>sp|Q3AP13|ATPB_CHLCH ATP synthase subunit beta OS=Chlorobium chlorochromatii GN=atpD MQEGKISQIIGPVVDVDFPEGRLPSILDALTVKREDGSKLVLETQQHLGEERVRTVAMES TDGLVRGMGVVNTGAAIQVPVGAEVLGRMLNVVGDPIDGRGPVNSKKTYSIHRSAPKFED ISTKAEMFETGIKVIDLLEPYSRGGKTGLFGGAGVGKTVLIMELINNIAKQQSGFSVFAG VGERTREGNDLWHEMMESGVIDKTALVFGQMNEPPGARQRVALTGLSIAEYFRDEENRDV LLFVDNIFRFTQAGSEVSALLGRMPSAVGYQPTLATEMGQLQDRIVSTKKGSVTSVQAIY VPADDLTDPAPATAFTHLDATTVLSRSIAELGIYPAVDPLDSTSRILDPNVVGDDHYNTA QAVKQLLQRYKDLQDIIAILGMDELSDEDKLVVSRARKVQRFLSQPFFVAEAFTGLAGKY VKLEDTIKGFKEIIAGKHDKLPENAFYLVGTIEEAIEKAKTL