HAF2/TAF1/TAF1B (HISTONE ACETYLTRANSFERASE OF THE TAFII250 FAMILY, TBP-ASSOCIATED FACTOR 1B); DNA binding / transcription cofactor. Identical to Transcription initiation factor TFIID subunit 1-B (HAF2) [Arabidopsis Thaliana] (GB:Q6PUA2;GB:Q9LJ62); similar to HAF01 (HISTONE ACETYLTRANSFERASE OF THE TAFII250 FAMILY 1), DNA binding [Arabidopsis thaliana] (TAIR:AT1G32750.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO69722.1); similar to Transcription initiation factor TFIID subunit 1 (TAFII250) (GB:Q67W65); similar to hypothetical protein OsJ_021294 [Oryza sativa (japonica cultivar-group)] (GB:EAZ37811.1); contains InterPro doma