##gff-version 3 O52787 UniProtKB Chain 1 142 . . . ID=PRO_0000046566;Note=Low molecular weight protein-tyrosine-phosphatase Ptp O52787 UniProtKB Active site 10 10 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11064 O52787 UniProtKB Active site 16 16 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11064 O52787 UniProtKB Active site 115 115 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P11064 O52787 UniProtKB Mutagenesis 10 10 . . . Note=Loss of activity. C->S;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:9571056;Dbxref=PMID:9571056 O52787 UniProtKB Mutagenesis 16 16 . . . Note=Loss of activity. R->K;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:9571056;Dbxref=PMID:9571056