>6g2j_m mol:protein length:129 NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 4MSGSKYKPAPLATLPSTLDPAEYDVSPETRRAQVERLSIRARLKREYLLQYNDPKRVSHIEDPALIRWTYARSANIYPNFRPTPKNSLLGAVAGFGPLIFWYYVFKTDRDRKERLIQEGKLDRKFNISY