In all organisms, type II DNA topoisomerases are essential for untangling chromosomal DNA. The archaeal type II protein is termed DNA topoisomerase VI. This entry represents an all beta domain found in these proteins.

1: Structure and function of an archaeal topoisomerase VI subunit with homology to the meiotic recombination factor Spo11. Nichols MD, DeAngelis K, Keck JL, Berger JM; EMBO J 1999;18:6177-6188. PMID:10545127

2: Holoenzyme assembly and ATP-mediated conformational dynamics of topoisomerase VI. Corbett KD, Benedetti P, Berger JM; Nat Struct Mol Biol. 2007;14:611-619. PMID:17603498

3: Crystal structure of an intact type II DNA topoisomerase: insights into DNA transfer mechanisms. Graille M, Cladiere L, Durand D, Lecointe F, Gadelle D, Quevillon-Cheruel S, Vachette P, Forterre P, van Tilbeurgh H; Structure. 2008;16:360-370. PMID:18334211