cofactor for glutathione peroxidase The biochemical pathway that makes BH4 requires GTP as the substrate and three dedicated enzymes (GTP cyclohydrolase I, 6‑pyruvoyl‑tetrahydropterin synthase, and sepiapterin reductase); the key redox cofactors used in the pathway and Cofactor (biochemistry) - Wikipedia
Pay in 4 interest-free payments of $5.78 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7



























