>sp|Q9XQU7|CYB6_HETTR Cytochrome b6 OS=Heterocapsa triquetra GN=petB MGFIYDWSEERLEIQSIADDILSKFVPSHVNIFYCFGGIVLTAFIFQGASGFALTIYYRP TVVEAFSSIQLILYHVNLGWFIRSIHRWSSGCMVLVLILHISRVYLTGGFKKPRELTWIS GVILAVVTVSFGVTGYSLPWDQIGYWACKIVTAVPEALDDLLPGAGKLLVLTLRGGFSVG QTTLTRLYSIHTFVLPLVTLVLLIVHFSLLRKQGISGPL