>4w9z_A mol:protein length:139 Cytochrome c oxidase subunit 2MVPKADLTIKATGKQWYWSYAYPDNGKFEFDSLMAQDKQPRLLGVDNEMVVPVNKVIRVQVTGADVIHAFALPAFGVKIDAIPGRLNETWFKAAKTGMFYGQCSELCGKDHAFMPIAIRVVEDKEFASWVETAKKKFAS