>sp|Q31UN6|ATPF_SHIBS ATP synthase subunit b OS=Shigella boydii serotype 4 GN=atpF MNLNATILGQAIAFVLFVLFCMKYVWPPLMAAIEKRQKEIADGLASAERAHKDLDLAKAS ATDQLKKAKAEAQVIIEQANKRRSQILDEAKAEAEQERTKIVAQAQAEIEAERKRAREEL RKQVAILAVAGAEKIIERSVDEAANSDIVDKLVAEL