ID TOPO_IA_1; PATTERN. AC PS00396; DT 01-NOV-1990 CREATED; 01-DEC-2004 DATA UPDATE; 29-MAY-2024 INFO UPDATE. DE Topoisomerase (Topo) IA-type active site signature. PA [EQ]-x-L-Y-[DEQSTLM]-x(3,12)-[LIVST]-[ST]-Y-x-R-[ST]-[DEQSN]. CC /SITE=9,active_site; CC /VERSION=1; PR PRU10131; DO PDOC00333; //