##gff-version 3 O60126 UniProtKB Chain 1 622 . . . ID=PRO_0000145197;Note=DNA topoisomerase 3 O60126 UniProtKB Domain 2 148 . . . Note=Toprim;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00995 O60126 UniProtKB Domain 166 596 . . . Note=Topo IA-type catalytic;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01383 O60126 UniProtKB Active site 330 330 . . . Note=O-(5'-phospho-DNA)-tyrosine intermediate;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01383