##gff-version 3 P23636 UniProtKB Chain 1 322 . . . ID=PRO_0000058872;Note=Major serine/threonine-protein phosphatase PP2A-2 catalytic subunit P23636 UniProtKB Active site 131 131 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P23636 UniProtKB Binding site 70 70 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23636 UniProtKB Binding site 72 72 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23636 UniProtKB Binding site 98 98 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23636 UniProtKB Binding site 98 98 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23636 UniProtKB Binding site 130 130 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23636 UniProtKB Binding site 180 180 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23636 UniProtKB Binding site 254 254 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23636 UniProtKB Modified residue 322 322 . . . Note=Leucine methyl ester;Ontology_term=ECO:0000250;evidence=ECO:0000250