>tr|A0A9D9BRF7|A0A9D9BRF7_PROMR Cytochrome b6-f complex subunit 4 OS=Prochlorococcus marinus CUG1433 GN=petD MSTLKKPDLSDPKLRAKLAKGMGHNYYGEPAWPNDLLYIFPVVILGTIACVVGLAVLDPA MLGDKANPFATPLEILPEWYLYPVFQILRVVPNKLLGIALQTLIPLGLMILPFIENVNKF SNPFRRPIAMSVFLFGTFLTIYLGIGACLPIDKSLTLGLF