Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A) Reactions in B6 metabolism. Reaction 1, enzymes involved in the de novo biosynthesis of pyridoxine 5′-phosphate (PNP); Reaction 2, PNP oxidase; Reaction 3, reaction of apo-B6 enzymes with PLP to form active holo-B6 enzymes; Reaction 4, degradation of holo-B6 enzymes to amino acids and PLP; Reaction 5, PLP phosphatase; Reaction 6, PL kinase. B) Structures of B6 vitamers.
