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Literature summary for 2.7.4.8 extracted from

  • Olsen, O.; Bredt, D.S.
    Functional analysis of the nucleotide binding domain of membrane-associated guanylate kinases (2003), J. Biol. Chem., 278, 6873-6878.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Saccharomyces cerevisiae
PSD-95, containing SH3GK residues 417-724 and CASK, containing SH3GK residues 591-909, expression in Escherichia coli Rattus norvegicus

Protein Variants

Protein Variants Comment Organism
P564S/S631D PSD-95 construct Rattus norvegicus
S35P reduced activity Saccharomyces cerevisiae
S35P/D101S reduced activity Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.002
-
GMP mutant S35P Saccharomyces cerevisiae
0.0025
-
GMP mutant S35P/D101S Saccharomyces cerevisiae
0.041
-
GMP wildtype Saccharomyces cerevisiae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + GMP Rattus norvegicus regulation of cellular adhesion and signal transduction at sites of cell-cell contact ADP + GDP
-
?
ATP + GMP Saccharomyces cerevisiae regulation of cellular adhesion and signal transduction at sites of cell-cell contact ADP + GDP
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-
Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant protein Rattus norvegicus
recombinant protein Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.5
-
mutant S35P Saccharomyces cerevisiae
2.5
-
mutant S35P/D101S Saccharomyces cerevisiae
1581
-
wildtype Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + GMP
-
Saccharomyces cerevisiae ADP + GDP
-
?
ATP + GMP regulation of cellular adhesion and signal transduction at sites of cell-cell contact Rattus norvegicus ADP + GDP
-
?
ATP + GMP regulation of cellular adhesion and signal transduction at sites of cell-cell contact Saccharomyces cerevisiae ADP + GDP
-
?
ATP + GMP CASK construct has no activity Rattus norvegicus ADP + GDP
-
?
ATP + GMP PSD-95 construct has no activity Rattus norvegicus ADP + GDP
-
?

Synonyms

Synonyms Comment Organism
GK
-
Rattus norvegicus
MAGUK
-
Rattus norvegicus
MAGUK
-
Saccharomyces cerevisiae
membrane-associated guanylate kinase
-
Rattus norvegicus
membrane-associated guanylate kinase
-
Saccharomyces cerevisiae
YGK
-
Saccharomyces cerevisiae