DNA binding / zinc ion binding. similar to zinc finger (B-box type) family protein [Arabidopsis thaliana] (TAIR:AT3G21890.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO41663.1); contains InterPro domain Zinc finger, B-box; (InterPro:IPR000315); contains InterPro domain Zinc finger, CONSTANS-type; (InterPro:IPR002926)