Again, vitamin B six is the paradoxyl phosphate that we talked about here. And this is our alpha keto acid. Now, the alpha ketobutyrate then undergoes a decarboxylation step where we essentially remove this carbon dioxide. And the enzyme complex that catalyzed this is alpha keto acid dehydrogenase complex. So we essentially remove this carbon dioxide and we attach a coenzyme A molecule. So we form this ProPanel coenzyme A.