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Literature summary for 1.1.1.87 extracted from

  • Gaillardin, C.M.; Ribet, A.M.; Heslot, H.
    Wild-type and mutant forms of homoisocitric dehydrogenase in the yeast Saccharomycopsis lipolytica (1982), Eur. J. Biochem., 128, 489-494.
    View publication on PubMed

General Stability

General Stability Organism
Mg2+ stabilizes Saccharomycopsis lipolytica
Mn2+ stabilizes Saccharomycopsis lipolytica

Inhibitors

Inhibitors Comment Organism Structure
2-oxoadipate
-
Saccharomycopsis lipolytica
homoisocitrate
-
Saccharomycopsis lipolytica
Oxaloglutarate
-
Saccharomycopsis lipolytica

Metals/Ions

Metals/Ions Comment Organism Structure
K+ required for optimal activity Saccharomycopsis lipolytica
Mg2+ required Saccharomycopsis lipolytica
Mn2+ stimulation of oxidative decarboxylation Saccharomycopsis lipolytica

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
48000
-
native or denaturing PAGE Saccharomycopsis lipolytica

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1-hydroxy-1,2,4-butanetricarboxylate + NAD+ Saccharomycopsis lipolytica production of 2-oxoadipic acid, a precursor of lysine biosynthesis 2-oxoadipate + CO2 + NADH
-
?

Organism

Organism UniProt Comment Textmining
Saccharomycopsis lipolytica
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Saccharomycopsis lipolytica

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.304
-
-
Saccharomycopsis lipolytica

Storage Stability

Storage Stability Organism
-20°C, stable as ammonium sulfate precipitate Saccharomycopsis lipolytica
0°C, pH 7.2, rapid loss of activity Saccharomycopsis lipolytica

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-hydroxy-1,2,4-butanetricarboxylate + NAD+
-
Saccharomycopsis lipolytica 2-oxoadipate + CO2 + NADH
-
?
1-hydroxy-1,2,4-butanetricarboxylate + NAD+ production of 2-oxoadipic acid, a precursor of lysine biosynthesis Saccharomycopsis lipolytica 2-oxoadipate + CO2 + NADH
-
?

Subunits

Subunits Comment Organism
dimer 2 * 48000, at high protein concentration or in presence of substrate the enzyme exists as dimer Saccharomycopsis lipolytica
monomer 1 * 48000, native or denaturing PAGE Saccharomycopsis lipolytica

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
20
-
assay at Saccharomycopsis lipolytica

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Saccharomycopsis lipolytica
NADH
-
Saccharomycopsis lipolytica