DNA binding / transcription factor. similar to bZIP transcription factor family protein [Arabidopsis thaliana] (TAIR:AT3G58120.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN71664.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO39360.1); contains InterPro domain Basic-leucine zipper (bZIP) transcription factor; (InterPro:IPR004827); contains InterPro domain Basic leucine zipper; (InterPro:IPR011700)