Table 1. Bibliography of applications using peptide (micro)arrays for enzyme profiling and substrate identification. The table lists aim of the studies, screening molecules, detection methods, displayed peptide libraries, array preparation technologies, and each publication citation. Entries were arranged according to the enzymatic reaction and within each reaction type according to the year of publication. In the case of kinases entries were divided into subgroups. Aim Screening molecule Detection Library displayed on peptide array Techn ology Ref. PKA, TRI, TRII cytoplasmic domain 32P-ATP and phosphorimaging Combinatorial peptide library SODA (1) PKC, PKA, CK1 and CK2 32P-ATP and phosphorimaging SPOT (2) Kinases: Substrate Identification Determination of substrate specificity Determination of substrate specificity X ≠ Ser, Thr, Cys 23 Mammalian PKC substrate peptides and aa replacements (P, K, L, E, A) Determination of substrate specificity ANPK 32P-ATP and phosphorimaging Kinase substrates known from literature SPOT (3) Substrate specificity determination PKA, PKG 32P-ATP and phosphorimaging Combinatorial peptide library and interative deconvolution SPOT (4) libraries: XXX12XXX, X = mixture of all 20 aa, 1,2 = individual aa Determination of substrate specificity Dyrk1A (R. norvegicus) and truncation variant 32P-ATP and phosphorimaging Dyrk1A substrate peptide RRRFRPASPLRGPPK and 300 aa substitutions SPOT (5) Determination of substrate specificity CDPK-1 (from maize seedlings) 32P-ATP and phosphorimaging Peptide LARLHSVRER, truncations and aa substitutions (L, A, R, E) SPOT (6) Determination of substrate specificity and inhibitor screen PKA and PKG 32P-ATP and phosphorimaging Combinatorial peptide libraries and interative deconvolution SPOT (7) libraries: XXX12XXX, XXXRK12X, XRKKK12X, 1RKKKKK2, LRKKKKKH12, 12LRKKKKKH, 1,2 = defined aa, X = mixture of all aa except Ser and Thr Determination of substrate specificity NEK6 wt and inactive variant 32P-ATP and phosphorimaging 710 peptides from annotated human phosphosites, DIPP (8) DIPP (9) substitutional analysis of GLAKSFGSPNRAY Determination of substrate specificity p60c-Src Fluorescein labelled anti-pTyr ab Combinatorial library, start: YIYGSFK, deletion library, Ala scan, positional scan and combinatorial library XXXXYXXXX, X ≠ Cys, Tyr Profiling of phosphospecific antibodies and detection of kinase substrates CK2 32P-ATP and phosphorimaging or fluorescein labelled anti-pTyr ab (Pt66, Sigma Aldrich), anti- pSer and pThr abs 2304 phosphorylated and non phosphorylated peptides from annotated human phosphosites for ab profiling and 11096 peptides covering the cytoplasmic domains of all human membran proteins and 700 biotinylated peptides for comparison of phosphorylation on microarrays and in solution DIPP (10) Determination of substrate specificity for substrate prediction Abl 32P-ATP and phosphorimaging 1433 Random sequences 13meric peptides with fixed tyrosine residue in the middle position DIPP (11) Determination of substrate specificity M.musculus and H.sapiens TSSK3 32P-ATP and phosphorimaging 200 Peptides DIPP (12) Determination of substrate specificity KPI-2 33P-ATP and phosphorimaging 1152 Kinase substrate peptides of mixed DIPP (13) species Substrate specificity determination and comparison Dyrk1A, Dyrk2, Dyrk4 33P-ATP and phosphorimaging 720 Peptides derived from human phosphosites DIPP (14) Determination of substrate specificity MELK 32P-ATP and phosphorimaging 192 Peptides comprising in vivo phosphorylation sites and peptides containing deletions or aa substitutions DIPP (15) Determination of substrate specificity Dbf1-Mob1 (S. cerevisiae) and inactive variant N305A 32P-ATP and phosphorimaging Oriented peptide library and interative deconvolution libraries, DIPP (16) DCSD (17) library: MAXXXXRXXSXXXXAK KK, proteome array containing 4400 GST proteins from S. cerevisiae and peptide microarray with 2296 annotated human phosphosites Kinase substrate screening Abl, Her2, VEGFR2/KDR Anti-pTyr ab (PY20, Exalpha Biologicals), sec. ab Cy3 labelled 10000 member PNA encoded peptide library: F-Q-AA4-AA3-Y-AA2AA1-Ile-Lys AA1, AA2, AA4: I, V, F, P, R, D-P, S, D-V AA3: I, V, A, P, R, K, -A, S, P Substrate specificity determination MPK1-3 (S. lycopersicum) and MPK6 (A. thaliana) 33P-ATP and phosphorimaging 976 Annotated kinase substrate consensus sites DIPP (18) Determination of substrate specificity Plk4/Sak (M. musculus) wt and inactive catalytic domain 32P-ATP and phosphorimaging DYDIPTTENLYFQ, substitutional analysis of MSYYHHHHHH, substitutional scan of RKKKSFYFKKHHH and KSFYFKKHHH and 32 peptides from proteins containing putative phosphorylation sites and variants of positive peptides SPOT (19) Determination of substrate specificity p60 c-Src, Abl and cytoplasmic domains of EphA4 32P-ATP and phosphorimaging Array containing 144 Tyr kinase substrate peptides, array containing all cytoplasmic Y ontaining motifs from 2chimaerin, claudin-4 and FGFR1 and array containing systematic aa substitutions of Dok6 Y220 and RasGAP Y386 derived peptides and multiple substitutions SPOT (20) Verification of the dual specificity of CK2 CK2, CK2 32P-ATP and phosphorimaging CK2 derived peptides and sequences based on S. cerevisiae Frp3 togehter with positional scan SPOT (21) Substrate specificity determination Protein kinase 7 (P. falciparum) 33P-ATP and phosphorimaging 1176 Kinase substrate peptides DIPP (22) Use of peptide arrays for prediction of kinase substrate specificities c-Raf, MAP3K8 33P-ATP and phosphorimaging 1176 Peptides containing human phosphorylation sites and second array containing 1024 peptides DIPP (23) Substrate identification FLT3, inactive FLT3 K644A PDGFR and inhibitors STI571, AG1269 32P-ATP and X-ray film imaging at –70 °C 384 Peptides derived from known phosphorylation sites DPCC (24) Substrate specificity determination p60c-Src, Abl, EGFR, JNK1, Erk2, p38, PKA Phos-tag-biotin followed by fluorescence labelled streptavidin, Cy5 labelled anti-pTyr ab > 290 Tyr containing peptides, > 1100 Ser or Thr containing peptides and new PKA substrates: RKRRGSLDESD, RKRRASLDESD, RKRRGSFDESD, RKRRASFDESD, TKRSGSVYEPL, GAQAASPAKGE, ALRRApSLGW, ALRRASLGW, ALRRAALGW DIPP (34) Analysis if PknB can phosphorylate human peptides and substrate PknB from S. aureus 33P-ATP and phosphorimaging 976 Disease related human kinase phosphorylation sites DIPP (26) specificity determination Determination of substrate specificity followed by p53 homology screen DAPK, Chk1 33P-ATP and phosphorimaging 192 Kinase peptide substrates DIPP (27) Substrate specificity determination PKA isoforms Tpk1 and Tpk2 from S. cerevisiae 33P-ATP and phosphorimaging SDLRRTS, LRRTSIIGTI, GRQRRLSSLSEF, QQTRRGSEDDTY, LRRASLG and aa substitutions SPOT (28) SPOT (29) Kinases: Identification of phosphorylation sites in substrate proteins Determination of Lyn Anti-pTyr ab (4G10, 23 PKC derived phosphorylation sites Upstate), HRP sec. peptides with central Tyr Ab in PKC residue 32P-ATP and Edman sequencing C-CAM-L derived peptides, Glu variants and Ala screen SPOT (30) Gsk-3 -1 stimulated Hela lysate 32P-ATP and phosphorimaging p65 peptide scan and systematic mutagenesis of Ser, Thr and Tyr to Ala SPOT (31) Detection of phoshorylation site in AKAP-Lbc PKA 32P-ATP and phosphorimaging 20mer peptides encompassing Cterminus of AKAP-Lbc SPOT (32) Determination of CK2 phosphorylation sites in SSRP1 CK2 32P-ATP and phosphorimaging SSRP1 derived peptides containing Ser or Thr and Ala variants SPOT (33) Identification of kinases responsible for identified phosphorylation sites PKA, Akt, PKC, PKC, PKC, CK2, p38, Erk1, Cdk5 32P-ATP and phosphorimaging 190 Peptides encompassing 95 phosphosites from MS analysis and control peptides DIPP (34) Phosphorylation site determination Recombinant human EphA4 receptor tyrosine kinase 33P-ATP and phosphorimaging Overlapping 13meric peptides corresponding to the juxtamembran region of hEphA4 SPOT (35) Phosphorylation site determination Recombinant human EphA4 receptor tyrosine kinase 33P-ATP and phosphorimaging Overlapping 13meric peptides corresponding to the juxtamembran region of hEphA4 SPOT (35) Determination of phosphorylation sites in large cell-cell adhesion molecule (CCAM-L) PKC Detection of phosphorylation sites on p65 (S. scrofa) Identification of the kinase responsible for T840 phosphorylation of GluR1 PKA, Akt1, PKC, PKC, PKC, PDK1, Cdk5, Raf1, p38, MEK1, Erk1, Erk2, Rsk2, JNK3, Gsk3, CaMK2, CK1, CK2, S6K, Rock2, TBK1, p60 c-Src, Fyn, Fes, Pyk2 32P-ATP and phosphorimaging NEAIRTSTLPRNSGA, NEAIRTSVLPRNSGA and peptides containing consensus phosphorylation sites DIPP (36) Validation of new c-Src substrates identified by mass spectrometry p60 c-Src 32P-ATP and phosphorimaging 312 Peptides encompassing all Tyr residues from 14 selected proteins and Phe variants DIPP (37) Phosphorylation site determination CaMK2 32P-ATP and phosphorimaging 23 Selected peptides covering Ets-2 Ser or T residues and positive control pp28 SPOT (38) Validation of kinase phosphorylation sites Plk1, Aurora A 32P-ATP and phosphorimaging 358 Identified spindle phosphorylation sites and VTELNDSRSECI and aa scan SPOT (39) Phosphorylation site determination PKA 32P-ATP and phosphorimaging 20mer peptides encompassing intracellular loop of rat cardiac Na+-Ca2+ exchanger NCX1, and substitution analysis of identified substrates SPOT (40) DIPP (41) Kinases: enzymatic activities in cell lysates and kinome profiling Comprehensive PKA, lysate of 192 Kinase peptide 33P-ATP and description of LPS and substrates phosphorimaging phosphorylation events unstimulated induced by LPS PBMCs, stimulation of PBMCs MAPK and inhibitors PD98059, SB203580 Analysis of kinase activities in cell lysate Lysates from M. musculus MAFs and M. musculus MLCECs ± BMK1 knockout 33P-ATP and phosphorimaging 1152 Kinase substrate peptides of mixed species DIPP (42) Fingerprinting effects of DEX on T- Lysate of anti-CD3 and anti-CD28 ab stimulated CD4+ 33P-ATP and phosphorimaging 1176 Peptides containing kinase substrate consensus DIPP (43) lymphocyte kinome cells treated ± DEX sequences Comparison of kinome profiles of Barrett’s esophagus, normal squamous esophagus and normal gastric cardia Tissue lysates 33P-ATP and phosphorimaging 1176 Kinase specific consensus sequences DIPP (44) Investigation of the effect of DEX on adipocyte and Tlymphocyte kinome Lysate of insulin stimulated 3T3 adipocytes treated ± DEX and lysate of anti-CD3 and anti-CD28 ab stimulated CD4+ cells treated ± DEX 33P-ATP and phosphorimaging 1176 Peptides containing kinase substrate consensus sequences DIPP (45) Detection of kinase activity in cell lysate PKA, PKC, MCF-7 lysate incubated ± Forskolin and H89 Biotinylated Phostag followed by DyLight 647 or Cy3 labelled antistreptavidin ab LRRAXLW, YIXGSFK, LRVQNXLRRRR, X = S, pS, T, pT, Y, F, A DIPP (46) Analysis of kinase activities in lysates Lysates from 2 and 5 weeks old A. thaliana and from P. syringae infected A. thaliana 33P-ATP and phosphorimaging 192 Kinase peptide substrates DIPP (47) Screening of renal kinase activities to identify kinases involved in angiotensin II dependent hypertensive renal damage Cortical tissue lysates from sprague dawley rats and Ren 2 rats treated ± ACEi 33P-ATP and phosphorimaging > 1100 Mammalian kinase substrate sequences DIPP (48) Tyrosin kinase profiling in zebrafish embryos Zebrafish embryo lysate (1 day post fertilisation) and knockdown of Src family kinases, Fyn, Yes and Wnt11, Fyn and Yes kinase Fluorescein labelled anti-pTyr ab (PY20, Exalpha Biologicals) 144 Tyr kinase substrate peptides DIPP (49) Tyrosine kinase profiling in zebrafish embryos Zebrafish embryo lysate 3 and 5 days post fertilisation Fluorescein labelled anti-pTyr ab (PY20, Exalpha Biologicals) 144 Tyr kinase substrate peptides DIPP (50) Determination of kinase activities in cell lysates to analyse phylogenetic relations of microarray phosphorylation patterns Lysates from P. pastoris, T. aestivum, C. albicans, A. thaliana, F. solani, D. melanogaster, H. sapiens, M. musculus, D. discoideum and 33P-ATP and phosphorimaging 1152 Kinase substrate peptides of mixed species DIPP (51) Effects of Pichinde virus infection on signalling pathways in C. porcellus macrophages Cytoplasmic macrophages extract after mild and lethal virus infection (P2, P18) 1d and 6d post infection 32P-ATP and phosphorimaging 1176 Peptides containing human in vivo phosphorylation sites DIPP (52) Phosphorylation profiling of A. thaliana proteins Cytosolic and nuclear extracts, cytosolic extracts after stress, SRPK4 (A. thaliana), MPK3 (A. thaliana) 32P-ATP and phosphorimaging 47 Peptides contaning known plant phosphorylation sites DIPP (53) Detection of kinase activities in cell lysates using SPR p60c-Src, PKA, EGFR, MAPKAPK-2, CaMK2, Akt, p38, JNK1, PKC, Erk2, PKC, Abl, InsR, Jak1, PKC and inhibitors SU6656, H-89 and A431 cell lysate ± NGF stimulation and SU6656 addition pTyr detection: anti-pTyr ab (Pt66, Sigma Aldrich) followed by SPR 26 Peptides containing kinase consensus motifs DIPP (54) Kinase profiling of virion components SARS coronavirus lysate 33P-ATP and phosphorimaging 1152 Kinase substrate peptides of mixed species DIPP (55) Fingerprinting of tyrosine kinase activities Lysates of NUP214-Abl and BCR-Abl expressing Ba/F3 cells incubated ± imatinib FITC labelled antipTyr ab (PY20, Exaplha Biologicals) 144 Tyr kinase substrate peptides DIPP (56) Fingerprinting of tyrosine kinase Lysates of human dermal FITC labelled anti- 144 Tyr kinase substrate DIPP (57) pSer/pThr detection: Phostag-biotin followed by streptavidin, anti-streptavidin ab and SPR activities microvascular endothelial cells and of hemangioma endothelia cells pTyr ab (PY20) peptides Analysis of the effect of aspirin and celecoxib on cancer kinome Lysates from colon cancer cell lines DLD1 and HT29 treated with aspirin or with celecoxib 33P-ATP and phosphorimaging 1176 Kinase substrate peptides DIPP (58) Fingerprinting of tyrosine kinase activities Lysates of androgensensitive prostate carcinoma cell line LNCaP FITC labelled antipTyr ab (PY20, Exaplha Biologicals) 144 Tyr kinase substrate peptides DIPP (59) Analysis of the postsynaptic phosphoproteome PKA, CaMK2, Erk2, Rock2, Gsk3, Fes, JNK3, Akt1, PKC, PKC, PKC, p70S6, Rsk2, Erk1, Cdk5, p38, CK1, CK2, c-Raf, MEK1, PDK1, TBK1, Fyn, Pyk2 32P-ATP and phosphorimaging 600 Peptides corresponding to 300 M. musculus in vivo phosphorylation sites in 92 synaptic proteins together with A, V or F variants of the S, T and Y residues and additional peptides containing kinase consensus motifs and a priming array containing 200 peptides from multiple phosphorylated sequences togehter with A, V or F variants of the S, T and Y residues and pS, pT and pY substitutions DIPP (60) Kinome profiling for putative target detection and analysis of differences in primary and metastatic UM lysates Chondrosarcoma lysates from 9 primary cell lines and OUMS27, CH2879, SW1353 and C3842 cell lines and lysates from 2 MSC cultures and 5 colorectal carcinoma cell lines and inhibitors PP1, PP2 and PP3 and Mel270 cell lysate treated 33P-ATP and phosphorimaging 1024 Kinase substrate peptides DIPP (61) ± p60 c-Src siRNA Investigation of the role of phosphorylation in plant sugar response Lysates from A. thaliana treated with water, sorbitol, glucose or sucrose 32P-ATP and phosphorimaging 1176 and 1024 Kinase substrate peptides DIPP (62) Tyrosine kinome profiling Uveal melanoma (UM) cell lysates: 8 primary UM, 3 UM metastases, 3 fresh UM samples and 3 liver metastases FITC labelled antipTyr (PY20, Exalpha Biologicals) 144 Tyr kinase substrate peptides DIPP (63) Kinome profiling Lysates from A. thaliana fed sucrose or sorbitol 32P-ATP and phosphorimaging 960 Kinase consensus sequences selected for their importance in mammalian signal transduction and 1152 kinase substrate peptides of mixed species DIPP (64) Detection of kinase activities in cell lysates p60 c-Src, cytoslic and membrane fraction of MCF-7 lysates, inhibitors PP2 and SU6656,, NGF, CHO and A431 lysates and lysates from M. musculus brain and skin Cy5 anti-pTyr ab 840 Peptides DIPP (65) Kinome profiling for the detection of aberrant kinase activities in neoplastic tissues 29 pediatric brain tissue lysates and lysates from Wilms’ tumors, colon carcinomas, normal kidney and normal colon Fluorescein labelled anti-pTyr ab (PY20, Exalpha Biologicals) 144 Tyr kinase substrate peptides DIPP (66) Kinome analysis of monocytes Lysates of monocytes from B. taurus treated ± LPS 32P-ATP and phosphorimaging 298 Peptides containing proposed B. taurus phosphorylation sites togehter with 2 negative and 7 positive controls DIPP (67) Fingerprinting tyrosine kinase avtivities Lysates of leukemia samples FITC labelled antipTyr ab 144 Tyr kinase substrate peptides DIPP (68) Kinome profiling and B-cell lysates from 88 Systemic 33P-ATP and 1024 Kinase substrate DIPP (69) biomarker identification Lupus Erythematosus patents and from 72 healthy controls phosphorimaging peptides Kinome profiling of osteoblast adhesion MC3T3-E1 cell lysate 2h after adhesion substrate subjection and control 33P-ATP and phosphorimaging 1024 Kinase substrate peptides DIPP (70) Kinome profiling of myxoid liposarcoma Lysates of two myxoid liposarcoma cell lines and primary 33P-ATP and phosphorimaging 1024 Kinase substrate peptides DIPP (71) cultures of four myxoid liposarcomas Screening of kinase activities in response to Jasmonate and salicylate treatment Lysates of A. thaliana incubated with jasmonic acid and/or salicylic acid 33P-ATP and phosphorimaging 1178 Kinase substrate peptides of mixed species DIPP (72) Tumor kinase profiling to predict chemotherapy response Biopsy lysates from rectal cancer patients ± sunitinib Fluorescentlylabelled Anti-pTyr ab 144 Tyr kinase substrate peptides DIPP (73) Fingerprinting tyrosine kinase avtivities Lysates from 4 different cell lines and their matching phosphatase and tensin homolog (PTEN) knockdown sublines Fluorescentlylabelled Anti-pTyr ab 144 Tyr kinase substrate peptides DIPP (74) Fingerprinting tyrosine kinase avtivities Lysates from paediatric brain tumor tissue Fluorescentlylabelled Anti-pTyr ab 144 Tyr kinase substrate peptides DIPP (75) Combinatorial peptide library and interative deconvolution SPOT (76) Kinases: inhibitor identification and characterization Identification of Enzyme I of the 32Ppeptides that inhibit bacterial phosphoenolpyruva enzyme I of the phosphotransferas te and bacterial e system phosphorimaging phosphotransferase system libraries: XXXXXB1HB2XXXXX, XXXXB1HB2XXXX, XXXXXB1CB2XXXXX B = defined, X = randomized Identification of peptidic inhibitors c-GMP dependent kinase 32P- autophosphorylated PKG and phosphorimaging Combinatorial peptide library and interative deconvolution SPOT (77) libraries: XXX12XXX, XXXRK12X, XRKKK12X, 1RKKKKKH12, 12LRKKKKKH 1,2 = defined aa, X = mixture of all aa except Ser, Thr and Ala screening of selected peptides Determination of Ki values for inhibitors p60c-Src and inhibitors quercetin, tyrphostin, A47 and PP1 33P-ATP and surface plasmon resonance (antipTyr ab, BD biosciences) YGEFKKK, FGEFKKK, pYGEFKKK, YAAPKKK, LRRASLG DIPP (78) Investigation of signalling pathways influenced by spongistatin 1 HUVEC lysate treated ± spongistatin 1, combretastatin A4 phosphate or vinblastine 33P-ATP and phosphorimaging 1152 Kinase substrate peptides of mixed species DIPP (79) Prediction of kinase inhibitor resistance in tumors – profiling of repsonse to MTKI of 27 cell lysates to identify signature peptides HT29 lysate transfected with p60 c-Src construct or empty vector incubated ± PP2 or JNJ-26483327 (=MTKI), HCT116 and SKOV-3 lysate with p60 cSrc siRNA, KatoII,SNU-5, MKN45, NSCLC.H441, NCI-N87, SNU484, NSCLCH322 and Caco2 lysates incubated ± JNJ-38877605, FITC labelled antipTyr ab (PY20, Exaplha Biologicals) 144 Tyr kinase substrate peptides DIPP (80) EGF stimulated lysates and lysates from 8 xenograft tumors incubated ± MTKI Analysis of a putative kinase inhibitor Mesenchymal stem cell lysates incubated ± inhibitor PTK787/ZK22258 4 33P-ATP and phosphorimaging 1152 Kinase substrate peptides of mixed species, 12 control peptides DIPP (81) Analysis of the effect of Pazopanib and Lapatinib on A549 kinome A549 cell lysates treated ± Pazopanib or Lapatinib or both HRP conjugate anti-pTyr ab (R&D Systems) 384 Peptides derived from known phosphorylation sites DPCC (82) Effects of antiCD45RB ab on CD45 activity PBMC lysates after incubation with anti-CD45RB ab 33P-ATP and phosphorimaging 1176 Mammalian in vivo kinase consensus peptides DIPP (83) Hydrogel based microarray for assessment of EGFR activity and sensitivity to inhibitors in cell lysates of drug resistant tumors Lysates from NCIH23, NCI-H1650, PC9, H1650-ER, PC9-GR and K562 lysates and inhibitors erlotinib, gefitinib, CL387,785, BIBW2992, CI-1033, PKI-166 Anti-pTyr ab (4610 Upstate), sec. ab HRP labelled AEEEEYFELVAKKK Diff (84) Identification of signalling pathways influenced by flavopiridol HUVEC lysate treated with TNF ± kinase inhibitor flavopiridol 33P-ATP and phosphorimaging 1152 Kinase substrate peptides of mixed species DIPP (85) 32P-ATP and phosphorimaging Combinatorial peptide library and iterative deconvolution: XXX12XXX SPOT (86) SPOT (87) Kinases: assay development/optimization Method for substrate PKA, PKG specificity determination using peptide libraries X = mixture of all 20 aa, 1,2 = individual aa and peptides with different length and Ala or D-Ala variants as putative inhibitors Kinase assay on PKA, PKC, CK1, 32P-ATP and Kinase substrate peptides: RRASVA, cellulose membranes CK2 phosphorimaging QKRPSQRAKYL, DDDDEESITRR, DDDSDDDAAA and Ser to Ala variants, PKA substrates with altering length: AAAARASVA, AARRASVA, RRASVA, RRASVAAA, RRASVAAAAA, RRASCAAAAAA and 9 PKA substrate peptides: LRRASVA, LRRASLG, RRASVA, LRKASLG, LHRASLG, LRHASLG, LKRASLG, LARASLG, LRAASLG Method for substrate specificity determination using peptide libraries PKA 32P-ATP and phosphorimaging Combinatorial peptide library and interative deconvolution SPOT (88) libraries: XXX12XXX, X = mixture of all 20 aa, 1,2 = individual aa Demonstration of applications for protein and peptide microarrays p42 MAPK, PKA, CK2 33P-ATP and phosphorimaging Kemptide, Elk1, protein kinase inhibitor 2 DIPP (89) Demonstration of versatility of peptide arrays for functional assays p60c-Src 33P-ATP and phosphorimaging EEIYGEFF DIPP (90) Development of an antibody based method to detect kinase activity p60c-Src, PKA FITC-labelled phospho-specific abs YIYGSFK, ALRRASLG, YIYGpSFK, ALRRApSLG DIPP (91) Method for detection of weakly interacting protein-protein motifs using paired peptides Erk2 Anti-pElk1 (S383, NEB) ab, HRP labelled sec. Ab KGRKPRDLELP, FWSTLSPIAPR, MNGGAANGRIL SPOT (92) Validation of phosphospecific dye on solid supports Abl ATP or -thio-ATP. Phosphorylation was detected with Pro-Q Diamond dye or thiophosphorylation was detected with thiolreactive Kemptide, Abl tyrosine kinase peptide and Ca2+/calmodulin kinase substrate (glycogen synthase 1-10) in 15 different dilutions on polyacrylamide coated CLPP (93) BODIPY 630/650 methyl bromide reagent slides Method for fluorescence detection of phosphorylation on peptide microarrays Abl, PKA ProQ Diamond (Invitrogen) Abl peptide, CaMK2 peptide, Kemptide DIPP (94) Different methods on peptide arrays for kinase research PKA, CK2, Gsk3, PDK1, Tie2 32P-ATP and phosphorimaging 3 Arrays containing either 710 human phosphorylation sites or 2234 peptides ± priming phosphorylations or 1394 kinase activation loop derived peptides and peptides covering the cytoplasmic domain of Tie2 as overlapping peptide scan DIPP (95) Method to evaluate kinase activities on peptide microarrays using MALDI-TOF/MS p60c-Src, PKA, PKG, CaMK2, CKI, Abl, Erk MALDI-TOF/MS IYGEFKKKC, LRRASLGC, RKRSRAEC, KRQQSFDLFGC, CKRRALpSVASLPGL, IYAAPKKKL, TGPLSPGPFGC DIPP (96) inhibitors Assay to detect phosphorylation using gold nanoparticle probes PKA and inhibitor H89 Biotin-ATP followed by avidin stabilized gold particles, silver enhancement and resonance light scattering LRRASLG, LRRAGLG DIPP (97) Development of a microarray based multi analyte assay which allows incubation with different enzymes in one experiment Abl, p60 c-Src, CK1, Erk1, PKA, PKC, PKG and inhibitors Gleevec, Gö6850 and lysate from K562 cells that overexpress BcrAbl ± Gleevec, peroxide vanadate and calynuclin A treatment MALDI-TOF/MS AIYAAPFKKGC, EEIYGEFE, AKKKC, CKRRALpSVASLPGL, TGPLSPGPFGC, LRRASLGC, AKIQASFRGHMARKKG C, RKRSRAEC, AIpYAAPFKKGC, LRRApSLGC DIPP (98) Method for detection of phosphorylation on peptide microarrays PKA 32P-ATP or biotinylated Zn2+ chelate compound followed by streptavidin and SPR, anti-pSer CGGLRRASLG, Ala substitution and Ser phosphorylated, CGIYGEFKKK and Tyr phosphorylated DIPP (99) (PSR-45, Sigma Aldrich) or anti-pTyr (PT-66, Sigma Aldrich) ab followed by SPR Kinase inhibition assay using sol-gel derived multicomponent microarray PKA and inhibitors H7, H89 ProQ Diamond (Invitrogen) Kemptide Diff (100) Method for screening of kinase – chemical interaction using aerosol deposition of nanodroplets containing the biologically active compound p60c-Src, B-Raf (V599E), KDR, Met, Flt3 (D835Y), Lyn, EGFR, PDGFR, Tie2 and inhibitors staurosporine, PP2, GW5074, KDRI and PDGRF 1-1 Anti-pTyr ab (pTyr100, Cell signalling), sec. Alexa 555 ab Poly(E4-Y)10 peptide DIPP & SPNS (101) Microfluidic peptide microarray applications PKA ProQ Diamond (Invitrogen) R(R/K)XSLG, X = any aa and pY, A and F variants of S LDPS (102) Method for employing kinase inhibition based on labelling phopshorylation events using nanogold particles PKA and Biotin-ATP, detection using avidin stabilized gold nanoparticles followed by silver enhancement and resonance light scattering LRRASLG, LRRAGLG DIPP (103) Solution phase kinase assay CK1, Plk3, Akt1, SGK1, PKC, PKCz, PKA, Aurora A, Aurora B, Chk2, CaMK2, MK2, Chk1, Cdk2, Cdk5, p38, CK2, Abl, Lck, p60c-Src, EphB2, VEGFR2, Kit, Flt3, Jak2, EGFR and inhibitors PKI, SrcI, TBB, staurosporine Fluoresceinylglycin e amide followed by anti-fluorescein ab (Roche), biotinylated sec. ab and strepatavidinAlexa555 or antipTyr-biotin ab (Invitrogen) followed by streptavidin phycoerythrin 900 Peptide substrates encoded by an oligonucleotide sequence composed of annotated kinase substrate sequences and random sequences DCSD (104) Fluorescence based assay for phosphorylation detection PKA, Akt1 and inhibitor staurosporine -elimination followed by Michael addition of thiol containing RPRAASF, LRRASLG SPOT (105) PKA inhibitors H89, HA1077, KN62, mallotoxin tetramethylrhodami ne Protocol for phosphorylation site determination Different human kinases 33P-ATP and phosphorimaging or ProQ Diamond followed by fluorescence reading 3280 Peptides covering all human peptidylprolyl-cis/transisomerases and 17181 peptides covering the CMV proteome DIPP (106) Protocol for kinome profiling using plant tissues, biopsies, cells and purified kinases Plant tissues lysates, biopsie lysates, cells lysate and purified kinases 33P-ATP and phosphorimaging 1176 Kinase substrate peptides from different organisms and a second arrays contaning 1024 in vivo phosphorylation sites DIPP (107) Kinetic studies of PKA catalyzed phosphorylation in real time on a peptide array PKA and inhibitors staurosporine, AMP-PNP and PKA inhibitor peptide Anti-phospho ab, sec. fluorescently labelled ab allowing real time detection of fluorescence using a CCD camera 140 Peptides derived from human phosphorylation sites together with 4 phosphopeptides and detailed phosphorylation analysis of the peptide EILSRRPSYRKIL and kinetic analysis of CREB peptide and Kemptide (LRRASLG) DIPP (108) Assay to identify bisubstrate inhibitors PKC, Anti-pSer, anti-pThr ab (Cell signalling #2351, 9611, 9391), sec. ab FITC labelled 144 Ser/Thr Kinase substrate peptides DIPP (109) Kinase assay using Raman spectroscopy and gold nanoparticle probes PKA and inhibitors H89, HA1077, KN62 Biotinylated antipSer ab (Sigma Aldrich) followed by gold nanoparticles and silver enhancement CGGALRRASLG, CGGALRRAGLG DIPP (110) Assay for the development of a depigmenting assay PKC and inhibitors TMP and bisindoylmaleimid e Anti-pSer/pThr ab, sec. ab Cy5 labelled 30- and 10-meric Peptides as MBP fusion protein derived from tyrosinase Diff (111) Protocol for measurement of kinase activities in cell lysates A431 lysates ± SU6656 incubation, HepG2 lysates and lysates from M. musculus tumors after A431 cell Phos-tag-biotin followed by Dylight 649 conjugated streptavidin or Cy5 labelled anti-pTyr ab (Amersham) Array containing 804 peptides and second array containing peptides EEIpYGEFD, EEIYGEFD, EEIFGEFD DIPP (112) inoculation Protocol for determination of kinase activities in cell lysates HEK293 lysate ProQ Diamond (Invitrogen) 4198 Peptides representing overlapping peptide scans covering all human peptidylprolyl-cis/transisomerases Kinases: peptide immobilization and array fabrication optimization Development of p60c-Src, PKA FITC-labelled YIYGSFK, ALRRASLG, approaches for site phospho-specific KGTGYIKTG, specific immobilisation abs YIYGpSFK, of peptides ALRRApSLG, KGTGpYIKTG DIPP (113) DIPP (114) Review: peptide array applications c-Abl 32P-ATP or fluorescencelabelled anti-pTyr ab (PY20) 720 peptides from annotated human phosphosites DIPP (115) Immobilization strategies for peptides on peptide microarrays PKA, p60c-Src FITC-anti-pTyr and FITC anti-pSer ab (Sigma Aldrich) YIYGSFK, ALRRASLG DIPP (116) Development of an oriented peptide library approach PKA, Cdc15 (S. cerevisiae), ab MPM2, 3F3/2 and PY20 ab 33P-ATP, antiHRP sec. Ab Binding libraries: AXXXXpS/pTXXXXA, AXXXXpYXXXXA, AXXXXXpS/pTQDPFXX A, X ≠ Cys SPOT (117) Kinase library: AXXXXXS/TXXXXA, X ≠ Ser, Thr, Cys Strategy for making peptide arrays using protein-peptide fusions Abl, PKA Cy3/Cy5 labelled anti-pSer and pTyr ab (Sigma Aldrich) Leptin-Kemptide, malic enzyme-Kemptide, Leptin-Abl peptide, malic enzyme-Abl peptide DIPP (118) Immobilization using poly(dT)-modified peptides p60c-Src,PKA and inhibitor AG213 Anti-p-GFAP ab (YC10 Medical and Biochemical Laboratories) and anti-pTyr ab (PY20, Exalpha Biologicals) IYGEFKKK, IAGEFKKK, RRRVTSAARRS, RRRVTAAARRS DIPP (119) Assay for phosphorylation site detection using gold nanoparticle based electrochemical p60 c-Src, PKA and inhibitors ellagic acid, PP2, PP3, genistein, herbimycin A Biotin-ATP followed by streptavidin coated gold nanoparticles and electrochemical Raytide, Kemptide DIPP (120) detection detection Optimized surface chemistry for peptide immobilisation for phosphorylation analysis using different linker moieties p60c-Src, PKA 33P-ATP or SPR imaging using Zn2+ chelate compound CGIYGEFKKK, CGGLRRASLG and modifications DIPP (121) Microarray assembly by accoustic dispensing Pim1 and inhibitor hb1277 32P-ATP and phosphorimaging KKRNRTLTK SPNS (122) Regeneration of phosphorylated SPOT membranes Potato acid phosphatase 32P-ATP and phosphorimaging Kinase substrate peptides: RRASVA, QKRPSQRAKYL, DDDDEESITRR, DDDSDDDAAA and S to A variants, PKA substrates with altering length: AAAARASVA, AARRASVA, RRASVA, RRASVAAA, RRASVAAAAA, RRASCAAAAAA and 9 PKA substrate peptides: LRRASVA, LRRASLG, RRASVA, LRKASLG, LHRASLG, LRHASLG, LKRASLG, LARASLG, LRAASLG SPOT (87) PTP substrate specificity determination PTP1B, PTP, Anti-pTyr ab mixture (4G10, upstate, PY20 and PY69, Transduction Laboratories, pTyr100, Biolabs), HRP sec. Ab AABX1pYX2BAAA, B = mixture of all 20 aa, X1, X2 = individual aa, Tie2 peptides VFSKYpYTPVLA, VFSKYpYpTPVLA, STAT5 peptide MAIESLNYSVYTTNS and pY, pS, pT variants and IR autophosphorylation sequence with all combinations of pY SPOT (123) Substrate identification GST-fusion of substrate-trapping mutants of PTPH1, TCPTP, SAP1, and PTP-1B Radioisotopic labelling of GSTfusion proteins by PKA mediated phosphorylation followed by 7 Peptides derived from cytoplasmic region of GHR in nonphosphorylated and tyrosine phosphorylated form SPOT (124) Phosphatases phosphorimaging Method for detecting weakly interacting protein-protein motifs using paired peptides PTP1B Anti-pTyr ab (Upstate), HRP sec. Ab IR autophosphorylation site IYETDYpYRKGG and overlapping peptides covering the cytoplasmic sequence of IR SPOT (92) Protocol for SPOT applications for PTPs PTP1B Anti-pTyr ab mixture (4G10, upstate, PY20 and PY69, Transduction Laboratories, pTyr100, Biolabs), HRP sec. Ab IR peptide MTRDIYETDYYRKGG and pY substitutions and SPOT double synthesis covering the cytoplasmic IR domain as overlapping peptide scan togehter with the IR autophosphorylation peptide IYETDpYRKGG SPOT (125) Phosphatase profiling using cell lysates K562 cell lysates treated ± Gleevec, peroxide vanadate, calynulin A MALDI-TOF/MS AIYAAPFKKGC, EEIYGEFEAKKKC, CKRRALpSVASLPGL, AIpYAAPFKKGC, LRRApSLGC DIPP (98) Construction of pTyr microarrays for phosphatase specificity determination PTP1B, PTPµ Fluorescence imaging subsequent to treatment with Cy5 labelled anti-pTyr ab 48 pTyr-containing peptides DIPP (126) Assay for substrate specificity determination Lambda Phosphatase, AP, PP1, PP2B, PP2A ± Pin1 ProQ Diamond (Invitrogen) 87 phosphopeptides derived from know phosphorylation sites DIPP (127) Peptide immobilization by click sulfonamide reaction PTP1B Anti-biotin-strepCy5 PDVLEYpYKNEHAK, RDINSLpYEVSRMY DIPP (128) Effects of antiCD45RB ab on CD45 activity PBMC lysates after incubation with anti-CD45RB ab 33P-ATP and phosphorimaging 1176 Mammalian in vivo kinase consensus peptides DIPP (83) Identification of physiological subtrates GST-fusion of substrate-trapping mutant of human Density-Enhanced Phosphatase (CD148) Fluorescence imaging subsequent to incubation with Cy5 labelled anti-GST ab 6057 pTyr-containing peptides derived from human phosphorylation sites and 343 controls DIPP (129) Substrate specificity determination, identification of specific substrates by dualcolor readout Cy3 or Cy5 labelled substratetrapping mutants of PTP-1B, TCPTP, SHP-1, SHP-2, and LMWPTP Fluorescence imaging 144 Putative Tyr phosphatase peptide substrates DIPP (130) Substrate specificity determination PTP1B, TCPTP, SHP1, SHP2, SHP1 and SHP2 catalytic domain, LMWPTP ProQ Diamond (Invitrogen) 144 Putative Tyr phosphatase peptide substrates DIPP (131) Identification of physiological subtrates GST-fusion of substrate-trapping mutant of human PTP-1B Fluorescence imaging subsequent to incubation with Cy5 labelled anti-GST ab 6057 pTyr-containing peptides derived from human phosphorylation sites and 343 controls DIPP (132) Lysin Methyl-Transferases (PKMTs) Determination of the contribution of aa for substrate recognition G9a 3H-AdoMet and tritiumimaging Substitutional analysis of a peptide covering the first 21 aa of H3 (all 20 aa and modified aa) and 45 peptides from putative new substrate proteins SPOT (133) Substrate specificity determination Dim-5 (N. crassa) 3H-AdoMet and tritiumimaging Overlapping peptide scan of the first 21 aa of H3 and K9A variant and substitutional analysis SPOT (134) Substrate specificity determination and identification of novel in vivo substrates Set7/9 3H-AdoMet - 420 peptides representing substitutional analysis of histone H3 tail 1-21 SPOT (135) and tritiumimaging & DPCC - 133 predicted peptides derived from 118 different proteins - 216 peptides derived from histone H3 featuring 18 different posttranslational modifications Peptidyl-Prolyl-cis/trans-Isomerases Identification of Human Pin1 Sequential electroblotting to PVDF- Peptide scan of human Cdc25C including SPOT (136) substrates membranes, incubation of PVDV-membranes with anti-Pin1 ab followed by secondary ab phosphorylated S/T-P moieties Determination of substrate specificity Trigger factor (TF) (E. coli) and TFfragments Sequential electroblotting to PVDFmembranes, incubation of PVDV-membranes with anti-TF ab followed by fluorescence labelled secondary ab Peptide scans (13meric peptides overlapping by 10 residues) of E. coli proteins: elongation factor Tu, methionine biosynthesis enzyme, isocitrate dehydrogenase, glutamine-tRNAsynthetase, alkaline phosphatase, galactosidase, galactose binding protein), L2 (a ribosomal protein), lambda cI, pro-outer membrane protein A, sigma 32, SecA, dehydrofolate reductase and yeast cytochrome B2, F1- and Su9ATPase subunits, Photinus pyralis luciferase, RNaseT1 from Aspergillus oryzae and human PrP (prion protein) SPOT (137) Determination of substrate specificity Trigger factor and DnaK (E. coli) Sequential electroblotting to PVDFmembranes, incubation of PVDV-membranes with anti-TF ab followed by fluorescence labelled secondary ab Peptide scans (13meric peptides overlapping by 10 residues) of E. coli proteins: elongation factor Tu, methionine biosynthesis enzyme, isocitrate dehydrogenase, glutamine-tRNAsynthetase SPOT (138) Identification of Pin1 inhibitors Catalytic domain of human Pin1 Sequential electroblotting to PVDFmembranes, incubation of PVDV-membranes with anti-Pin1 ab followed by secondary ab 1000 pentapeptides of general structure AcXaa-pThr-Yaa-ZaaGln(linker) with Xaa and Zaa = Phe, Abz, Bip, Bth, Cha, Dbg, Nal, tBuGly, tBuPhe, Thi SPOT (139) Yaa = MeAla, MePhe, Pip, Pia, 4Pip, Thz, Tic, Pro, Acc, Amb (all possible combinations) Identification of substrates Human Pin1 ProQ Diamond subsequent to phosphatase treatment 87 phosphopeptides derived from know phosphorylation sites DIPP (127) Arginin Methyl-transferases (RMTs) Substrate screening RMT1, CARM1 3H-AdoMet and tritiumimaging 36 PABP1 and H3 derived peptides containing central Arg SPOT (140) Solution phase assay with tagged substrates allowing selective capturing Protein arginine methyl-transferase 1 (RMT1) MALDI-TOF/MS GGRGGFGC DIPP (141) Consensus motif determination Sumo1 and Hela cell lysate Anti-Sumo1 ab followed by IgG biotin and antistreptavidin-HRP ab 10 RanGAP1 derived peptides containing Sumo consensus motifs and control peptides containing R instead of K for assay optimization, peptides covering 11 Sumo targets and negative control and array containing 640 peptide library for consensus motif determination DIPP & Diff (142) Determination of SUMOylation sites SUMO kit (Biomol) Anti-Sumo1 ab Overlapping peptide scan of PDE4B2, C2, A4, D5 and alanine scan of putative PDE4D5 sites SPOT (143) Ubiquitination kit (Biomol) Anti-ubiquitin ab Overlapping PDE4D5 peptide scan, 6 arrestin 2 derived peptides SPOT (144) ppGalNACT isoform T2 MALDI-TOF/MS GAGAPGPTPGPAGAG K, GAGAPGPSPGPAGAG K, GAPGPTPGPAGK, AcPTPGPAGK, DIPP (145) SUMO-Transferases Ubiquitin-Transferases Determination of ubiquitinylation target sites Glycosyl-transferases Assay for monitoring O-glycosylation GAPGSTAPPAGK, GAHGVTSAPAGK, GAAPDTRPAAGK, YSPTSPSKR, PTTDSTTPAPTTK, DDSIEGSGGR O-glycopeptide library production for disease associated autoantibody screening and substrate specificity comparison GalNAc-T1 and T2 MALDI-TOF/MS, lectin reactivity and mabs 5E5 and 2D9 VTSAPDTRPAPGSTAP PAHG ± GalNAc, PTTTPITTTTTTVTPTPT GTQTPTTTPISTTC, CPPTPSATTPAPPSSS APPETTAA, LSESTTQLPGGGPGCA , MEELGMAPALQPTQG AMPAF, PRFQDSSSSKAPPPSL PSPSPLPG, WKFEHCNFNDYTTRLR ENEL DIPP (146) Glycosylation of printed peptides for peptide diversification for mapping of glycopeptide specific abs GalNAc-T2 and T4 MALDI-TOF/MS Peptides derived from M. musculus podoplanin DIPP (147) Histone Deacetylases (HDACs), Sirtuins (Sirts), ADP-Ribosyl-transferases (ARTs) Detection of ADPribosylation sites pertussis toxin (B. pertussis) 32P NAD+ and phosphorimaging 5- to 25-mer C-terminal peptides of the GProtein -subunits of Gi3, Gi, Gs, Go1, Go2, GoX1, Trod, Gz, Gq/11 and Gh, partial substitutional analysis of the 16-mer C-terminal peptide of the Gi3 -subunit SPOT (148) Determination of substrate specificity Pea HDAC complexes HD1 and HD2 (P. sativum) Free amino groups generated by HDAC action were chemically acetylated, detection of 14Clabelled acetyl residues by autoradiography Overlapping peptides containing KAc from histones H3 and H4 SPOT (149) Analysis of the influence of local and distal substrate HDAC8 MALDI-TOF/MS (SAMDI assay) Peptides derived from the first 19 aa of H4: truncated peptides, R DIPP (150) substitutions, KAc and methylated variants, deletion and extensions variants and substitutions sequences on activity Assay for HDAC profiling HDAC1-3, HDAC8 and HDAC3 togehter with SMRT MALDI-TOF/MS (SAMDI assay) 361 Member acetylated peptide library: GXKAcZGC, X, Z ≠ Cys DIPP (151) Detection of ADPribosylation sites SIR2 (T. brucei) 32P NAD+ and phosphorimaging Overlapping peptide scan of B. taurus H1.1 DIPP (152) Substrate specificity determination and identification of novel in vivo substrates Human Sirt3 Anti-Sirt3 ab followed by HRPconjugated secondary anti-IgG ab 229 Peptides derived from known acetylation sites and 300 lysinecentered 9meric peptides randomly selected from mitochondrial proteome SPOT (153) Substrate specificity determination and identification of isoform specific substrates HDAC8, Sirt1, HDAC2, HDAC3/SMRT, Hela Jurkat and smooth muscle cell lysate and nuclear Hela lysates treated ± thymidine and nocodazole MALDI-TOF/MS (SAMDI assay) 361 Peptides GRKAcXZC, X, Z ≠ Cys and 54 peptides to investigate the function of the Arg residue Nterminally to KAc DIPP (154) Identification of in vivo substrates Human Sirt3 Anti-Sirt3 ab followed by HRPconjugated secondary anti-IgG ab 240 peptides derived from known mitochondrial acetylation sites SPOT (155) Substrate specificity determination Chymotrypsin, papain Fluorescence of released FITClabelled peptide fragment 400 dipeptides Identification of key residues in protease inhibitors Pancreatic elastase (S. scrofa) and third domain of turkey ovomucoid inhibitor (OMTKY3) Chemoluminescenc e mediated by POD fused to protease Substitutional scan of 3 OMTKY3 derived peptides, substitutional analysis and length scan Proteases SPOT SPOT (156) (157) Substrate specificity determination Outer membrane protease T (OmpT) (E.coli), trypsin Fluorescence increase by clavage of internally queched Dap(Dnp)/Abz peptides Library screen: AGXA, P2RRA, AP1RA, ARP-1A, ARRP-2 Identification of protease inhibitors Cathepsin C, cathepsin L Fluorescence imaging of fluorescein labelled PNA-peptide conjugates Putative Cys protease inhibitors fused to PNA derivatives Identification of proteases responsible for transferrin receptor cleavage Purified proteases A80 and A85 (cathepsin G, neutrophil elastase) ± anti neutrophil elastase ab (AHN10) and inhibitors prefabloc SC, aprotinin, elastatinal, E64, phosphoramidon, pepstatin A, EDTA, DMSO Protease SPOT assay – Fluorescence of released Abzlabelled peptide fragment 19 Transferrin receptor derived peptides and substitutions Assay for monitoring of proteolytic activity Caspase 3, Jurkat cell lysate ± granzyme B and inhibitors Fluorescence imaging of fluorescein labelled PNA-peptide conjugates 7 Peptidic acrylates as protease inhibitors fused to PNA derivatives Substrate cleavage site determination Serine protease DegP (E.coli) Protease SPOT assay – Fluorescence of released Abzlabelled peptide fragment Overlapping peptide scans of PapA Determination of substrate specificity Trypsin, gramzyme B, thrombin Fluorescence increase of deacylated aminocoumarine derivative Ac-Leu-Gly-Pro-LysACC-linker, Ac-Nle-ThrPro-Lys-ACC-linker, and Ac-Ile-Glu-Pro-AspACC-linker or 361member library of general structure Ac-AlaXaa1-Xaa2-Lys-ACClinker with Xaa1=Xaa2= all proteinogenic amino acids except cysteine) SPOT DCSD SPOT DCSD SPOT DIPP (158) (159) (160) (161) (162) (163) Protease assay using microarrays containing glycerol nanodroplets and aerosol deposited substances Thrombin, chymotrypsin and caspase 2 ± corresponding CHO-inhibitors, thrombin ± benzamidine, plasminogen activator, urokinase, factor Xa, plasmin, kallikrein and caspases 2, 4, 6 for compound library incubation ± VEID-MCA or LEHD-MCA Fluorescence of released methoxycoumarylamine Boc-VPR-MCA and 2 BODIPY labelled casein substrates, peptide-MCA substrates: VEID, LEHD, YVAD, DEVD, VDVAD, IETD and 352 compound library Method for solutionbased screening of protease substrate specificity Caspase 3, thrombin, plasmin and apoptotic and non apoptotic cell lysate Fluorescence imaging, rhodamine-labelled protease substrate linked to PNA, NleTRP, DEVD and 192 member split and mix tetrapeptide library: R1R2R3R4, R1 = D, R, L, R2 = F, V, T, P, R3 = D, R, T, P, R4 = D, R, P, Nle, spatial deconvolution by oligopeptide microarray hybridization Protease activity measurement using semi-wet supramolecular hydrogel Lysyl endopeptidase, chymotrypsin, V8 protease and inhibitors Fluorescence increase of released DANSyl derivative SSSSK-linker-DANSyl, SSSSE-linker-DANSyl, DANSyl-FKSSKS Determination of substrate requirements and development of a hK2 avtivated prodrug for prostate cancer therapy Glandular kallikrein 2 (hK2), trypsin Protease SPOT assay – Fluorescence of released Abzlabelled peptide fragment Semenogelin I and II derived peptides with Nterm. Abz, for the best two substrates aa substitutions in P1’ and Lys or His substitutions in P1 and fluorescence quenched combinatorial library with radom sequences in P3-P1: YIGKAXXX, X ≠ Cys Method using real-time SPR imaging to obtain multiplexed kinetic informations and analysis of the sequence specificity of Factor Xa real-time SPR imaging (anti-Flag ab) Prothrombin factor Xa recognition sequences CSGIEGRDYKDDDDK, CSGIEGADYKDDDDK, CSGDYKDDDDK SPNS DCSD Diff SPOT DIPP (164) (165) (166) (167) (168) factor Xa Substrate specificity determination APC, kallikrein, factor VIIa and TF, IXa, XIa, XIIa, complement C1r, C1s, complement factor D, trypsin, tryptase, subtilisin carlsberg, cathepsin B, G, H, K, L, S, V, rhodesain, papain, chymopapain, ficain, stem bromelain Fluorescence increase of released aminocoumarin derivative 722 Member library: P4P3P2P1, P4 = Ala, P3, P2 ≠ Cys, P1 = Lys, Arg Substrate specificity determination Thrombin, plasmin, factor Xa, uPA, thrombin (B. taurus, S. salmothymus) Fluorescence increase of released aminocoumarin derivative 722 Member library: P4P3P2P1, P4 = Ala, P3, P2 ≠ Cys, P1 = Lys, Arg Identification of optimized substrates for blood proteases Kallikrein, factor Xa, thrombin, uPA, plasmin and plasma treated ± Ca2+, tissue factor, kaolin, uPA and 10 plasma samples and 10 proteases (kallikrein, factor Xa, XIIa, XIa, IXa, VIIa, thrombin, APC, uPA, plasmin) Fluorescence of released methoxycoumarylamine Z-FR-MCA, Boc-IEGRMCA, Boc-VPR-MCA, glutaryl-GR-MCA, BocVLK-MCA and 361 compound library: AcXXXX-ACC Identification of substrates ADAM8 Protease SPOT assay – Fluorescence of released Abzlabelled peptide fragment 34 Peptides derived from proteins involved in inflammatory processes and immune response in the nervous system and various peptide derived from MBP cleavage sites Analysis of protease cleavage specificity Chymopapain, subtilisin Fluorescence increase by clavage of internally queched peptides(FAM/TAM RA) 10000 Member PNA encoded library: TAMRA-ßAla-Ser-Xaa4Xaa3-Xaa2-Xaa1-AlaLys(FAM)-TtdsLys(PNA)-amide with TAMRA = Quencher/Normalization SPNS SPNS SPNS SPOT DCSD (169) (170) (171) (172) (173) fluorophor; FAM = Fluorophor, Ttds = PEGbased-linker moiety, Xaa = random positions with amino acid residues Ala, Asp, Phe, Lys, Leu, Asn, Pro, Ser, Val, Tyr. Monitoring caspase activity Purified caspase 3 or lysates of CHO cells treated with staurosporin Fluorescence imaging subsequent to protease treatment ADEVDA and negative control AEVEEA flanked by Cy3 fluorophore and QSY7-quencher moiety. Positive control without quencher Assay for measuring caspase activities in cell lysates Caspase 3 and 8, SKW6.4 and Jurkat (caspase 8 or deficient) lysate treated ± LzCD95L or staurosporine MALDI-TOF/MS (SAMDI assay) DEDVAFC, IETDAFC, CGGDEVDSG, CGDEVDSGVDEVA, CGKRKGDEVDSG, CGGIETDSG, CDGIETDSG, CDGIETDSGVDDD, CGELDSGIETDSG Surface optimization for SPOT synthesis Chymotrypsin fluorescence imaging subsequent to treatment with Cy5labelled streptavidin Biotinylated peptides of general structure biotinGA-P1-G-linker with P1= A,F, G, I, L, P, V, W SPR based assay for monitoring protease activities Caspase 3, 6, 8, CHO lysate incubated ± staurosporine and inhibitor DEVDCHO Surface plasmon resonance imaging subsequent to treatment with protease followed by streptavidin Caspase substrates DEVD, VEID, IETD and negative controls EVEE, VIEE, TIEE, respectively, flanked by cysteinyl-PEG-linker Nterminally and by GGSK(biotinyl)-amide Cterminally Multiplexed solutionphase assay for protease profiling Trypsin, chymotrypsin, endoproteinases Asp-N, Glu-C, Lys-C, Arg-C, thrombin, factor Xa, HRVI, caspases, MMPs, enterokinases, tobacco etch virus protease and Jurkat cell lysate incubated ± Fas Protease cleavage separates His-tag from biotin residue allowing removal of uncleaved peptides by streptavidin beads, readout using anti-His-tag ab Over 1000 DNA encoded, biotinylated peptide derivatives with pentaHis-tag representing substrates for several protease groups DIPP DIPP SPOT DIPP DCSD (174) (175) (176) (177) (178) ab or Bcl2 overexpressing Jurkat lysate Design of biosensors Botulinium neurotoxin and light chain of botulinium neurotoxin FRET activity assay yielding fluorescence increase subsequent to proteolytic cleavage SNAP-25 peptide substrate (FITC/DABCYL labelled) Substrate specificity determination Subtilase 3 S. lycopersicum Protease SPOT assay – Fluorescence of released Abzlabelled peptide fragment 72 Peptides derived from systemin and substitution analysis using A, F, P, S, N, D, K, V, L, and H for P5 to P3´position SPOT (180) Validation of protease assay Caspase 3, caspase 7, chymotrypsin, subtilisin, thrombin, trypsin Fluorescence increase of deacylated rhodamine derivative 10 Peptide sequences derived from known substrates C-terminally linked to fluorophore DIPP (181) Substrate specificity comparison Granzyme A, granzyme K and inactive variants Fluorescence decrease subsequent to treatment with fluorescein labelled streptavidin 1000 Biotinylated random peptides and 24 controls DIPP (182) Monitoring of proteolytic activities onto fluorous based microarrays Thrombin, plasmin, chymotrypsin, trypsin, granzyme B Fluorescence increase of deacylated aminocoumarine derivative Bz-FVR-ACC, Bz-VPRACC, Ac-IEPD-ACC, Cbz-FR-ACC, Suc-AFKACC; Suc-AAPF-ACC, Bz-FVR-AMC, Bz-VPRAMC, AC-IEPD-AMC, Cbz-FR-AMC, Suc-AFKAMC, Suc-AAPF-AMC DIPP (183) Assay for hydrolytic enzymes (proteases, esterases, epoxid hydrolases, phosphatases) Epoxide hydrolase (R. rhodochrous), acetylcholin esterase (E. electricus), trypsin (B. taurus), AP (B. taurus) Enzyme recognition head coupled to fluorogenic moiety which serves as a reporter group that translates enzymatic activity into fluorescence readouts Asp and Lys derivatives DIPP (184) Novel based assay for identification of HRP, AP, -Gal Fluorescently labelled substrate 10000 Random peptide DIPP (185) Diff (179) Miscellaneous modulators of enzyme function analoga sequences CLPP = Cross Linking of Pre-synthesized Peptides DCSD = DNA /PNA Chips as Sorting Device Diff. = Different technologies DIPP = Directed Immobilization of Pre-synthesized Peptides DPCC = Deposition of Peptide-Cellulose Conjugates (Celluspots) LDPS = Light Directed Peptide Synthesis SODA = Synthesis On Defined Areas SPNS = Solution Phase and Nano Spray SPOT = SPOT Synthesis of Peptides References 1. 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