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Accession #  765 PSI-MS Name  Interim Name  Met-loss
Description  Removal of initiator methionine from protein N-terminus
Composition  H(-9) C(-5) N(-1) O(-1) S(-1) Monoisotopic  -131.040485 Average  -131.1961
Specificity Definition 1
Site  M Position  Protein N-term Classification  Co-translational
Notes and References 
Source  Journal Reference  Biochemistry (1987) 26 8242-8246
Source  PubMed PMID Reference  3327521
Notes  N-terminal initiator methionine is removed by a methionine aminopeptidase from proteins where the residue following the methionine is Ala, Cys, Gly, Pro, Ser, Thr or Val. This is generally the final N-terminal state for proteins where the following residue was a Cys, Pro or Val.
Curator  chalkley Last Modified  2007-07-15 20:01:35 Verified  No
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