>sp|A6UT21|HIS3_META3 Phosphoribosyl-AMP cyclohydrolase OS=Methanococcus aeolicus (strain ATCC BAA-1280 / DSM 17508 / OCM 812 / Nankai-3) OX=419665 GN=hisI PE=3 SV=1
MEIEKMIKQLNPKFRNIDGKKLLIAIAIDEDKTVLMTAFMDEEALKTTLETGYMHYYSTS
RDKIWRKGEESGNVQKVKEIYADCDKDALLFVVEQKGWACHENYYTCFHYKLNLKNNDIE
IVGENMVNKY