##gff-version 3 P48484 UniProtKB Initiator methionine 1 1 . . . Note=Removed;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:22223895;Dbxref=PMID:22223895 P48484 UniProtKB Chain 2 321 . . . ID=PRO_0000058800;Note=Serine/threonine-protein phosphatase PP1 isozyme 4 P48484 UniProtKB Active site 135 135 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P48484 UniProtKB Binding site 74 74 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P48484 UniProtKB Binding site 76 76 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P48484 UniProtKB Binding site 102 102 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P48484 UniProtKB Binding site 102 102 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P48484 UniProtKB Binding site 134 134 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P48484 UniProtKB Binding site 183 183 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P48484 UniProtKB Binding site 258 258 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P48484 UniProtKB Modified residue 2 2 . . . Note=N-acetylalanine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:22223895;Dbxref=PMID:22223895