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Literature summary for 2.7.3.2 extracted from

  • Guo, Z.; Wang, Z.; Wang, X.
    Studies on the stability of creatine kinase isozymes (2003), Biochem. Cell Biol., 81, 9-16.
    View publication on PubMed

General Stability

General Stability Organism
isozyme CK-MM is more stable against unfolding by urea up to 3 M, while isozymes CK-BB and CK-MB unfold at lower urea concentrations of 2 M, at 25°C and pH 8.0 Oryctolagus cuniculus

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol isozymes CK-MM, CK-BB, and CK-MB Oryctolagus cuniculus 5829
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + creatine Oryctolagus cuniculus
-
ADP + phosphocreatine
-
r

Organism

Organism UniProt Comment Textmining
Oryctolagus cuniculus
-
isozymes CK-MM, CK-BB, and CK-MB
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Oxidation Stability

Oxidation Stability Organism
freeze drying leads to oxidation of isozyme CK-BB Oryctolagus cuniculus

Renatured (Commentary)

Renatured (Comment) Organism
freeze drying leads to rearrangement of isozyme CK-MB after dissociation of the subunits Oryctolagus cuniculus

Source Tissue

Source Tissue Comment Organism Textmining
skeletal muscle
-
Oryctolagus cuniculus
-

Storage Stability

Storage Stability Organism
freeze drying leads to oxidation of isozyme CK-BB and rearrangement of isozyme CK-MB Oryctolagus cuniculus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + creatine
-
Oryctolagus cuniculus ADP + phosphocreatine
-
r

Subunits

Subunits Comment Organism
dimer
-
Oryctolagus cuniculus
More the isozymes form monomers upon freeze-drying due to loss of subunit interactions Oryctolagus cuniculus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
-
temperature stability profile of the isozymes CK-MM, CK-BB, and CK-MB, overview Oryctolagus cuniculus

Cofactor

Cofactor Comment Organism Structure
ATP
-
Oryctolagus cuniculus