##gff-version 3 Q63272 UniProtKB Chain 1 1100 . . . ID=PRO_0000088117;Note=Tyrosine-protein kinase JAK3 Q63272 UniProtKB Domain 24 353 . . . Note=FERM;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00084 Q63272 UniProtKB Domain 372 472 . . . Note=SH2%3B atypical Q63272 UniProtKB Domain 517 777 . . . Note=Protein kinase 1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 Q63272 UniProtKB Domain 818 1091 . . . Note=Protein kinase 2;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 Q63272 UniProtKB Region 1 223 . . . Note=Cytokine/interferon/growth hormone receptors;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q63272 UniProtKB Active site 945 945 . . . Note=Proton acceptor;Ontology_term=ECO:0000255,ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159,ECO:0000255|PROSITE-ProRule:PRU10028 Q63272 UniProtKB Binding site 824 832 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 Q63272 UniProtKB Binding site 851 851 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 Q63272 UniProtKB Modified residue 17 17 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q62137 Q63272 UniProtKB Modified residue 781 781 . . . Note=Phosphotyrosine%3B by autocatalysis;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P52333 Q63272 UniProtKB Modified residue 900 900 . . . Note=Phosphotyrosine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P52333 Q63272 UniProtKB Modified residue 935 935 . . . Note=Phosphotyrosine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P52333 Q63272 UniProtKB Modified residue 976 976 . . . Note=Phosphotyrosine%3B by autocatalysis;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P52333 Q63272 UniProtKB Modified residue 977 977 . . . Note=Phosphotyrosine%3B by autocatalysis;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P52333 Q63272 UniProtKB Sequence conflict 893 893 . . . Note=S->E;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q63272 UniProtKB Sequence conflict 981 981 . . . Note=E->V;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q63272 UniProtKB Sequence conflict 1034 1034 . . . Note=M->I;Ontology_term=ECO:0000305;evidence=ECO:0000305