vitamin B6 degradation
Yokochi N, Nishimura S, Yoshikane Y, Ohnishi K, Yagi T. Identification of a new tetrameric pyridoxal 4-dehydrogenase as the second enzyme in the degradation pathway for pyridoxine in a nitrogen-fixing symbiotic bacterium, Mesorhizobium loti. Archives of Biochemistry and Biophysics. 2006 Aug;452(1):1–8. doi: 10.1016/j.abb.2006.06.002.; Burg RW, Rodwell VW, Snell EE. Bacterial Oxidation of Vitamin B6. Journal of Biological Chemistry. 1960 Apr;235(4):1164–9. doi: 10.1016/s0021-9258(18)69498-0.
Metabolites
Enzyme
| EC Number | name | full name | note |
|---|---|---|---|
| 1.1.1.107 | pyridoxal 4-dehydrogenase | pyridoxal:NAD+ 4-oxidoreductase | |
| 1.1.99.42 | 4-pyridoxic acid dehydrogenase | 4-pyridoxate:acceptor 5-oxidoreductase | |
| 1.2.1.100 | 5-formyl-3-hydroxy-2-methylpyridine 4-carboxylic acid 5-dehydrogenase | 5-formyl-3-hydroxy-2-methylpyridine-4-carboxylate:NAD+ 5-oxidoreductase | |
| 2.6.1.30 | pyridoxamine-pyruvate transaminase | pyridoxamine:pyruvate aminotransferase | |
| 3.1.1.27 | 4-pyridoxolactonase | 4-pyridoxolactone lactonohydrolase | |
| 3.5.1.29 | 2-(acetamidomethylene)succinate hydrolase | 2-(acetamidomethylene)succinate amidohydrolase (deaminating, decarboxylating) | |
| 4.1.1.51 | 3-hydroxy-2-methylpyridine-4,5-dicarboxylate 4-decarboxylase | 3-hydroxy-2-methylpyridine-4,5-dicarboxylate 4-carboxy-lyase (3-hydroxy-2-methylpyridine-5-carboxylate-forming) |
Proteins
| Protein ID | name | full name |
|---|---|---|
| Q988B7 | pldh-t | Pyridoxal 4-dehydrogenase |
| Q988B8 | ppaT | Pyridoxamine--pyruvate transaminase |
| Q988B9 | PDLA_RHILO | 4-pyridoxolactonase |
| Q988C8 | fhmpcd1 | 5-formyl-3-hydroxy-2-methylpyridine 4-carboxylate 5-dehydrogenase |
| Q988C9 | padh1 | 4-pyridoxate dehydrogenase |
| Q988D0 | HMPD_RHILO | 3-hydroxy-2-methylpyridine-4,5-dicarboxylate 4-decarboxylase |
| Q988D4 | AAMHY_RHILO | 2-(acetamidomethylene)succinate hydrolase |