has functional parent L-glutamic acid 5-methyl ester (Gln) 14.999666213989257812 143.0582427978515625 143.1399993896484375 15.010000228881835938 A protein modification that effectively converts an L-glutamine residue to L-glutamate 5-methyl ester. L-glutamic acid 5-methyl ester 5-methyl L-2-aminoglutarate MOD_RES Glutamate methyl ester (Gln) deamidated 5-methyl esterified glutamine Q PSI-MOD C 1 H 1 N -1 O 1 none glutamic acid 5-methyl ester MOD:00657 natural C 6 H 9 N 1 O 3 Methyl+Deamidated Deamidation followed by a methylation 5-methyl L-glutamate (2S)-2-amino-5-methoxy-5-oxopentanoic acid O5MeGlu(Gln) This is known to be a natural modification of glutamine in prokaryotes. 2-aminopentanedioic acid 5-methyl ester (5)-methyl L-hydrogen glutamate glutamic acid gamma-methyl ester methylated glutamine deamidated and methyl esterified residue L-glutamic acid 5-methyl ester