##gff-version 3 Q91X83 UniProtKB Chain 1 396 . . . ID=PRO_0000174433;Note=S-adenosylmethionine synthase isoform type-1 Q91X83 UniProtKB Region 114 126 . . . Note=Flexible loop;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A817 Q91X83 UniProtKB Binding site 24 24 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P13444 Q91X83 UniProtKB Binding site 30 30 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P13444 Q91X83 UniProtKB Binding site 58 58 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A817 Q91X83 UniProtKB Binding site 71 71 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A817 Q91X83 UniProtKB Binding site 114 114 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A817 Q91X83 UniProtKB Binding site 180 182 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q00266 Q91X83 UniProtKB Binding site 248 251 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q00266 Q91X83 UniProtKB Binding site 259 259 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P13444 Q91X83 UniProtKB Binding site 259 259 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A817 Q91X83 UniProtKB Binding site 265 266 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A817 Q91X83 UniProtKB Binding site 282 282 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P13444 Q91X83 UniProtKB Binding site 286 286 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P13444 Q91X83 UniProtKB Binding site 290 290 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P13444 Q91X83 UniProtKB Binding site 290 290 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0A817 Q91X83 UniProtKB Modified residue 121 121 . . . Note=S-nitrosocysteine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P13444 Q91X83 UniProtKB Disulfide bond 35 61 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P13444