2017년 6월 27일 화요일

3-hydroxy-2-methyl pyridinecarboxylic acid dioxygenase

3-hydroxy-2-methyl pyridinecarboxylic acid dioxygenase

3-hydroxy-2-methyl pyridinecarboxylic acid dioxygenase (3-hydroxy-2-methylpyridinecarboxylate dioxygenase) is an oxidation-reduction enzyme catalyzing the next chemical reaction in one of the vitamin B6 metabolism enzymes.

3-hydroxy-2-methyl pyridinecarboxylic acid dioxygenase
Identifier
EC number 1.14.12.4
CAS registration number 37,256-69-2
Database
IntEnz IntEnz view
BRENDA (English version) BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structure RCSB PDB PDBe PDBsum
Gene オントロジー AmiGO / EGO
3-hydroxy-2-methyl pyridine-5-carboxylic acid + NAD(P)H + H+ + O2 2-(acetamidomethylene) succinic acid + NAD(P)+

According to the equation, as for the substrate of this enzyme, 3-hydroxy-2-methyl pyridine-5-carboxylic acid and NADH (or NADPH) and H+ and O2, a product are 2-(acetamidomethylene) succinic acid and NAD+ (or NADP+). I use FAD as cofactor.

The organization name is 3-hydroxy-2-methylpyridine-5-carboxylate,NAD(P)H:oxygen oxidoreductase (decyclizing), and another name has methylhydroxypyridinecarboxylate oxidase, 2-methyl-3-hydroxypyridine 5-carboxylic acid dioxygenase, methylhydroxypyridine carboxylate dioxygenase, 3-hydroxy-3-methylpyridinecarboxylate dioxygenase [incorrect].

References

  • Sparrow LG, Ho PP, Sundaram TK, Zach D, Nyns EJ, Snell EE (1969). "The bacterial oxidation of vitamin B6. VII. Purification, properties, and mechanism of action of an oxygenase which cleaves the 3-hydroxypyridine ring." J. Biol. Chem. 244 (10): 2590–600. PMID 4306031. 

This article is taken from the Japanese Wikipedia 3-hydroxy-2-methyl pyridinecarboxylic acid dioxygenase

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