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Literature summary for 1.6.5.10 extracted from

  • Jagendorf, A.T.
    Chloroplast TPNH diaphorase (1963), Methods Enzymol., 6, 430-434.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
2'-AMP
-
Spinacia oleracea
Co2+ 0.5 mM Spinacia oleracea
HgCl2 0.02 mM Spinacia oleracea
iodoacetate 3 mM Spinacia oleracea
PCMB 0.1 mM Spinacia oleracea
Zn2+ 0.5 mM Spinacia oleracea

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.006
-
NADPH
-
Spinacia oleracea

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast
-
Spinacia oleracea 9507
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
30000 40000 ultracentrifugal analysis Spinacia oleracea

Organism

Organism UniProt Comment Textmining
Spinacia oleracea
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Spinacia oleracea
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
28.1
-
-
Spinacia oleracea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
NADH + H+ + acceptor no activity Spinacia oleracea NAD+ + reduced acceptor
-
?
NADPH + acceptor acceptor: ferricyanide Spinacia oleracea NADP+ + reduced acceptor
-
?
NADPH + acceptor acceptor: menadione Spinacia oleracea NADP+ + reduced acceptor
-
?
NADPH + acceptor acceptor: benzoquinone Spinacia oleracea NADP+ + reduced acceptor
-
?
NADPH + acceptor acceptor: ferric chloride Spinacia oleracea NADP+ + reduced acceptor
-
?
NADPH + acceptor acceptor: methylene blue Spinacia oleracea NADP+ + reduced acceptor
-
?
NADPH + acceptor acceptor: FMN Spinacia oleracea NADP+ + reduced acceptor
-
?
NADPH + acceptor aceptor: 1,10-phenanthroline Spinacia oleracea NADP+ + reduced acceptor
-
?
NADPH + acceptor 2,3',6-trichlorophenolindophenol is reduced to leuco-2,3',6-trichlorophenolindophenol Spinacia oleracea NADP+ + reduced acceptor
-
?

Cofactor

Cofactor Comment Organism Structure
FAD one FAD per enzyme molecule of 35000 Da Spinacia oleracea
NADPH
-
Spinacia oleracea