ID   6.3.4.8
DE   imidazoleacetate--phosphoribosyldiphosphate ligase.
AN   5-phosphoribosylimidazoleacetate synthetase.
CA   imidazole-4-acetate + 5-phospho-alpha-D-ribose 1-diphosphate + ATP +
CA   H2O = 1-(5-phosphoribosyl)imidazole-4-acetate + ADP + phosphate +
CA   diphosphate + H(+).
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