##gff-version 3 A2X2G3 UniProtKB Chain 1 307 . . . ID=PRO_0000301657;Note=Serine/threonine-protein phosphatase PP2A-3 catalytic subunit A2X2G3 UniProtKB Active site 116 116 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 A2X2G3 UniProtKB Binding site 55 55 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 A2X2G3 UniProtKB Binding site 57 57 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 A2X2G3 UniProtKB Binding site 83 83 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 A2X2G3 UniProtKB Binding site 83 83 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 A2X2G3 UniProtKB Binding site 115 115 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 A2X2G3 UniProtKB Binding site 165 165 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 A2X2G3 UniProtKB Binding site 239 239 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 A2X2G3 UniProtKB Sequence conflict 60 60 . . . Note=F->P;Ontology_term=ECO:0000305;evidence=ECO:0000305