>4u3f_G mol:protein length:81 Mitochondrial ubiquinol-cytochrome c reductase ubiquinone-binding protein qp-cGIHFGNLARVRHIITYSLSPFEQRAIPNIFSDALPNVWRRFSSQVFKVAPPFLGAYLLYSWGTQEFERLKRKNPADYENDQ