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Literature summary for 3.2.1.3 extracted from

  • Tucker, M.; Grohmann, K.; Himmel, M.
    Isolation and characterization of a glucoamylase from Saccharomyces diastaticus (1984), Biotechnol. Bioeng. Symp., 14, 279-293.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
18
-
maltose
-
Saccharomyces cerevisiae 'var. diastaticus'

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
186000
-
2 * 186000, SDS-PAGE Saccharomyces cerevisiae 'var. diastaticus'
306000
-
gel filtration Saccharomyces cerevisiae 'var. diastaticus'

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae 'var. diastaticus'
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Saccharomyces cerevisiae 'var. diastaticus'

Source Tissue

Source Tissue Comment Organism Textmining
culture medium
-
Saccharomyces cerevisiae 'var. diastaticus'
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Saccharomyces cerevisiae 'var. diastaticus'

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dextrin + H2O
-
Saccharomyces cerevisiae 'var. diastaticus' ?
-
?
maltose + H2O
-
Saccharomyces cerevisiae 'var. diastaticus' 2 beta-D-glucose
-
?
pullulan + H2O no activity Saccharomyces cerevisiae 'var. diastaticus' ?
-
?

Subunits

Subunits Comment Organism
dimer 2 * 186000, SDS-PAGE Saccharomyces cerevisiae 'var. diastaticus'

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
40 70 about 40% of maximal activity at 40°C and at 70°C Saccharomyces cerevisiae 'var. diastaticus'

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
60 min, 50% loss of activity Saccharomyces cerevisiae 'var. diastaticus'
55
-
60 min, 60% loss of activity Saccharomyces cerevisiae 'var. diastaticus'
60
-
60 min, 90% loss of activity Saccharomyces cerevisiae 'var. diastaticus'

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5
-
-
Saccharomyces cerevisiae 'var. diastaticus'

pH Range

pH Minimum pH Maximum Comment Organism
4 7 pH 4.0: about 80% of maximal activity, pH 7.0: about 45% of maximal activity Saccharomyces cerevisiae 'var. diastaticus'