Salvage - Sepiapterin is reduced to q-BH2
NADPH + sepiapterin + H+ → q-BH2 + NADP+
- Reactome
- R-HSA-1497869
- Compartment
- cytosol
- Rhea
- RHEA:18955
Inputs
- NADPHCHEBI:57783, C21H26N7O17P3, cytosol
- sepiapterinCHEBI:194527, C9H11N5O3, cytosol
- H+CHEBI:15378, H, cytosol
Outputs
- q-BH2CHEBI:43029, C9H13N5O3, cytosol
- NADP+CHEBI:58349, C21H25N7O17P3, cytosol
Catalysed by
- sepiapterin reductase (NADP+) activity of p-SPR dimer [cytosol]EC 1.1.1.153
Literature
- Cellular uptake of sepiapterin and push-pull accumulation of tetrahydrobiopterin Mol Genet Metab, 2008