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Literature summary for 4.1.2.19 extracted from

  • Chiu, T.H.; Evans, K.L.; Feingold, D.S.
    L-Rhamnulose-1-phosphate aldolase (1975), Methods Enzymol., 42C, 264-269.
No PubMed abstract available

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Escherichia coli

General Stability

General Stability Organism
sulfhydryl compounds stabilize Escherichia coli

Inhibitors

Inhibitors Comment Organism Structure
1,10-phenanthroline
-
Escherichia coli
2,2'-dipyridyl
-
Escherichia coli
8-hydroxyquinoline 5-sulfonic acid
-
Escherichia coli
EDTA relieved by Co2+, Zn2+, Mn2+ or Ni2+ Escherichia coli
HgCl2 reversible Escherichia coli
L-Rhamnitol 1-phosphate
-
Escherichia coli
Li+
-
Escherichia coli
p-mercuribenzoate reversible Escherichia coli

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.1
-
L-lactaldehyde
-
Escherichia coli
0.2
-
glycerone phosphate
-
Escherichia coli
0.2
-
L-rhamnulose 1-phosphate
-
Escherichia coli

Metals/Ions

Metals/Ions Comment Organism Structure
Cs+ Na+, Cs+, NH4+, Rb+ and K+, in the order of increasing effectiveness markedly enhance activity Escherichia coli
K+ Na+, Cs+, NH4+, Rb+ and K+, in the order of increasing effectiveness markedly enhance activity Escherichia coli
Na+ Na+, Cs+, NH4+, Rb+ and K+, in the order of increasing effectiveness markedly enhance activity Escherichia coli
NH4+ Na+, Cs+, NH4+, Rb+ and K+, in the order of increasing effectiveness markedly enhance activity Escherichia coli
Rb+ Na+, Cs+, NH4+, Rb+ and K+, in the order of increasing effectiveness markedly enhance activity Escherichia coli
Zn zinc metalloenzyme Escherichia coli
Zn contains 2 gatom of zinc per mol of enzyme Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
140000
-
gel filtration, density gradient centrifugation Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-
Escherichia coli K40
-
-
-

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
6
-
-
Escherichia coli

Storage Stability

Storage Stability Organism
0-4°C, pH 7.0, 0.01 M mercaptoethanol, stable for at least 3 months Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Glycerone phosphate + acetaldehyde
-
Escherichia coli 5-Deoxy-L-xylulose 1-phosphate
-
?
glycerone phosphate + D-glyceraldehyde
-
Escherichia coli D-sorbose 1-phosphate
-
?
glycerone phosphate + D-glyceraldehyde
-
Escherichia coli K40 D-sorbose 1-phosphate
-
?
Glycerone phosphate + formaldehyde
-
Escherichia coli D-Erythrulose 1-phosphate
-
?
Glycerone phosphate + glycolaldehyde
-
Escherichia coli L-Xylulose 1-phosphate
-
?
Glycerone phosphate + glycolaldehyde
-
Escherichia coli K40 L-Xylulose 1-phosphate
-
?
L-Rhamnulose 1-phosphate
-
Escherichia coli Glycerone phosphate + (S)-lactaldehyde
-
?
L-Rhamnulose 1-phosphate
-
Escherichia coli K40 Glycerone phosphate + (S)-lactaldehyde
-
?
L-Sorbose 1-phosphate
-
Escherichia coli Glycerone phosphate + D-glyceraldehyde
-
?
L-Sorbose 1-phosphate
-
Escherichia coli K40 Glycerone phosphate + D-glyceraldehyde
-
?
Xylulose 1-phosphate
-
Escherichia coli Glycerone phosphate + glycoaldehyde
-
?
Xylulose 1-phosphate
-
Escherichia coli K40 Glycerone phosphate + glycoaldehyde
-
?

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
38.3
-
L-rhamnulose 1-phosphate
-
Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Escherichia coli

pH Range

pH Minimum pH Maximum Comment Organism
6.3 9 about 50% of maximal activity at pH 6.3 and at pH 9.0 Escherichia coli