>sp|B2V2G9|SP2AB_CLOBA Anti-sigma F factor OS=Clostridium botulinum GN=spoIIAB MYENKMNLEFVSKSQNEAFARVAVAAFIAQLDPTIDEISDVKTAVSEAVTNSIIHGYENK EDGIIKIEVEICDGEVTIEITDNGKGIEDIPKVMEPLYTSRPDLERSGMGFTVMETFMDG LLVESEKEKGTRVRMKKKFNILS