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Literature summary for 3.6.5.2 extracted from

  • Sauvage, C.; Rumigny, J.F.; Maitre, M.
    Purification and characterization of G proteins from human brain: modification of GTPase activity upon phosphorylation (1991), Mol. Cell. Biochem., 107, 65-77.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
5'-p-fluorosulfonylbenzoylguanosine irreversible substrate analogue-binding Homo sapiens
GDP inhibition of binding of GTP[S], Ki: ca. 0.001 mM Homo sapiens
GTP inhibition of GTP[S]-binding at increasing concentrations Homo sapiens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
22000
-
SDS-PAGE Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
GTP + H2O Homo sapiens high affinity for GTP, significant GTPase activity GDP + phosphate
-
ir

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
to homogeneity, chromatography techniques Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.001
-
-
Homo sapiens

Storage Stability

Storage Stability Organism
-80°C, little loss of activity, several weeks Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
GTP + H2O high affinity for GTP, significant GTPase activity Homo sapiens GDP + phosphate
-
ir

Subunits

Subunits Comment Organism
monomer 1 * 22000, SDS-PAGE Homo sapiens

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.001
-
GDP inhibition of binding of GTP[S] Homo sapiens