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Literature summary for 6.3.4.2 extracted from

  • Koshland jr., D.E.; Levitzki, A.
    CTP synthetase and related enzymes (1974), The Enzymes, 3rd Ed. (Boyer, P. D. , ed. ), 10, 539-559.
No PubMed abstract available
Search for more literature for 6.3.4.2

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
52000
-
 4 * 52000, enzyme exists as tetramer in presence of UTP, Mg2+ and ATP Escherichia coli
105000
-
 dimer, gel filtration Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5.8 6.1
-
 Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + UTP + glutamine
-
 Escherichia coli ADP + phosphate + CTP + Glu
-
 ?
ATP + UTP + NH4+
-
 Escherichia coli ADP + phosphate + CTP
-
 ?

Subunits

Subunits Comment Organism
tetramer 4 * 52000, enzyme exists as tetramer in presence of UTP, Mg2+ and ATP Escherichia coli

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.233
-
 glutamine reaction without GTP Escherichia coli
2.25
-
 NH3 reaction with or without GTP Escherichia coli