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Literature summary for 3.5.4.3 extracted from

  • Mahor, D.; Prasad, G.S.
    Biochemical characterization of Kluyveromyces lactis adenine deaminase and guanine deaminase and their potential application in lowering purine content in beer (2018), Front. Bioeng. Biotechnol., 6, 180 .
    View publication on PubMedView publication on EuropePMC

Application

Application Comment Organism
food industry in beer samples treated with adenine deaminase and guanine deaminase, the adenine concentration in beer drops 66-67% and guanine concentration in beer drops from 68.8 microM to a minimal amount Kluyveromyces lactis

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Kluyveromyces lactis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.083
-
guanine pH 6.0, 30°C Kluyveromyces lactis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
10600
-
gel filtration Kluyveromyces lactis

Organism

Organism UniProt Comment Textmining
Kluyveromyces lactis
-
-
-
Kluyveromyces lactis MTCC 458
-
-
-

Storage Stability

Storage Stability Organism
4°C, 50 mM Tris, 100 mM NaCl, 10% glycerol and pH 7.0, stable for a month Kluyveromyces lactis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6-thioguanine + H2O
-
Kluyveromyces lactis 6-thioxanthine + NH3
-
?
8-azaxanthine + H2O
-
Kluyveromyces lactis 8-azaxanthine + HCl
-
?
guanine + H2O preferred substrate Kluyveromyces lactis xanthine + NH3
-
?
guanine + H2O preferred substrate Kluyveromyces lactis MTCC 458 xanthine + NH3
-
?

Subunits

Subunits Comment Organism
monomer x * 55000, SDS-PAGE Kluyveromyces lactis

Synonyms

Synonyms Comment Organism
GDA
-
Kluyveromyces lactis
KLLAOD9492
-
Kluyveromyces lactis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
-
Kluyveromyces lactis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
7.3
-
guanine pH 6.0, 30°C Kluyveromyces lactis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Kluyveromyces lactis

pH Range

pH Minimum pH Maximum Comment Organism
6 9
-
Kluyveromyces lactis

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
870
-
guanine pH 6.0, 30°C Kluyveromyces lactis