>tr|K9XZD1|K9XZD1_STAC7 Cytochrome b6-f complex subunit 6 OS=Stanieria cyanosphaera (strain ATCC 29371 / PCC 7437) OX=111780 GN=Sta7437_4491 PE=4 SV=1 MGGVISFVLIIGLYTGIALGLYFGFRAIKLI