protein binding / zinc ion binding. similar to protein binding / zinc ion binding [Arabidopsis thaliana] (TAIR:AT1G77770.1); similar to protein binding / zinc ion binding [Arabidopsis thaliana] (TAIR:AT1G77770.2); similar to unnamed protein product [Vitis vinifera] (GB:CAO61799.1); contains InterPro domain Protein of unknown function DUF1644 (InterPro:IPR012866); contains InterPro domain Zinc finger, RING-type; (InterPro:IPR001841)