N-methyl-L-methionine
(2S)-2-methylamino-4-(methylsulfanyl)butanoic acid
14.0156
14.03
145.056
145.22
2-methylamino-4-(methylthio)butanoic acid
A protein modification that effectively converts an L-methionine residue to N-methyl-L-methionine.
C 1 H 2 N 0 O 0 S 0
C 6 H 11 N 1 O 1 S 1
M
MOD:00073
MOD_RES N-methylmethionine
Methyl
Methyl Methionyl
Methylation
N-methyl-L-methionine
N-methylated L-methionine
N-methylmethionine
N-term
NMe1Met
PSI-MOD
Polypeptides with monomethylated amino terminals can undergo premature cleavage during the coupling step of an Edman degradation. This can result in "preview" with both a residue and the following residue being seen from the first step on through a sequence [JSG].
natural
uniprot.ptm:PTM-0217
N-methylated methionine
alpha-amino monomethylated residue