COLLISION-INDUCED DISSOCIATIONS OF DEPROTONATED PEPTIDES - DIPEPTIDES CONTAINING METHIONINE OR CYSTEINE

被引：22

作者：

WAUGH, RJ

BOWIE, JH

GROSS, ML

机构：

[1] UNIV ADELAIDE,DEPT CHEM,ADELAIDE,SA 5005,AUSTRALIA

[2] UNIV NEBRASKA,DEPT CHEM,LINCOLN,NE 68588

来源：

RAPID COMMUNICATIONS IN MASS SPECTROMETRY | 1993年 / 7卷 / 07期

关键词：

D O I：

10.1002/rcm.1290070714

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The collisional activation mass spectra of the [M - H]- ions of dipeptides containing Met or Cys show the usual backbone fragmentation allowing the sequence of the peptide to be determined. A methionine residue may be identified by the presence of a pronounced peak resulting from loss of MeSH, while a cysteine residue may be identified by the presence of a peak corresponding to loss of either H2S or (H2S + CO2).

引用

页码：623 / 625

页数：3

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