>tr|D4G5Z9|D4G5Z9_BACNB N5-carboxyaminoimidazole ribonucleotide mutase OS=Bacillus subtilis subsp. natto GN=purE MQPLVGIIMGSTSDWETMKHACDILDELNVPYEKKVVSAHRTPDFMFEYAETARERGIKV IIAGAGGAAHLPGMTAAKTTLPVIGVPVQSKALNGMDSLLSIVQMPGGVPVATTSIGKAG AVNAGLLAAQILSAFDEDLARKLDERRENTKQTVLESSDQLV