basic helix-loop-helix (bHLH) family protein. similar to BEE1 (BR ENHANCED EXPRESSION 1), transcription factor [Arabidopsis thaliana] (TAIR:AT1G18400.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO42158.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN76460.1); contains InterPro domain Basic helix-loop-helix dimerisation region bHLH; (InterPro:IPR001092); contains InterPro domain Helix-loop-helix DNA-binding; (InterPro:IPR011598)