ID TOPO_IB_1; PATTERN. AC PS00176; DT 01-APR-1990 CREATED; 01-NOV-1997 DATA UPDATE; 29-MAY-2024 INFO UPDATE. DE Topoisomerase (Topo) IB-type active site signature. PA [DEN]-x(6)-[GS]-[IT]-S-K-x(2)-Y-[LIVM]-x(3)-[LIVM]. CC /SITE=8,active_site; CC /VERSION=1; PR PRU10130; DO PDOC00159; //