L-glutamimide (3S)-3-aminopiperidine-2,6-dione -18.010564804077148438 -18.020000457763671875 127.050750732421875 127.12000274658203125 2-aminopentanimide 3-amino-2,6-piperidinedione A protein modification that effectively cyclizes an L-glutamine residue to form a carboxyl-terminal L-glutamimide. C 0 H -2 N 0 O -1 C 5 H 7 N 2 O 2 C-term Dehydrated Dehydration L-glutamimide MOD:00308 PSI-MOD Q Unimod:23 alpha-aminoglutarimide hypothetical cyclized residue dehydrated residue modified L-glutamine residue