Drug Gene Type Source coumermycin a1 TOP2A Text_Mining(Inhibitor) TTD coumermycin a1 TOP2B Text_Mining(Inhibitor) TTD coumermycin a1 HSP90AB1 Inhibition=None(Unspecified) D4 ChEMBL coumermycin a1 HSP90AB1 Activity=None(Unspecified) D4 ChEMBL