>sp|C1DHS5|HIS3_AZOVD Phosphoribosyl-AMP cyclohydrolase OS=Azotobacter vinelandii GN=hisI MKDWLDEIHWNADGLVPAIAQDHRTGRILMMAWMNRESLALTVRENRAIYWSRSRGKLWR KGEESGHVQKVHELRLDCDADVIILQVEQLGGIACHTGRESCFYRVFEDGAWKVVDPILK DPDAIYRAGHPHE