2-imino-methionine 5-imidazolinone glycine (2-[1-imino-3-(methylsulfanyl)propyl]-5-oxo-4,5-dihydro-imidazol-1-yl)acetic acid (2-[3-(methylsulfanyl)propanimidoyl]-5-oxo-4,5-dihydro-1H-imidazol-1-yl)acetic acid -20.026214599609375 -20.030000686645507812 168.035736083984375 168.2100067138671875 2,N-didehydromethionyl-5-imidazolinone glycine 2-[1-imino-3-(methylsulfanyl)propyl]-1-carboxymethyl-1-imidazolin-5-one 2-imino-methionine 5-imidazolinone glycine 2-imino-methionyl-5-imidazolinone glycine A protein modification that effectively crosslinks an L-methionine residue and a glycine residue to form 2-imino-methionine 5-imidazolinone glycine. C 0 H -4 N 0 O -1 S 0 C 7 H 8 N 2 O 1 S 1 CROSSLNK 2-iminomethyl-5-imidazolinone (Met-Gly) Cross-link 2; carboxamidine; cross-link 1; incidental to RESID:AA0183; incidental to RESID:AA0365. G, M GFP-like chromoprotein asFP595 chromophore MOD:00384 PSI-MOD natural para-hydroxybenzylidene-imidazolidinone chromophore red fluorescent protein eqFP611 chromophore uniprot.ptm:PTM-0015 5-imidazolinone ring crosslinked residues (Gly) crosslinked glycine residue crosslinked L-methionine residue