##gff-version 3 P23696 UniProtKB Chain 1 309 . . . ID=PRO_0000058850;Note=Serine/threonine-protein phosphatase PP2A P23696 UniProtKB Active site 118 118 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P23696 UniProtKB Binding site 57 57 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23696 UniProtKB Binding site 59 59 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23696 UniProtKB Binding site 85 85 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23696 UniProtKB Binding site 85 85 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23696 UniProtKB Binding site 117 117 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23696 UniProtKB Binding site 167 167 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23696 UniProtKB Binding site 241 241 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P23696 UniProtKB Modified residue 309 309 . . . Note=Leucine methyl ester;Ontology_term=ECO:0000250;evidence=ECO:0000250