>tr|A0A6N0GR63|A0A6N0GR63_9CARY Cytochrome b559 subunit alpha OS=Rheum pumilum GN=psbE MSGSTGERSFADIITSIRYWVIHSITIPSLFIAGWLFVSTGLAYDVFGSPRPNEYFTESR QGIPLITGRFDSLEQLDEFSRSF