>tr|A0A7D5HKC7|A0A7D5HKC7_9POAL Cytochrome b559 subunit alpha OS=Elymus ciliaris GN=psbE MSGSTGERSFADIITSIRYWVIHSITIPSLFIAGWLFVSTGLAYDVFGSPRPNEYFTESR QGIPLITDRFDSLEQLDEFSRSF