zinc ion binding. similar to zinc ion binding [Arabidopsis thaliana] (TAIR:AT1G48950.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN80628.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO40356.1); similar to expressed protein [Oryza sativa (japonica cultivar-group)] (GB:ABF99224.1); contains InterPro domain Zinc finger, C3HC-like; (InterPro:IPR012935); contains InterPro domain Proteinase inhibitor I32, inhibitor of apoptosis; (InterPro:IPR001370)