XPB1 (ARABIDOPSIS HOMOLOG OF XERODERMA PIGMENTOSUM COMPLEMENTATION GROUP B 1); ATP-dependent helicase. Identical to DNA repair helicase XPB1 (XPB1) [Arabidopsis Thaliana] (GB:Q38861;GB:O04171;GB:Q6JA92;GB:Q9FN63); similar to XPB2 (ARABIDOPSIS HOMOLOG OF XERODERMA PIGMENTOSUM COMPLEMENTATION GROUP B 2), ATP-dependent helicase [Arabidopsis thaliana] (TAIR:AT5G41360.1); similar to hypothetical protein OsJ_002992 [Oryza sativa (japonica cultivar-group)] (GB:EAZ13167.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO65934.1); similar to hypothetical protein OsI_003293 [Oryza sativa (indica cultivar-group)] (GB:EAY75446.1); contains I