DNA topoisomerasealpha, TOPO II, DNA topoisomerase 2-alpha, DNA topoisomerase II, alpha isozyme, TOP2, TP2A, DNA topoisomerase II 170 kD, DNA topoisomerase II alpha isozyme, DNA Topoisomerase2, TOP 2A, TopII alpha, Topo II alpha, Topoisomerase DNA II alpha 170kDa, Topoisomerase II alpha 170 kDa, TOP2A_HUMAN, Topo II, Topo-II, Topoisomerase II-.
Control of topological states of DNA by transient breakage and subsequent rejoining of DNA strands. Topoisomerase II makes double-strand breaks.