. "The ubiquinol-cytochrome C reductase complex (cytochrome bc1complex) is a respiratory multienzyme complex [1]. This Pfam family represents the 'hinge' protein of the complex which is thought to mediate formation of the cytochrome c1 and cytochrome c complex. " . "UCR_hinge" . "Ubiquinol-cytochrome C reductase hinge protein" . "Mian N, Bateman A" . "Family" . . . . . . . . . . . . . . . . . . . . . . . . . . . .