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Literature summary for 2.7.7.33 extracted from

  • Lindqvist, L.; Kaiser, R.; Reeves, P.R.; Lindberg, A.A.
    Purification, characterization, and high performance liquid chromatography assay of Salmonella glucose-1-phosphate cytidylyltransferase from the cloned rfbF gene (1994), J. Biol. Chem., 269, 122-126.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
-
Salmonella enterica

Inhibitors

Inhibitors Comment Organism Structure
CDPglucose product inhibition, competitive with respect to CTP, kinetics Salmonella enterica
diphosphate product inhibition, kinetics Salmonella enterica

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.11
-
CTP pH 8, 37°C Salmonella enterica
0.28
-
CTP pH 8, 37°C Salmonella enterica
0.64
-
alpha-D-glucose 1-phosphate pH 8, 37°C Salmonella enterica
1.89
-
diphosphate pH 8, 37°C Salmonella enterica

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
29035
-
x * 29035, calculated from amino acid composition deduced from nucleotide sequence, x * 31000, SDS-PAGE Salmonella enterica
31000
-
x * 29035, calculated from amino acid composition deduced from nucleotide sequence, x * 31000, SDS-PAGE Salmonella enterica

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
CTP + D-glucose 1-phosphate Salmonella enterica first of five enzymes committed to CDP-D-abequose biosynthesis ?
-
r

Organism

Organism UniProt Comment Textmining
Salmonella enterica
-
LT2, ecombinant, overproducing strain P9254
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
10.3
-
-
Salmonella enterica

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
CTP + alpha-D-glucose 1-phosphate best substrates Salmonella enterica diphosphate + CDPglucose
-
r
CTP + alpha-D-glucose 1-phosphate no substrates in the reverse reaction: ADPglucose, dTDPglucose, UDPglucose Salmonella enterica diphosphate + CDPglucose
-
r
CTP + alpha-D-glucose 1-phosphate no substrate in the forward reaction: alpha-D-mannose 1-phosphate, N-acetyl-alpha-D-glucosamine 1-phosphate Salmonella enterica diphosphate + CDPglucose
-
r
CTP + alpha-D-glucose 1-phosphate no substrate in the forward reaction: dTTP, alpha-D-galactose 1-phosphate Salmonella enterica diphosphate + CDPglucose
-
r
CTP + alpha-D-glucose 1-phosphate no substrate in the forward reaction: ATP, GTP Salmonella enterica diphosphate + CDPglucose
-
r
CTP + alpha-D-glucose 1-phosphate catalyzes bimolecular group transfer reaction Salmonella enterica diphosphate + CDPglucose
-
r
CTP + alpha-D-glucose 1-phosphate no substrates in the reverse reaction: UDPgalactose, UDP-D-mannose, UDP-N-acetyl-D-glucosamine, dTDP-L-rhamnose Salmonella enterica diphosphate + CDPglucose
-
r
CTP + alpha-D-glucose 1-phosphate no substrate in the forward reaction: D-ribose 1-phosphate Salmonella enterica diphosphate + CDPglucose
-
r
CTP + alpha-D-xylose 1-phosphate poor substrate Salmonella enterica diphosphate + CDPxylose
-
?
CTP + D-glucosamine 1-phosphate reaction at about 15% the rate with glucose 1-phosphate Salmonella enterica diphosphate + CDPglucosamine
-
?
CTP + D-glucose 1-phosphate first of five enzymes committed to CDP-D-abequose biosynthesis Salmonella enterica ?
-
r
UTP + alpha-D-glucose 1-phosphate poor substrate Salmonella enterica diphosphate + UDP-glucose
-
?

Subunits

Subunits Comment Organism
? x * 29035, calculated from amino acid composition deduced from nucleotide sequence, x * 31000, SDS-PAGE Salmonella enterica

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Salmonella enterica