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Literature summary for 1.6.5.10 extracted from

  • Viljoen, C.C.; Cloete, F.; Scott, W.E.
    Isolation and characterization of an NAD(P)H dehydrogenase from the cyanobacterium, Microcystis aeruginosa (1985), Biochim. Biophys. Acta, 827, 247-259.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
1,10-phenanthroline 1 mM, 72% inhibition Microcystis aeruginosa
1-(2-thenoyl)-3,3,3-trifluoracetone 1 mM, 89% inhibition Microcystis aeruginosa
2,4-dinitrophenol 1 mM, 86% inhibition Microcystis aeruginosa
8-hydroxyquinoline 0.3 mM, 80% inhibition Microcystis aeruginosa
ATP 0.2 mM, 75% inhibition Microcystis aeruginosa
EDTA 0.15 mM, 80% inhibition Microcystis aeruginosa

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Microcystis aeruginosa
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
5100
-
8 * 5100, SDS-PAGE Microcystis aeruginosa
60260
-
enzyme form DII, gel filtration Microcystis aeruginosa
66070
-
enzyme form DI, gel filtration Microcystis aeruginosa

Organism

Organism UniProt Comment Textmining
Microcystis aeruginosa
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Microcystis aeruginosa

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
90300 units/mg, 1 unit is defined as that amount of enzyme causing an absorption change of 0.001 units/min at the specific wavelength Microcystis aeruginosa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1,4-naphthoquinone + NADPH + H+ specific for NADPH Microcystis aeruginosa 1,4-naphthoquinol + NADP+
-
?
2-methyl-1,4-naphthoquinone + NADPH + H+ i.e. menadione, specific for NADPH Microcystis aeruginosa 2-methyl-1,4-naphthoquinol + NADP+
-
?
2-methyl-5-hydroxy-1,4-naphthoquinone + NADPH + H+
-
Microcystis aeruginosa 2-methyl-5-hydroxy-1,4-naphthoquinol + NADP+
-
?
5-hydroxy-1,4-naphthoquinone + NADPH + H+
-
Microcystis aeruginosa 5-hydroxy-1,4-naphthoquinol + NADP+
-
?
benzoquinone + NADPH specific for NADPH Microcystis aeruginosa benzohydroquinone + NADP+
-
?
oxidized 2,6-dichlorophenolindophenol + NADPH + H+ very low activity with NADH Microcystis aeruginosa reduced 2,6-dichlorophenolindophenol + NAD(P)+
-
?

Subunits

Subunits Comment Organism
octamer 8 * 5100, SDS-PAGE Microcystis aeruginosa

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Microcystis aeruginosa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9 9.5
-
Microcystis aeruginosa

Cofactor

Cofactor Comment Organism Structure
NADPH very low activity with NADH Microcystis aeruginosa