>tr|D4FYC0|D4FYC0_BACNB Anti-sigma F factor OS=Bacillus subtilis subsp. natto GN=spoIIAB MKNEMHLEFSALSQNESFARVTVASFIAQLDPTMDELTEIKTVVSEAVTNAIIHGYEENC EGKVYISVTLEDHVVYMTIRDEGLGITDLEEARQPLFTTKPELERSGMGFTIMENFMDDV SIDSSPEMGTTIRLTKHLSKSKALCN