| pyridoxic acid | <chemical> Chief metabolic product of pyridoxine, pyridoxal, and pyridoxamine in urine. Chemical name: 4-Pyridinecarboxylic acid, 3-hydroxy-5-(hydroxymethyl)-2-methyl- (12 Dec 1998) |
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| 4-pyridoxic acid | The principal product of the metabolism of pyridoxal (-COOH replaces -CHO at position 4), appearing in the urine. (05 Mar 2000) |
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| 4-pyridoxic acid dehydrogenase | <enzyme> From membrane of pseudomonas ma-1; forms 2-methyl-3-hydroxy-5-formylpyridine-4-carboxylic acid; 2,6-dichloroindophenol, phenazine methosulfate and menadione are electron acceptors, while nad, fad and o2 are inactive Registry number: EC 1.1.99.- (26 Jun 1999) |
| 5-pyridoxic acid oxygenase | <enzyme> From arthrobacter cr-7 grown on pyridoxine; forms alpha-hydroxymethyl-alpha'-(n-acetylaminomethylene)succinic acid; uses NADPH + fad; involved in vitamin b6 degradation Registry number: EC 1.4.12.- (26 Jun 1999) |