hydroxyheme-L-glutamate ester 5-hydroxymethyl protoporphyrin IX 5-glutamate ester 614.16162109375 614.47998046875 743.2042236328125 743.5999755859375 A protein modification that effectively results from forming an adduct between a glutamic acid residue and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron. BINDING Heme (covalent; via 1 link) C 34 Fe 1 H 30 N 4 O 4 C 39 Fe 1 H 37 N 5 O 7 E Hydroxyheme MOD:00329 PSI-MOD Unimod:436 [3-[(S)-(4-amino-4-carboxy)butanoyloxymethyl]-7,12-diethenyl-8,13,17-trimethyl-21H,23H-porphine-2,18-bis(2-carboxyethyl)-N21,N22,N23,N24]-ferrate cytochrome P450 CYP4A family heme cofactor hydroxyheme hydroxyheme-L-glutamate ester natural porphyrin modified residue metal or metal cluster coordinated L-glutamic acid residue