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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: J Cell Biochem. 2016 Dec 13;118(7):1678–1688. doi: 10.1002/jcb.25825

Figure. 1. Reactions catalyzed by pipecolate oxidase and proline dehydrogenase.

Figure. 1

(A) Pipecolate oxidase (PIPOX) catalyzes the oxidation of L-pipecolate (Pipe) to Δ1-piperideine-6-carboxylate (P6C). P6C spontaneously hydrolyzes to form α-aminoadipic semialdehyde (AAS). (B) In an analogous reaction, proline dehydrogenase (PRODH) catalyzes the oxidation of L-proline (Pro) to Δ1-pyrroline-5-carboxylate (P5C), which spontaneously hydrolyzes to glutamate γ-semialdehyde (GSA).