protein binding / zinc ion binding. similar to protein binding / zinc ion binding [Arabidopsis thaliana] (TAIR:AT1G60610.2); similar to protein binding / zinc ion binding [Arabidopsis thaliana] (TAIR:AT1G60610.3); similar to protein binding / zinc ion binding [Arabidopsis thaliana] (TAIR:AT1G60610.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO66101.1); contains InterPro domain Zinc finger, RING-type; (InterPro:IPR001841); contains InterPro domain S-ribonuclease binding protein, SBP1, pollen (InterPro:IPR017066)