Compound as reactive (3)
2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
→ H
2
O + 7,8-dihydroneopterin 3'-phosphate
NAD
+
+ 2,5-diamino-6-(5-phospho-D-ribitylamino)pyrimidin-4(3H)-one ←
2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
+ NADH + H
+
H
2
O +
2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
+ H
+
→ 5-amino-6-(5-phospho-D-ribosylamino)uracil + ammonium
Compound as product (3)
H
2
O + 2-amino-5-formylamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one →
2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
+ formate + H
+
3 H
2
O + GTP → 2 H
+
+
2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
+ formate + diphosphate
2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
+ NAD(P)H + H
+
← NAD(P)+ + 2,5-diamino-6-(5-phospho-D-ribitylamino)pyrimidin-4(3H)-one
Reversible reaction (1)
NADP
+
+ 2,5-diamino-6-(5-phospho-D-ribitylamino)pyrimidin-4(3H)-one ↔
2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
+ NADPH + H
+