>tr|C3SL87|C3SL87_ECOLX ATP synthase subunit b OS=Escherichia coli GN=atpF MNLNATILGQAIAFVLFVLFCMKYVWPPLMAAIEKRQKEIADGLASAERAHKDLDLAKAS ATDQLKKAKAEAQVIIEQANKRRSQILDEAKAEAEQERTKIVAQAQAEIEAERKRAREEL RKQVAILAVAGAEKIIERSVDEAANSDIVDKLVAEL