BP 204
Focus Paper: Ligand Binding - Stroud:
P1) Fersht AR; Shi JP; Knill-Jones J; Lowe DM; Wilkinson AJ; Blow DM; et al. Hydrogen
bonding and biological specificity analysed by protein engineering. Nature, 1985 Mar
21-27, 314(6008):235-8.
• Energetic accounting for a hydrogen bond
• Paired-to-unpaired hydrogen bonds to charged moieties
• Balancing the equation of hydrogen bonds versus solvent
______________________________________________________________________________
P2) Livnah O; Stura EA; Johnson DL; Middleton SA; Mulcahy LS; Wrighton NC; Dower
WJ; Jolliffe LK; Wilson IA. Functional mimicry of a protein hormone by a peptide agonist:
the EPO receptor complex at 2.8 A Science, 1996 Jul 26, 273(5274):464-71.
• Biology of selection: ‘phage display’; why dimerizing ligands selected?
• Avidity. Additivity of free energy contributors
• Buried surface areas and affinity
• Transmembrane signaling by cytokine receptors depends on dimerization
_____________________________________________________________________________
P3) Robert C. Rizzo, De-Ping Wang, Julian Tirado-Rives, and
William L. Jorgensen Validation of a Model for the Complex of HIV-1
Reverse Transcriptase with Sustiva through Computation of Resistance
Profiles
_____________________________________________________________________________
P4) David E. Shaw,1,2* Paul Maragakis,1† Kresten Lindorff-Larsen,1† Stefano
Piana,1† Ron O. Dror,1 Michael P. Eastwood,1 Joseph A. Bank,1 John M.
Jumper,1 John K. Salmon,1 Yibing Shan,1 Willy Wriggers Atomic-Level
Characterization of the Structural Dynamics of Proteins
_____________________________________________________________________________
P5) Chimera tutorial: http://bit.ly/LBQr04
(http://www.cgl.ucsf.edu/chimera/data/tutorials/bp204/classdata.html)
_____________________________________________________________________________
P6) Zhou, Y; Morals-Cabral, JH; Kaufman, A., MacKinnon, R. Chemistry of ion
coordination and hydration revealed by a K+ channel-Fab complex at 2.0 Å resolution.
Nature, 2001 Nov 01, (414):43-48.
• Basis for coordinating K+ ions – the pathway
• Compensation for lipids in the center
• Selectivity for K+ versus other ions
• Hydrophobic exit port
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P7). Erlanson,DA; Braisted, AC; Raphael, DR; Randal, Mike; Stroud,RM;
Gordon, EM; Wells, JA. Site-directed ligand discovery. PNAS. 2000 Aug 15,
97(17)9367-9372.
• Facing problems for Drug Discovery
• Tethering – Why? How? Reducing potential
• Additivity of energy
Jencks WP. On the attribution and additivity of binding energies. Proc Natl
Acad Sci U S A. 1981;78(7):4046-50.
• The conundrum of non-additivity
• Fragmenting Biotin
• Entropy reduction
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P8) Rasmussen SG, DeVree BT, Zou Y, Kruse AC, Chung KY, Kobilka TS, et al.
Crystal structure of the beta2 adrenergic receptor-Gs protein complex. Nature.
2011;477(7366):549-55.
•
•
•
•
Heterotrimeric G-protein complex
Llama antibodies/nanobodies cubic lipidic phases
Crystallogenesis
Activation, interaction surface
Chun E, Thompson AA, Liu W, Roth CB, Griffith MT, Katritch V, et al. Fusion partner
toolchest for the stabilization and crystallization of G protein-coupled receptors.
Structure. 2012;20(6):967-76.
• Protein engineering for stability
• Size exclusion chromatography and flexibility
• Protein diffusion and crystallization
_____________________________________________________________________________
Focus Papers: Enzymes and Catalysis: Miller/Gross
P13) Milburn MV, Tong L, deVos AM, Brunger A, Yamaizumi Z, Nishimura S, et
al. Molecular switch for signal transduction: structural differences between active
and inactive forms of protooncogenic ras proteins. Science. 1990;247
Kraulis PJ, Domaille PJ, Campbell-Burk SL, Van Aken T, Laue ED. Solution
structure and dynamics of ras p21.GDP determined by heteronuclear three- and
four-dimensional NMR spectroscopy. Biochemistry. 1994
_____________________________________________________________________________
P14) Worthylake DK, Rossman KL, Sondek J. Crystal structure of Rac1 in
complex with the guanine nucleotide exchange region of Tiam1. Nature. 2000;408
Aghazadeh B, Lowry WE, Huang XY, Rosen MK. Structural basis for relief of
autoinhibition of the Dbl homology domain of proto-oncogene Vav by tyrosine
phosphorylation. Cell. 2000;102(5):625-33.
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P15) Li P, Martins IR, Amarasinghe GK, Rosen MK. Internal dynamics control
activation and activity of the autoinhibited Vav DH domain. Nat Struct Mol Biol.
2008;15(6):613-8.
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END OF COHERENT
Interaction: The CTerminal Domain of GAP IS Not Sufficient for Full Activity
1) Kraut, J. [1988] How do enzymes work? Science 242, 533-540.
•
•
•
•
Transition state theory
Basic kinetics
Catalysis
Enzyme kinetics
_____________________________________________________________________________
2) Fastrez, J. & Fersht, A.R. [1973] Demonstration of the acyl-enzyme mechanism for the
hydrolysis of peptides and anilides by chymotrypsin. Biochemistry 12, 2025-2034.
• Serine proteases
• Covalent intermediates
• Multistep processing
• Free energy vs. reaction coordinate
_____________________________________________________________________________
3) Abrahmsen, L., et al. [1991] Engineering subtilisin and its substrates for efficient
ligation of peptide bonds in aqueous solution. Biochemistry 30, 4151-4159.
• Changing the properties of enzymes
• Microscopic reversibility
• Chemical reactivity of active site groups
• Additional examples of tailored enzymes
_____________________________________________________________________________
4) Raines, R.T., et al. [1986] Reaction energetics of a mutant triosephosphate isomerase in
which the active-site glutamate has been changed to an aspartate. Biochemistry 25, 71427154.
• Evolutionary perfection of enzyme catalysis
• Concerted reactions
• Diffusion control
• Isotope effects
_____________________________________________________________________________
5) Wells, T.N.C. & Fersht, A.R. [1986] Use of binding energy in catalysis analyzed by
mutagenesis of the tyrosyl-tRNA synthetase. Biochemistry 25, 1881-1886.
• Specificity
• Limits of fidelity
• Proofreading mechanisms
• Binding energy in catalysis
_____________________________________________________________________________
1) Kraut, J. [1988] How do enzymes work? Science 242, 533-540.
• Transition state theory
• Basic kinetics
• Catalysis
• Enzyme kinetics
_____________________________________________________________________________
2) Fastrez, J. & Fersht, A.R. [1973] Demonstration of the acyl-enzyme mechanism for the
hydrolysis of peptides and anilides by chymotrypsin. Biochemistry 12, 2025-2034.
• Serine proteases
• Covalent intermediates
• Multistep processing
• Free energy vs. reaction coordinate
_____________________________________________________________________________
3) Abrahmsen, L., et al. [1991] Engineering subtilisin and its substrates for efficient
ligation of peptide bonds in aqueous solution. Biochemistry 30, 4151-4159.
• Changing the properties of enzymes
• Microscopic reversibility
• Chemical reactivity of active site groups
• Additional examples of tailored enzymes
_____________________________________________________________________________
4) Raines, R.T., et al. [1986] Reaction energetics of a mutant triosephosphate isomerase in
which the active-site glutamate has been changed to an aspartate. Biochemistry 25, 71427154.
• Evolutionary perfection of enzyme catalysis
• Concerted reactions
• Diffusion control
• Isotope effects
_____________________________________________________________________________
5) Wells, T.N.C. & Fersht, A.R. [1986] Use of binding energy in catalysis analyzed by
mutagenesis of the tyrosyl-tRNA synthetase. Biochemistry 25, 1881-1886.
• Specificity
• Limits of fidelity
• Proofreading mechanisms
• Binding energy in catalysis
_____________________________________________________________________________
Focus Papers for Protein Folding: Agard
1) Eriksson AE; Baase WA; Zhang XJ; Heinz DW; Blaber M; Baldwin EP; Matthews BW.
Response of a protein structure to cavity-creating mutations and its relation to the
hydrophobic effect. Science 255:178-183. (1992)
• Quantitative measurement of contribution of hydrophobic effect to protein stability
• Deletions result in cavities within the protein that compact to differing degrees
• Energetics of cavity formation comparable to hydrophobic effect
• Rationalizes energetic consequences of side chain mutations-after contradictions
_____________________________________________________________________________
2) Riddle DS, Santiago JV, Bray-Hall ST, Doshi N, Grantcharova VP, Yi Q, Baker D
Functional rapidly folding proteins from simplified amino acid sequences Nature Struct
Biol 4:805-809 (1997)
• How complex a sequence “alphabet” is required to code a stable protein fold?
• Is the folding rate of small protein domains optimized through evolution?
• Use of phage display for simplifying proteins
_____________________________________________________________________________
3) Hughson,F.M., Wright, P.E., Baldwin, R.L. Structural characterization of a partly
folded apomyoglobin intermediate Science 249:1544-1548 (1990).
• Molten globules are thought to be critical intermediates along folding pathways
• Structure of a molten globule
• Use of hydrogen exchange to study properties of folding reactions
_____________________________________________________________________________
4) Chamberlain AK; Handel TM; Marqusee S. Detection of rare partially folded
molecules in equilibrium with the native conformation of RNaseH Nature Structure
Biology 3:782-7 (1996).
• Rare conformational states are accessible from the native state
• Correlation between relative stability and folding pathways
• Domains in a structure have different stabilities
_____________________________________________________________________________
5) Netzer WJ, Hartl FU. Recombination of protein domains facilitated by co-translational
folding in eukaryotes Nature 388:343-349 (1997)
• Comparison; protein folding machinery in prokaryotes and eukaryotes
• Fundamental differences may be adapted for folding of different kinds of proteins
_____________________________________________________________________________
Focus Papers: Protein-Protein Interactions: Fletterick
1) Schuster SC; Swanson RV; Alex LA; Bourret RB; Simon MI. Assembly and function of a
quaternary signal transduction complex monitored by surface plasmon resonance. 1993
Nature, 365(6444):343-7.
• Measuring association and dissociation of proteins
• Role of ATP driven phosphorylation and covalent modification in complex stability
• Role of ligand binding to receptor in promoting assembly
• SPR to derive binding constants
• Quaternary signal transduction complex controls chemotaxis
_____________________________________________________________________________
2) Horton N; Lewis M. Calculation of the free energy of association for protein
complexes. (1992) Protein Science 1(1):169-81.
• Thermodynamics of Protein Assembly
• Structural Change on complexation
• Empirical fitting of Atomic Interactions with Free Energy of Association
• Estimate of free energy of H bonds and charge interactions in protein complexes and role
of hydrophobic effect
_____________________________________________________________________________
3) Chothia C; Lesk AM; Tramontano A; Levitt M; Smith-Gill SJ; Air G; Sheriff S; Padlan EA;
Davies D; Tulip WR; et al. Conformations of immunoglobulin hypervariable regions.
Nature, 1989 Dec 21-28, 342(6252):877-83.
• Definition of IgG fold
• Definition of CDR’s and their conformations
• Target sites on antigens and Fab’s
• Structural changes, characterization of interfaces
_____________________________________________________________________________
4) Clackson T; Ultsch MH; Wells JA; de Vos AM. Structural and functional analysis of
the 1:1 growth hormone:receptor complex reveals the molecular basis for receptor
affinity. Journal of Molecular Biology, 1998 Apr 17, 277(5):1111-28.
• Structure of Growth hormone with its receptor
• Mutagenesis and Affinity define important interfaces
_____________________________________________________________________________
5) Russo AA; Jeffrey PD; Patten AK; Massague J; Pavletich NP. Crystal structure of the
p27Kip1 cyclin-dependent-kinase inhibitor bound to the cyclin A-Cdk2 complex.
Nature, 1996 Jul 25, 382(6589):325-31.
• Multiple interactions build a three-protein complex
• Protein mimic of ATP
• Changes in protein structure on complex formation
_____________________________________________________________________________
Focus Papers: Nucleic acid-Protein Interactions: Frankel
1) Weeks, K. M. and Crothers, D. M. Major groove accessibility of RNA. 1993 Science 261,
1574-1577.
• The major groove provides a prime recognition surface in nucleic acids
• RNA and DNA structures are very different
• Discontinuities in RNA helices make virtually all base pairs available for recognition
_____________________________________________________________________________
2) Murray, J. B., Terwey, D. P., Maloney, L., Karpeisky, A., Usman, N., Beigelman, L., and
Scott, W. G. The structural basis of hammerhead ribozyme self-cleavage. 1998 Cell 92,
665-673.
• RNAs adopt complex folds
• RNAs can perform chemical reactions
• Metal ions are important for structure and catalysis
• RNAs can undergo major conformational change
_____________________________________________________________________________
3) Sclavi, B., Sullivan, M., Chance, M. R., Brenowitz, M., and Woodson, S. A. RNA folding
at millisecond intervals by synchrotron hydroxyl radical footprinting. 1998 Science 279,
1940-1943.
• RNA folding is ordered but does not necessarily follow a single pathway
• Secondary structures (helices) assemble into higher order structures
• Kinetic traps are possible
• Folding time scales are similar to proteins
_____________________________________________________________________________
4) Rastinejad, F., Perlmann, T., Evans, R.M., and Sigler, P.B. Structural determinants of
nuclear receptor assembly on DNA direct repeats. 1995 Nature 375, 203-211.
• DNA-binding proteins often share common structural motifs
• The major groove, minor groove, and backbone provide specific recognition points
• Water molecules often are located at protein-nucleic acid interfaces
• Oligomeric arrangements can generate different specificities
_____________________________________________________________________________
5) Price, S. R., Evans, P. E., and Nagai, K. Crystal structure of the spliceosomal U2B"-U2A'
protein complex bound to a fragment of U2 small nuclear RNA. 1998 Nature 394, 645650.
• RNA loops provide important recognition features
• Both RNA and protein often show induced fit upon binding
• Recognition surfaces can be remodeled to generate different specificities
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1.
Epub 2000/09/28. PubMed PMID: 11007481.