protein binding / zinc ion binding. similar to PHD finger family protein [Arabidopsis thaliana] (TAIR:AT4G10600.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO62897.1); contains InterPro domain Zinc finger, RING/FYVE/PHD-type (InterPro:IPR013083); contains InterPro domain Zinc finger, PHD-type; (InterPro:IPR001965); contains InterPro domain Zinc finger, FYVE/PHD-type; (InterPro:IPR011011)