[Term] id: PR:000000004 name: RING-box protein def: "A protein that has a core domain composition consisting of a Zinc finger, C3HC4 type (RING finger)(Pfam:PF00097) domain." [PMID:11573242] comment: Category=family. xref: PIRSF:PIRSF016237 is_a: PR:000000001 ! protein