2. a.267.1 Topoisomerase V catalytic domain-like Topoisomerase V catalytic domain-like multihelical; irregular array; contains small amount of beta-structure and a 3-helical bundle with a variant homeofomain-like fold and HTH motif (scop_cf 46688) 2csb d2csba5 A:4-10,12-44,49-70,99-108,109-119