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Literature summary for 1.18.1.2 extracted from

  • Masaki, R.; Wada, K.; Matsubara, H.
    Isolation and characterization of two ferredoxin-NADP+ reductases from Spirulina platensis (1979), J. Biochem., 86, 951-962.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information Km value increases with pH Arthrospira platensis
0.0038
-
reduced ferredoxin enzyme II Arthrospira platensis
0.0043
-
reduced ferredoxin enzyme I Arthrospira platensis
0.036
-
oxidized 2,6-dichlorophenolindophenol diaphorase activity enzyme I Arthrospira platensis
0.047
-
oxidized 2,6-dichlorophenolindophenol diaphorase activity enzyme II Arthrospira platensis
0.059
-
NADPH diaphorase activity enzyme I Arthrospira platensis
0.067
-
NADPH diaphorase activity enzyme II Arthrospira platensis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
31970
-
calculated from amino acid composition, enzyme I Arthrospira platensis
32240
-
calculated from amino acid composition, enzyme II Arthrospira platensis
33000
-
gel filtration and SDS-PAGE, ultracentrifugation Arthrospira platensis

Organism

Organism UniProt Comment Textmining
Arthrospira platensis
-
2 forms: FNRS I and FNRS II
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information enzyme has also little NADP-2,6-dichlorophenol indophenol diaphorase activity Arthrospira platensis ?
-
?
additional information enzyme has also NADPH-NAD transhydrogenase activity Arthrospira platensis ?
-
?
additional information enzyme has also NADPH-diaphorase activity Arthrospira platensis ?
-
?
NADPH + H+ + oxidized 2,6-dichlorophenolindophenol
-
Arthrospira platensis NADP+ + reduced 2,6-dichlorophenolindophenol
-
?
oxidized 2,6-dichlorophenolindophenol + NADPH + H+
-
Arthrospira platensis reduced 2,6-dichlorophenolindophenol + NADP+
-
r
reduced ferredoxin + NADP+
-
Arthrospira platensis oxidized ferredoxin + NADPH + H+
-
r

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.1
-
ferredoxin dependent cytochrome c reducing activity Arthrospira platensis
7.9
-
NADP+ photoreduction activity Arthrospira platensis
9.5
-
diaphorase activity Arthrospira platensis