zinc finger (C3HC4-type RING finger) family protein. similar to BB (BIG BROTHER), protein binding / zinc ion binding [Arabidopsis thaliana] (TAIR:AT3G63530.2); similar to BB (BIG BROTHER), protein binding / zinc ion binding [Arabidopsis thaliana] (TAIR:AT3G63530.1); similar to Os09g0535100 [Oryza sativa (japonica cultivar-group)] (GB:NP_001063778.1); similar to hypothetical protein OsI_029129 [Oryza sativa (indica cultivar-group)] (GB:EAZ07897.1); contains InterPro domain Zinc finger, RING/FYVE/PHD-type (InterPro:IPR013083); contains InterPro domain Zinc finger, RING-type; (InterPro:IPR001841)