oxazole/oxazoline ring crosslinked residues (Ser)
L-isoleucine oxazole-4-carboxylic acid
-20.0262
-20.03
180.09
180.21
2-[(1S,2S)-1-amino-2-methylbutyl]-1,3-oxazole-4-carboxylic acid
2-[(1S,2S)-1-azanyl-2-methylbutyl]-1,3-oxazole-4-carboxylic acid
A protein modification that effectively crosslinks an L-isoleucine residue and an L-serine residue to form L-cysteine oxazole-4-carboxylic acid.
C 0 H -4 N 0 O -1
C 9 H 12 N 2 O 2
CROSSLNK Oxazole-4-carboxylic acid (Ile-Ser)
Cross-link 2.
I, S
L-isoleucine oxazole-4-carboxylic acid
MOD:01902
PSI-MOD
natural
uniprot.ptm:PTM-0463
crosslinked L-isoleucine residue
didehydrogenated and dehydrated residue