protein binding / zinc ion binding. similar to tropomyosin-related [Arabidopsis thaliana] (TAIR:AT5G48160.1); similar to tropomyosin-related [Arabidopsis thaliana] (TAIR:AT5G48160.2); similar to unnamed protein product [Vitis vinifera] (GB:CAO41189.1); similar to Potyvirus VPg interacting protein [Pisum sativum] (GB:AAP22955.1); contains InterPro domain Zinc finger, PHD-type; (InterPro:IPR001965); contains InterPro domain Protein of unknown function DUF1423, plant (InterPro:IPR004082)