peptide map


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peptide map

a pattern observed from two-dimensional chromatography or electrophoresis following partial hydrolysis of a protein.
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Differential peptide display (DPD[TM]; BioVisioN) (7-9) is a technique that generates comprehensive peptide maps of ~3000 peptides covering a mass range of 950-15 000 Da from a biological sample.
An extra mass at m/z 3691.8, which was not detected in the control M series of [[alpha].sub.1]-antitrypsin, was detected in all of the tryptic peptide maps of spots 1a-5a (Fig.
Delayed extraction improves specificity in database searches by matrix-assisted laser desorption/ionization peptide maps. Rapid Commun Mass Spectrom 1996;10:1371-8.