>6qc2_B4 mol:protein length:128 NADH:ubiquinone oxidoreductase subunit B4SFPKYEPSRLASLPTTLDPAEYDISSETRKAQAERLAIRSRLKREYQLQYNDPSRRGVVEDPALIRWTCARSANVYPNFRPNTKTSLLGALFGIGPLIFWYYVFKTDRDRKEKLIQEGKLDRTFNISY