>sp|Q722Y8|HIS3_LISMF Phosphoribosyl-AMP cyclohydrolase OS=Listeria monocytogenes serotype 4b GN=hisI MTSVDFSKGLVPTIILDDQNGDVLMLAYMNEESYQKTLETGYTWFFSRSRNELWNKGATS GHTQKVKQIWTDCDNDTLLIRVTQIGPACHTGKKSCFFNLIKEDF