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Literature summary for 3.6.5.1 extracted from

  • Seo, H.S.; Jeong, J.Y.; Nahm, M.Y.; Kim, S.W.; Lee, S.Y.; Bahk, J.D.
    The effect of pH and various cations on the GTP hydrolysis of rice heterotrimeric G-protein alpha subunit expressed in Escherichia coli (2003), J. Biochem. Mol. Biol., 36, 196-200.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Oryza sativa
-
recombinant protein expressed in Escherichia coli
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
GTP + H2O
-
Oryza sativa GDP + phosphate
-
?

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.012
-
GTP 30°C, pH 5, presence of CuCl2, 2 mM Oryza sativa
0.144
-
GTP 30°C, pH 5, presence of NiCl2, 2 mM Oryza sativa
0.186
-
GTP 30°C, pH 5, presence of FeCl2, 2 mM Oryza sativa
0.486
-
GTP 30°C, pH 5, presence of MnCl2, 2 mM Oryza sativa
0.6
-
GTP 30°C, pH 6, presence of CaCl2, 2 mM Oryza sativa
1.14
-
GTP 30°C, pH 6, presence of MgCl2, 2 mM Oryza sativa
1.554
-
GTP 30°C, pH 4, presence of NaCl, 2 mM Oryza sativa
1.74
-
GTP 30°C, pH 4, presence of KCl, 2 mM Oryza sativa
2.118
-
GTP 30°C, pH 4, presence of NH4Cl, 2 mM Oryza sativa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
additional information
-
optimum pH-value depends on kation present Oryza sativa
4
-
in presence of NH4Cl, NaCl, KCl Oryza sativa
5
-
in presence of CuCl2, FeCl2, MnCl2, NiCl2 Oryza sativa
6
-
in presence of CaCl2, MgCl2 Oryza sativa