transcription factor/ transcription regulator. similar to hypothetical protein [Vitis vinifera] (GB:CAN76054.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO66920.1); contains InterPro domain Basic helix-loop-helix dimerisation region bHLH; (InterPro:IPR001092); contains InterPro domain Helix-loop-helix DNA-binding; (InterPro:IPR011598)