TOP1alpha (TOPOISOMERASE I). similar to TOP1BETA (DNA TOPOISOMERASE 1 BETA), DNA topoisomerase type I [Arabidopsis thaliana] (TAIR:AT5G55300.1); similar to hypothetical protein OsI_026860 [Oryza sativa (indica cultivar-group)] (GB:EAZ05628.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO23979.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO47952.1); contains InterPro domain DNA topoisomerase I, DNA binding, mixed alpha/beta motif, eukaryotic-type; (InterPro:IPR013030); contains InterPro domain DNA topoisomerase I, C-terminal; (InterPro:IPR001631); contains InterPro domain DNA topoisomerase I, DNA binding, eukaryo