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Literature summary for 4.2.1.19 extracted from

  • Mano, J.; Hatano, M.; Koizumi, S.; Tada, S.; Hashimoto, M.; Scheidegger, A.
    Purification and properties of a monofunctional imidazoleglycerol-phosphate dehydratase from wheat (1993), Plant Physiol., 103, 733-739.
    View publication on PubMedView publication on EuropePMC

General Stability

General Stability Organism
-80°C, 20 mM triethanolamine-HCl buffer, pH 7.5, 100 mM 2-mercaptoethanol Triticum aestivum

Inhibitors

Inhibitors Comment Organism Structure
3-Amino-1,2,4-triazole
-
Triticum aestivum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.4
-
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate
-
Triticum aestivum

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ 0.5 mM enhances the activity 7fold Triticum aestivum
additional information not activated by Mg2+, Ni2+, Cd2+, Fe2+, Co2+, Fe3+ Triticum aestivum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
25000
-
x * 25000, subunits not linked by disulfide bridges, SDS-PAGE Triticum aestivum
600000
-
gel filtration Triticum aestivum
670000
-
gel electrophoresis Triticum aestivum

Organism

Organism UniProt Comment Textmining
Brassica oleracea
-
cabbage
-
Hordeum vulgare
-
barley
-
Oryza sativa
-
rice
-
Rosa sp.
-
rose
-
Triticum aestivum
-
wheat
-
Zea mays
-
corn
-

Purification (Commentary)

Purification (Comment) Organism
-
Triticum aestivum

Source Tissue

Source Tissue Comment Organism Textmining
germ
-
Triticum aestivum
-
germ
-
Oryza sativa
-
shoot
-
Hordeum vulgare
-
shoot
-
Zea mays
-
shoot
-
Brassica oleracea
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5.7
-
-
Triticum aestivum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate
-
Triticum aestivum 3-(imidazol-4-yl)-2-oxopropyl phosphate + H2O
-
?
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate
-
Hordeum vulgare 3-(imidazol-4-yl)-2-oxopropyl phosphate + H2O
-
?
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate
-
Zea mays 3-(imidazol-4-yl)-2-oxopropyl phosphate + H2O
-
?
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate
-
Brassica oleracea 3-(imidazol-4-yl)-2-oxopropyl phosphate + H2O
-
?
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate
-
Oryza sativa 3-(imidazol-4-yl)-2-oxopropyl phosphate + H2O
-
?
D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate
-
Rosa sp. 3-(imidazol-4-yl)-2-oxopropyl phosphate + H2O
-
?

Subunits

Subunits Comment Organism
polymer x * 25000, subunits not linked by disulfide bridges, SDS-PAGE Triticum aestivum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5 7
-
Triticum aestivum