Reaction

Diphosphate(aq) + Xanthosine 5'-phosphate(aq) 5-Phospho-alpha-D-ribose 1-diphosphate(aq) + Xanthine(aq)

Reaction Gibbs Energy

Estimated Δ_rG'	27.5 ± 4.8 [kJ/mol]
Estimated Δ_rG'^m	27.5 ± 4.8 [kJ/mol]
Estimated Δ_rG'°	27.5 ± 4.8 [kJ/mol] K'_eq = 1.5 × 10^-5
Catalyzed by	xanthine phosphoribosyltransferase [EC 2.4.2.22] hypoxanthine phosphoribosyltransferase [EC 2.4.2.8]
pH
pMg
Ionic strength	M

Reactant Abundances

Diphosphate
5-Phospho-alpha-D-ribose 1-diphosphate
Xanthine
Xanthosine 5'-phosphate