1.1.1.107: pyridoxal 4-dehydrogenase
This is an abbreviated version!
For detailed information about pyridoxal 4-dehydrogenase, go to the full flat file.
Word Map on EC 1.1.1.107
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1.1.1.107
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pyridoxine
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luteolum
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mesorhizobium
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5'-phosphate
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loti
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chaperonin
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monoclinic
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4-oxidase
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nadp+
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sitting-drop
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4-pyridoxic
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microbacterium
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vapour-diffusion
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analysis
- 1.1.1.107
- pyridoxine
- luteolum
-
mesorhizobium
- 5'-phosphate
- loti
- chaperonin
-
monoclinic
-
4-oxidase
- nadp+
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sitting-drop
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4-pyridoxic
- microbacterium
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vapour-diffusion
- analysis
Reaction
Synonyms
PLDH, pyridoxal dehydrogenase
ECTree
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Substrates Products
Substrates Products on EC 1.1.1.107 - pyridoxal 4-dehydrogenase
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REACTION DIAGRAM
D-arabinose + NAD+
D-arabinono-1,4-lactone + NADH + H+
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pyridine-4-aldehyde + NAD+
4-pyridoxolactone + NADH + H+
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0.9% of the activity against pyridoxal
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4-pyridoxolactone + NADH + H+
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cells coexpressing pyridoxal 4-dehydrogenase and alcohol dehydrogenase show a higher conversion rate than those expressing pyridoxal 4-dehydrogenase alone
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?
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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cells coexpressing pyridoxal 4-dehydrogenase and alcohol dehydrogenase show a higher conversion rate than those expressing pyridoxal 4-dehydrogenase alone
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?
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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PLDH is essential for assimilation of vitamin B6 compounds and is the second step enzyme in the degradation pathway for pyridoxine
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?
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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PLDH is essential for the assimilation of vitamin B6 compounds and the second step enzyme in their degradation pathway
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ir
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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very low activity toward NADP+. 0.16% of the maximal activity obtained with NAD+ is observed when 5.0 mM NADP+ is used. The enzyme does not catalyze the reduction of 4-pyridoxolactone with NADH + H+ to pyridoxal even when a 100fold higher concentration of the enzyme is used for the reverse reaction
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ir
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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via pyridoxal hemiacetal
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ir
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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PLDH is essential for assimilation of vitamin B6 compounds and is the second step enzyme in the degradation pathway for pyridoxine
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?
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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PLDH is essential for the assimilation of vitamin B6 compounds and the second step enzyme in their degradation pathway
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ir
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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very low activity toward NADP+. 0.16% of the maximal activity obtained with NAD+ is observed when 5.0 mM NADP+ is used. The enzyme does not catalyze the reduction of 4-pyridoxolactone with NADH + H+ to pyridoxal even when a 100fold higher concentration of the enzyme is used for the reverse reaction
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ir
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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specific conversion of vitamin B6
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ir
pyridoxal + NAD+
4-pyridoxolactone + NADH + H+
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development and evaluation of a method to determine vitamin B6, pyridoxal, involving the enzyme, overview
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ir
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the enzyme shows less than 0.01% of the activity of pyridoxal toward pyridoxal 5'-phosphate (0.5 mM), pyridoxine (0.8 mM), and pyridoxamine, pyridoxamine 5'-phosphate, 4-phthalaldehyde, 2-nitrobenzaldehyde, 3-nitrobenzaldehyde, 4-nitrobenzaldehyde, pyridine, formaldehyde, and 2-carboxybenzaldehyde (1.0 mM each). The enzyme shows less than 0.01% of the activity of pyridoxal toward DL-glyceraldehyde, D-xylose, L-xylose, D-ribose, D-glucose, D-arabinose, L-arabinose, L-fucose, and D-galactose (250 mM each)
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additional information
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the enzyme shows less than 0.01% of the activity of pyridoxal toward pyridoxal 5'-phosphate (0.5 mM), pyridoxine (0.8 mM), and pyridoxamine, pyridoxamine 5'-phosphate, 4-phthalaldehyde, 2-nitrobenzaldehyde, 3-nitrobenzaldehyde, 4-nitrobenzaldehyde, pyridine, formaldehyde, and 2-carboxybenzaldehyde (1.0 mM each). The enzyme shows less than 0.01% of the activity of pyridoxal toward DL-glyceraldehyde, D-xylose, L-xylose, D-ribose, D-glucose, D-arabinose, L-arabinose, L-fucose, and D-galactose (250 mM each)
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?
additional information
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no substrate: pyridoxal-5-phosphate, pyridoxamine, pyridoxine, 2-nitrobenzaldehyde, 3-nitrobenzaldehyde, 4-nitrobenzaldehyde, o-phthalaldehyde, 5-nitrosalicylaldehyde, 2-carboxybenzaldehyde
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