Adenylyl-molybdopterin + Hydrogen Ion + Molybdate → Adenosine monophosphate + Water + molybdenum cofactor
Cytidine triphosphate + Hydrogen Ion + molybdenum cofactor → Cytidylyl molybdenum cofactor + Pyrophosphate
Guanosine triphosphate → Cyclic pyranopterin monophosphate + Pyrophosphate
Cyclic pyranopterin monophosphate + Water + thiocarboxylated small subunit of molybdopterin synthase → 4 Hydrogen Ion + Molybdopterin + 2 thiocarboxylated small subunit of molybdopterin synthase
Adenosine triphosphate + Hydrogen Ion + Molybdopterin → Adenylyl-molybdopterin + Pyrophosphate
(2-amino-4-hydroxy-7,8-dihydropteridin-6-yl)methyl diphosphate
GTP Degradation and Molybdenum Cofactor Biosynthesis
thiocarboxylated small subunit of molybdopterin synthase
7,8-dihydroneopterin 3'-triphosphate + Water → 7,8-dihydroneopterin 3'-phosphate + Hydrogen Ion + Pyrophosphate
Guanosine triphosphate + Water → 7,8-dihydroneopterin 3'-triphosphate + Formic acid + Hydrogen Ion
6-hydroxymethyl-7,8-dihydropterin + Adenosine triphosphate → (2-amino-4-hydroxy-7,8-dihydropteridin-6-yl)methyl diphosphate + Adenosine monophosphate + Hydrogen Ion
7,8-Dihydroneopterin → 6-hydroxymethyl-7,8-dihydropterin + Glycolaldehyde
7,8-dihydroneopterin 3'-phosphate + Water → 7,8-Dihydroneopterin + Phosphate