##gff-version 3 P50227 UniProtKB Chain 1 295 . . . ID=PRO_0000085125;Note=Sulfotransferase 1A1 P50227 UniProtKB Active site 108 108 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P50227 UniProtKB Binding site 48 53 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50225 P50227 UniProtKB Binding site 106 108 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50225 P50227 UniProtKB Binding site 130 130 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50225 P50227 UniProtKB Binding site 138 138 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50225 P50227 UniProtKB Binding site 193 193 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50225 P50227 UniProtKB Binding site 227 232 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50225 P50227 UniProtKB Binding site 255 259 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P50225 P50227 UniProtKB Modified residue 138 138 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P17988 P50227 UniProtKB Sequence conflict 200 200 . . . Note=P->S;Ontology_term=ECO:0000305;evidence=ECO:0000305 P50227 UniProtKB Sequence conflict 285 291 . . . Note=AGCKLRF->RAATPL;Ontology_term=ECO:0000305;evidence=ECO:0000305