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Literature summary for 2.7.4.3 extracted from

  • Noda, L.
    Nucleoside triphosphate-nucleoside monophosphokinases (1962), The Enzymes,2nd. Ed. (Boyer,P. D. ,ed. ), 6, 139-149.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
L-cysteine activation Oryctolagus cuniculus
sulfhydryl compounds requirement Oryctolagus cuniculus

General Stability

General Stability Organism
dilution inactivates, inert proteins stabilize Oryctolagus cuniculus
high stability towards heat and treatment with acids Oryctolagus cuniculus
inactivation by contact with glass or cellophane Oryctolagus cuniculus

Inhibitors

Inhibitors Comment Organism Structure
EDTA and other complexing agents Oryctolagus cuniculus
F-
-
Oryctolagus cuniculus
KCl 1-2 mM Oryctolagus cuniculus
sulfhydryl reagents
-
Oryctolagus cuniculus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information kinetic properties Oryctolagus cuniculus
0.03
-
ADP3- pH 8, 25°C Oryctolagus cuniculus
0.09 0.092 ADP3- pH 7.5, 30°C Oryctolagus cuniculus
0.27 0.3 ATP
-
Oryctolagus cuniculus
0.5 0.6 AMP
-
Oryctolagus cuniculus
1.58
-
ADP
-
Oryctolagus cuniculus

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ requirement Oryctolagus cuniculus
Mg2+ maximal activity when MgCl2/ADP-ratio: about 0.5 and MgCl2/ATP-ratio: 1 Oryctolagus cuniculus
Mn2+ requirement, about 50% as effective as Mg2+ Oryctolagus cuniculus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
21000
-
muscle, sedimentation and diffusion Oryctolagus cuniculus

Organism

Organism UniProt Comment Textmining
Oryctolagus cuniculus
-
-
-

Reaction

Reaction Comment Organism Reaction ID
ATP + AMP = 2 ADP mechanism Oryctolagus cuniculus

Source Tissue

Source Tissue Comment Organism Textmining
erythrocyte
-
Oryctolagus cuniculus
-
liver
-
Oryctolagus cuniculus
-
muscle
-
Oryctolagus cuniculus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ADP + ADP no substrates: IDP, GDP Oryctolagus cuniculus ATP + AMP
-
r
ADP + ADP no substrate: UDP Oryctolagus cuniculus ATP + AMP
-
r
ADP + ADP no substrates: adenosine tetraphosphate Oryctolagus cuniculus ATP + AMP
-
r
ADP + diphosphate at 0.1% the rate of the natural substrates Oryctolagus cuniculus ATP + phosphate
-
?
ATP + AMP no substrate of the reverse reaction: UDP Oryctolagus cuniculus ADP + ADP
-
r
ATP + AMP no substrates of the reverse reaction: adenosine tetraphosphate Oryctolagus cuniculus ADP + ADP
-
r
ATP + AMP no substrates of the reverse reaction: IDP, GDP Oryctolagus cuniculus ADP + ADP
-
r
ATP + AMP no substrates are ATP/UMP Oryctolagus cuniculus ADP + ADP
-
r
ATP + AMP no substrates are ITP/ADP, ATP/UDP Oryctolagus cuniculus ADP + ADP
-
r
CDP + CDP
-
Oryctolagus cuniculus CTP + CMP
-
?

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
additional information
-
additional information 26300 for formation of ATP at 30°C, 28000 for formation of ATP at 25°C Oryctolagus cuniculus
417
-
ATP 25°C Oryctolagus cuniculus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
broad Oryctolagus cuniculus

pI Value

Organism Comment pI Value Maximum pI Value
Oryctolagus cuniculus muscle enzyme
-
6.1