ID   4.2.1.160
DE   2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
DE   isomerase/dehydratase.
CA   2,5-diamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate = 7,8-
CA   dihydroneopterin 3'-phosphate + H2O.
CC   -!- The enzyme participates in a folate biosynthesis pathway in
CC       Chlamydia.
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