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Literature summary extracted from

  • Pardo, M.A.; Llama, M.J.; Serra, J.L.
    Purification, properties and enhanced expression under nitrogen starvation of the NADP+-isocitrate dehydrogenase from the cyanobacterium Phormidium laminosum (1999), Biochim. Biophys. Acta, 1431, 87-96.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.1.1.42 2-oxoglutarate substrate inhibition Phormidium laminosum
1.1.1.42 5'-ADP
-
Phormidium laminosum
1.1.1.42 ATP
-
Phormidium laminosum
1.1.1.42 NADPH
-
Phormidium laminosum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.1.1.42 0.022
-
D,L-isocitrate Mn2+-dependent reaction Phormidium laminosum
1.1.1.42 0.024
-
Mn2+ Mn2+-dependent reaction Phormidium laminosum
1.1.1.42 0.032
-
NADP+ Mg2+-dependent reaction Phormidium laminosum
1.1.1.42 0.05
-
NADP+ Mn2+-dependent reaction Phormidium laminosum
1.1.1.42 0.07
-
D,L-isocitrate Mg2+-dependent reaction Phormidium laminosum
1.1.1.42 0.159
-
Mg2+ Mg2+-dependent reaction Phormidium laminosum

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.1.1.42 Mn2+ absolute requirement for divalent cations Phormidium laminosum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.1.1.42 53000
-
alpha2, 2 * 53000, SDS-PAGE Phormidium laminosum
1.1.1.42 107000
-
gel filtration Phormidium laminosum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.1.1.42 isocitrate + NADP+ Phormidium laminosum
-
2-oxoglutarate + NADPH + H+ + CO2
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.1.1.42 Phormidium laminosum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.1.1.42
-
Phormidium laminosum

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.1.1.42 500
-
-
Phormidium laminosum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.1.1.42 isocitrate + NADP+
-
Phormidium laminosum 2-oxoglutarate + NADPH + H+ + CO2
-
?

Subunits

EC Number Subunits Comment Organism
1.1.1.42 dimer alpha2, 2 * 53000, SDS-PAGE Phormidium laminosum

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.1.1.42 55
-
-
Phormidium laminosum

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
1.1.1.42 25 65
-
Phormidium laminosum

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.1.1.42 50
-
fully stable Phormidium laminosum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.1.1.42 8.5
-
-
Phormidium laminosum

Cofactor

EC Number Cofactor Comment Organism Structure
1.1.1.42 NADP+
-
Phormidium laminosum