>sp|A6UT21|HIS3_META3 Phosphoribosyl-AMP cyclohydrolase OS=Methanococcus aeolicus GN=hisI
MEIEKMIKQLNPKFRNIDGKKLLIAIAIDEDKTVLMTAFMDEEALKTTLETGYMHYYSTS
RDKIWRKGEESGNVQKVKEIYADCDKDALLFVVEQKGWACHENYYTCFHYKLNLKNNDIE
IVGENMVNKY