Precursor to metabolite: Pyridoxine to Pyridoxal-5'- phosphate

Pyridoxine is converted to Pyridoxal-5'- phosphate by pyridoxal kinase → PNP oxidase.

Pyridoxine mascot — mnemonic cartoon — Pyridoxine — mascot

The pair

Pyridoxine — Vitamin B6; cofactor for decarboxylases and transaminases, incl. GABA synthesis.
Pyridoxal-5'- phosphate — The active B6 cofactor itself, for pyridoxine-unresponsive PLP-dependent epilepsy.

Pyridoxine · Pyridoxal-5'- phosphate · Open Pyridoxine in the interactive console ↗