>sp|Q54710|PETD_SYNE7 Cytochrome b6-f complex subunit 4 OS=Synechococcus elongatus (strain PCC 7942) GN=petD PE=3 SV=1 MSILKKPDLSDPILRQKLAKGMGHNYYGEPAWPNDLLYMFPVVILGTIACLTGLAVLDPALVGEPADPFATPLEILPEWY LYPVFQILRIVPNKLLGIVLQSMIPLGLIAIPFIESVNKFQNPFRRPIATAVFLFGTVFTLYLGIGAALPIDKSLTLGLF