Abstract
A novel enzyme system, myo-inositol-1-phosphate dehydrogenase, has been isolated from germinating mung bean seeds. The dehydrogenation and cleavage of myo-inositol 1-phosphate by this enzyme leads to the synthesis of a pentose phosphate which appears to be ribulose 5-phosphate. The pH optimum of the enzyme is 8.6; NAD+ is required as coenzyme and no other nucleotides can replace NAD+. Mono- or divalent cations are not essential for the enzyme activity. Stoichiometry of the reaction suggests that 2 mol of NAD+ are reduced per mol of ribulose-5-P generated.
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Claims 6
Claim · model-written summary
A novel myo-inositol-1-phosphate dehydrogenase was isolated from germinating mung bean seeds.
- Taxon
- mung bean
.jpg?width=60)
Vigna radiatae0 - Organ / stage
- germinating mung bean seedse0
- Gene
- myo-inositol-1-phosphate dehydrogenasee0
- Outcome
- has been isolatede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“A novel enzyme system, myo-inositol-1-phosphate dehydrogenase, has been isolated from germinating mung bean seeds.”
Claim · model-written summary
The enzyme dehydrogenates and cleaves myo-inositol 1-phosphate to produce a pentose phosphate appearing to be ribulose 5-phosphate.
- Taxon
- mung beanVigna radiatae1
- Gene
- this enzymee0
- Outcome
- synthesis of a pentose phosphate which appears to be ribulose 5-phosphatee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dehydrogenation and cleavage of myo-inositol 1-phosphate by this enzyme leads to the synthesis of a pentose phosphate which appears to be ribulose 5-phosphate.”
e1“germinating mung bean seeds”
Claim · model-written summary
The enzyme has a pH optimum of 8.6.
- Taxon
- mung beanVigna radiatae1
- Outcome
- pH optimume0
- Value
- 8.6e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The pH optimum of the enzyme is 8.6”
e1“germinating mung bean seeds”
Claim · model-written summary
NAD+ is required as the enzyme coenzyme, and other nucleotides cannot replace it.
- Taxon
- mung beanVigna radiatae1
- Outcome
- NAD+ is required as coenzyme and no other nucleotides can replace NAD+e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NAD+ is required as coenzyme and no other nucleotides can replace NAD+”
e1“germinating mung bean seeds”
Claim · model-written summary
Mono- and divalent cations are not essential for enzyme activity.
- Taxon
- mung beanVigna radiatae1
- Outcome
- Mono- or divalent cations are not essential for the enzyme activitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mono- or divalent cations are not essential for the enzyme activity.”
e1“germinating mung bean seeds”
Claim · model-written summary
Reaction stoichiometry suggests reduction of 2 mol NAD+ per mol ribulose-5-P generated.
- Taxon
- mung beanVigna radiatae1
- Outcome
- NAD+ are reduced per mol of ribulose-5-P generatede0
- Value
- 2 mole0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stoichiometry of the reaction suggests that 2 mol of NAD+ are reduced per mol of ribulose-5-P generated.”
e1“germinating mung bean seeds”