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2.7.1.20: adenosine kinase

This is an abbreviated version!
For detailed information about adenosine kinase, go to the full flat file.

Word Map on EC 2.7.1.20

Reaction

ATP
+
adenosine
=
ADP
+
AMP

Synonyms

adenosine kinase (phosphorylating), ADK, AdK-L, AdK-S, Ado kinase, AdoK, AK, ATP:adenosine 5'-phosphotransferase, CpAK, hADK, kinase, adenosine (phosphorylating), LdAdK, MGG_06270, Rv2202c, Tb927.6.2360, TbAK

ECTree

     2 Transferases
         2.7 Transferring phosphorus-containing groups
             2.7.1 Phosphotransferases with an alcohol group as acceptor
                2.7.1.20 adenosine kinase

General Stability

General Stability on EC 2.7.1.20 - adenosine kinase

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GENERAL STABILITY
ORGANISM
UNIPROT
LITERATURE
0.15 M KCl stabilizes, rapid inactivation at low salt concentrations, DTT reverses
-
at 1 mg protein/ml stable upon repeated freeze-thawing
-
ATP or GTP stabilizes during gel filtration
-
bovine serum albumin stabilizes
does not withstand dialysis against Tris-dithioerythritol buffer, pH 8, with or without 1 mM ATP
-
glycerol stabilizes
-
GSH, 2-mercaptoethanol, Mg2+ and adenosine do not stabilize
-
purified enzyme preparation is stable in the concentrated form
-
rapid inactivation in aqueous solution
-
repeated freezing inactivates
stable when thawed and refrozen
-
unstable upon ammonium sulfate fractionation or adsorption on aluminium oxide or calcium phosphate gel
-
very unstable in dilute solution. Addition of albumin to reaction mixture in dilute enzyme preparations increases activity. MgATP2-, 1 mM, adenosine 5 mM, and 20% glycerol stabilize on a short term basis at 4ºC. Repeated freeze-thawing inactivates dilute enzyme solutions
-