##gff-version 3 O73792 UniProtKB Chain 1 184 . . . ID=PRO_0000088172;Note=Tyrosine-protein kinase receptor Tie-1 O73792 UniProtKB Domain 1 164 . . . Note=Protein kinase;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 O73792 UniProtKB Active site 25 25 . . . Note=Proton acceptor;Ontology_term=ECO:0000255,ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159,ECO:0000255|PROSITE-ProRule:PRU10028 O73792 UniProtKB Modified residue 53 53 . . . Note=Phosphotyrosine%3B by autocatalysis;Ontology_term=ECO:0000250;evidence=ECO:0000250 O73792 UniProtKB Non-terminal residue 1 1 . . . .