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Literature summary for 4.1.3.1 extracted from

  • Eprintsev, A.T.; Shevchenko, M.Y.; Popov, V.N.
    Purification and properties of isocitrate lyase from pupas of the butterfly Papilio machaon L (2004), Biochemistry (Moscow), 69, 376-380.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
additional information no significant change in enzyme activity after incubation with serine, glycine, aspartic and glutamic acids Papilio machaon

Inhibitors

Inhibitors Comment Organism Structure
D-fructose-6-phosphate
-
Papilio machaon
D-Glucose-6-phosphate
-
Papilio machaon
malate competitive mode Papilio machaon
succinate competitive mode Papilio machaon

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.4
-
isocitrate pH 7.5, 25°C Papilio machaon

Metals/Ions

Metals/Ions Comment Organism Structure
additional information no significant change in enzyme activity after incubation with Co2+, Pb2+, Fe2+, Cu2+, Cd2+, Na+, K+, Cl- Papilio machaon

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
13800
-
gel filtration Papilio machaon
68000
-
2 * 68000, SDS-PAGE Papilio machaon

Organism

Organism UniProt Comment Textmining
Papilio machaon
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Papilio machaon

Source Tissue

Source Tissue Comment Organism Textmining
pupa
-
Papilio machaon
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5.5
-
pH 7.5, 25°C Papilio machaon

Storage Stability

Storage Stability Organism
4°C, 0.1 M Tris-HCl (pH 7.5), 3 mM 2-mercaptoethanol or 6 mM DTT, 5 mM MgCl2, 25% glycerol, 5 days, 10% loss of activity, 30 days, 75% loss of activity Papilio machaon

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
isocitrate
-
Papilio machaon succinate + glyoxylate
-
?

Subunits

Subunits Comment Organism
dimer 2 * 68000, SDS-PAGE Papilio machaon

Synonyms

Synonyms Comment Organism
ICL
-
Papilio machaon

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Papilio machaon

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.06
-
D-fructose-6-phosphate
-
Papilio machaon
0.3
-
D-Glucose-6-phosphate
-
Papilio machaon
1
-
malate
-
Papilio machaon
1.8
-
succinate
-
Papilio machaon