>tr|A0A2Z5DVY4|A0A2Z5DVY4_BETPN Cytochrome b559 subunit alpha OS=Betula pendula var. carelica GN=psbE MSGSTGERSFADIITSIRYWVIHSITIPSLFIAGWLFVSTGLAYDVFGSPRPNEYFTESR QGIPLITGRFDPLEQLDEFSRSF