>sp|A2BT28|ATPF2_PROMS ATP synthase subunit b' OS=Prochlorococcus marinus (strain AS9601) OX=146891 GN=atpF2 PE=3 SV=1 MLAFNFFGATEGGLFDINATLPLMAIQVVALTYILNSLFFKPVGNVVEKREKFVSNNIIE AKNKLSEVKKLEADLLTQLQSARTEAQRIVSEAENESDKLYKEALELANNEANASKEKAR LEIESQTSAARDQLSKQADDLSELIVNRLILEK