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Information on EC 1.1.99.9 - pyridoxine 5-dehydrogenase

for references in articles please use BRENDA:EC1.1.99.9

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The enzyme appears in viruses and cellular organisms

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1.1.99.9

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pyridoxine 5-dehydrogenase

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pyridoxine + acceptor = isopyridoxal + reduced acceptor

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oxidation

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redox reaction

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reduction

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Vitamin B6 metabolism

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pyridoxine:acceptor 5-oxidoreductase

A flavoprotein (FAD).

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Show Synonyms (6 entries)

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9023-39-6

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Arthrobacter sp.

Cr-7, inducible enzyme

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Manually annotated by BRENDA team

Pseudomonas sp.

IA

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-

Manually annotated by BRENDA team

Pseudomonas sp. IA

IA

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-

Manually annotated by BRENDA team

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4-deoxypyridoxine + acceptor

3-hydroxy-2-methylpyridine-5-carboxaldehyde + reduced acceptor

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Arthrobacter sp.

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18% of activity with pyridoxine

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?

pyridoxal + acceptor

3-hydroxy-2-methylpyridine-4,5-dicarbaldehyde + reduced acceptor

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Arthrobacter sp.

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29% of activity with pyridoxine

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?

pyridoxamine + acceptor

4-aminomethyl-5-formyl-2-methylpyridin-3-ol + reduced acceptor

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pyridoxine + acceptor

isopyridoxal + reduced acceptor

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pyridoxine + acceptor

isopyridoxal + reduced acceptor

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Arthrobacter sp.

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utilization of pyridoxine as sole source of carbon and nitrogen

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?

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FAD

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4-pyridoxic acid

Arthrobacter sp.

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Cu2+

Arthrobacter sp.

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Dithionitrobenzoic acid

Arthrobacter sp.

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Hg2+

Arthrobacter sp.

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Isopyridoxal

Arthrobacter sp.

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N-ethylmaleimide

Arthrobacter sp.

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Ni2+

Arthrobacter sp.

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p-chloromercuribenzoate

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pyridoxal

Arthrobacter sp.

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pyridoxamine

Arthrobacter sp.

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sulfhydryl reagents

Arthrobacter sp.

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Zn2+

Arthrobacter sp.

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additional information

Pseudomonas sp.

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not inhibited by alpha,alpha'-dipyridyl, o-, m- or p-phenanthroline

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0.28

O2

Arthrobacter sp.

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0.18 - 0.48

pyridoxine

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22

pyridoxine

Arthrobacter sp.

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acceptor O2

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11.9

Arthrobacter sp.

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-

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5.5

Pseudomonas sp.

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7 - 8.3

Arthrobacter sp.

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pyridoxine + O2, Tris buffer, phosphate buffer

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5 - 7

Pseudomonas sp.

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pH 5.0: about 30% of activity maximum, pH 7.0: 17% of activity maximum

6.4 - 9.5

Arthrobacter sp.

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activity at pH 9.5 in Tris is about 70% of that at pH 7.3 while activities at pH 6.4 and pH 6.0 in phosphate buffer are about 75% and 0% respectively of that at pH 7.3

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Arthrobacter sp.

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Manually annotated by BRENDA team

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58600

Arthrobacter sp.

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2 * 58600, SDS-PAGE

112000

Arthrobacter sp.

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gel filtration

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dimer

Arthrobacter sp.

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2 * 58600, SDS-PAGE

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-

Arthrobacter sp.

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partial

Pseudomonas sp.

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Show References (2 entries)

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NCBI: PubMed, Protein, Nucleotide, Structure, Genome, OMIM

IUBMB Enzyme Nomenclature

PROSITE Database of protein families and domains

InterPro (database of protein families, domains and functional sites)