##gff-version 3 P81693 UniProtKB Initiator methionine 1 1 . . . Note=Removed;Ontology_term=ECO:0000250,ECO:0000269;evidence=ECO:0000250|UniProtKB:P11064,ECO:0000269|PubMed:8011064;Dbxref=PMID:8011064 P81693 UniProtKB Chain 2 158 . . . ID=PRO_0000046560;Note=Low molecular weight phosphotyrosine protein phosphatase P81693 UniProtKB Active site 13 13 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11064 P81693 UniProtKB Active site 19 19 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11064 P81693 UniProtKB Active site 130 130 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11064 P81693 UniProtKB Modified residue 2 2 . . . Note=N-acetylalanine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11064 P81693 UniProtKB Modified residue 132 132 . . . Note=Phosphotyrosine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P24666 P81693 UniProtKB Modified residue 133 133 . . . Note=Phosphotyrosine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P24666