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Literature summary for 2.7.4.3 extracted from

  • Ramotar, K.; Pickard, M.A.
    AMP metabolism by the marine bacterium Vibrio (Benecka) natriegens: purification and properties of adenylate kinase (1981), Can. J. Microbiol., 27, 1053-1059.
No PubMed abstract available

General Stability

General Stability Organism
dithiothreitol and 2-mercaptoethanol are not necessary as protecting agents Vibrio natriegens

Inhibitors

Inhibitors Comment Organism Structure
EDTA
-
Vibrio natriegens
IAA
-
Vibrio natriegens
N-ethylmaleimide weak Vibrio natriegens
p-chloromercuriphenylsulfonate
-
Vibrio natriegens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.067
-
ATP 30°C, pH 7.4 Vibrio natriegens
0.114 0.13 AMP
-
Vibrio natriegens
0.45 0.55 ADP 30°C, pH 7.4 Vibrio natriegens

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Vibrio natriegens 5829
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ requirement Vibrio natriegens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
29000
-
gel filtration Vibrio natriegens
32000
-
1 * 32000, SDS-PAGE Vibrio natriegens

Organism

Organism UniProt Comment Textmining
Vibrio natriegens
-
Beneckea, type III
-

Purification (Commentary)

Purification (Comment) Organism
-
Vibrio natriegens

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1450
-
30°C, pH 7.4 Vibrio natriegens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ADP + ADP
-
Vibrio natriegens ATP + AMP
-
r
ATP + AMP no substrates are ATP/IMP Vibrio natriegens ADP + ADP
-
r
ATP + AMP no substrates are ATP/UMP Vibrio natriegens ADP + ADP
-
r
ATP + AMP no substrates are ATP/GMP Vibrio natriegens ADP + ADP
-
r
ATP + dAMP reaction at 46% the rate of AMP Vibrio natriegens ADP + dADP
-
?
dATP + AMP reaction at about 50% the rate of ATP Vibrio natriegens dADP + ADP
-
?

Subunits

Subunits Comment Organism
monomer 1 * 32000, SDS-PAGE Vibrio natriegens

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Vibrio natriegens

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
325
-
ATP
-
Vibrio natriegens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 7.6 broad Vibrio natriegens

pH Range

pH Minimum pH Maximum Comment Organism
5 10 less than 20% of maximal activity at pH 5, 5.5, 6 and pH 9.5 and 10, about half-maximal activity at pH 6.9 and 8.4 Vibrio natriegens
6.9 8.4 about half-maximal activity at pH 6.9 and 8.4 Vibrio natriegens

pI Value

Organism Comment pI Value Maximum pI Value
Vibrio natriegens isoelectric focusing 4.8 4.7