Isomerase, deoxyribonucleate topo-; DNA Topoisomerase I; DNA Topoisomerase I, calf thymus; DNA Topoisomerase II, calf thymus; Topoisomerase I; Topoisomerase I, L1210 cell; Topoisomerase I, calf thymus; Topoisomerase I, hl-60 cell; Topoisomerase I, human; Topoisomerase II, calf thymus; Topoisomerase II, human