Mass Spectrometry Facility, The Astbury Centre for Structural Molecular Biology, Astbury Building, The University of Leeds, Leeds, LS2 9JT. MASS SPECTROMETRY SAMPLE ANALYSIS REQUEST Please ensure you have read the sample preparation guidelines at http://www.astbury.leeds.ac.uk/facil/mass.htm and that you fully complete this form Analysis number (our ref): Name: Email: Grant holder: Ext.: Department/Institution: Account code: Sample details: Number of samples: Sample id./analyte type and vial labels: Expected molecular weight and/or formula/sequence: Method of purification used to remove salts, buffers, etc.: Quantity and/or concentration of sample: Solubility details or solvent composition: Chemical and thermal stability: Storage conditions : Analyses requested: Please circle: ELECTROSPRAY SELDI / MALDI Molecular weight: Accurate mass measurement (samples ≤1200 Da): Peptide sequencing (samples ≤2000 Da): Structural information (samples ≤2000 Da): MS development (please discuss first): HPLC-MS (please state column, mobile phase and gradient): Please return to: Dr James R Ault Mass Spectrometry Facility, The Astbury Centre for Structural Molecular Biology, Astbury Building, The University of Leeds, Leeds, LS2 9JT. Tel.: 0113 343 7274; E.: j.r.ault@leeds.ac.uk.