RHA2B (RING-H2 FINGER PROTEIN 2B); protein binding / zinc ion binding. Identical to RING-H2 zinc finger protein RHA2b (RHA2B) [Arabidopsis Thaliana] (GB:Q9ZU51); similar to RHA2A (RING-H2 finger A2A), protein binding / zinc ion binding [Arabidopsis thaliana] (TAIR:AT1G15100.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO42212.1); contains InterPro domain Zinc finger, RING/FYVE/PHD-type (InterPro:IPR013083); contains InterPro domain Zinc finger, RING-type; (InterPro:IPR001841)