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Literature summary extracted from

  • Decker, C.H.; Visser, J.; Schreier, P.
    beta-Glucosidases from five black Aspergillus species: Study of their physico-chemical and biocatalytic properties (2000), J. Agric. Food Chem., 48, 4929-4936.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.21 D-glucose
-
Aspergillus aculeatus
3.2.1.21 D-glucose
-
Aspergillus foetidus
3.2.1.21 D-glucose
-
Aspergillus japonicus
3.2.1.21 D-glucose
-
Aspergillus niger
3.2.1.21 D-glucose
-
Aspergillus tubingensis
3.2.1.21 p-nitrophenyl-beta-D-glucopyranoside strong substrate inhibition above 0.5 mM Aspergillus aculeatus
3.2.1.21 p-nitrophenyl-beta-D-glucopyranoside minimal substrate inhibition above 1.5 mM Aspergillus foetidus
3.2.1.21 p-nitrophenyl-beta-D-glucopyranoside minimal substrate inhibition above 1.5 mM Aspergillus niger

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.21 0.2
-
p-nitrophenyl-beta-D-glucopyranoside 30°C, 5.0 Aspergillus japonicus
3.2.1.21 0.23
-
p-nitrophenyl-beta-D-glucopyranoside 30°C, pH 4.6 Aspergillus aculeatus
3.2.1.21 0.41
-
p-nitrophenyl-beta-D-glucopyranoside 30°C, pH 4.6 Aspergillus foetidus
3.2.1.21 0.59
-
p-nitrophenyl-beta-D-glucopyranoside 30°C, pH 4.6 Aspergillus tubingensis
3.2.1.21 0.64
-
p-nitrophenyl-beta-D-glucopyranoside 30°C, pH 4.6 Aspergillus niger
3.2.1.21 1.16
-
cellobiose 30°C, 5.0 Aspergillus japonicus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.21 93000
-
x * 93000, SDS-PAGE Aspergillus aculeatus
3.2.1.21 111000
-
x * 111000, SDS-PAGE Aspergillus tubingensis
3.2.1.21 121000
-
x * 121000, SDS-PAGE Aspergillus japonicus
3.2.1.21 130000
-
x * 130000, SDS-PAGE Aspergillus niger

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.21 Aspergillus aculeatus
-
-
-
3.2.1.21 Aspergillus foetidus
-
-
-
3.2.1.21 Aspergillus japonicus
-
-
-
3.2.1.21 Aspergillus niger
-
-
-
3.2.1.21 Aspergillus tubingensis
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.2.1.21 glycoprotein
-
Aspergillus niger
3.2.1.21 glycoprotein
-
Aspergillus japonicus
3.2.1.21 glycoprotein
-
Aspergillus foetidus
3.2.1.21 glycoprotein
-
Aspergillus tubingensis

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.21
-
Aspergillus niger
3.2.1.21
-
Aspergillus japonicus
3.2.1.21
-
Aspergillus foetidus
3.2.1.21
-
Aspergillus tubingensis
3.2.1.21
-
Aspergillus aculeatus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.21 2-phenylethyl-beta-D-glucopyranoside + H2O 51% of activity with p-nitrophenyl-beta-D-glucopyranoside Aspergillus japonicus 2-phenylethanol + beta-D-glucose
-
?
3.2.1.21 benzyl-beta-D-glucopyranoside + H2O 17% of activity with p-nitrophenyl-beta-d-glucopyranoside Aspergillus japonicus benzyl alcohol + beta-D-glucose
-
?
3.2.1.21 cellobiose + H2O
-
Aspergillus tubingensis 2 beta-D-glucose
-
?
3.2.1.21 cellobiose + H2O 15-30% of activity with p-nitrophenyl-beta-d-glucopyranoside Aspergillus japonicus 2 beta-D-glucose
-
?
3.2.1.21 citronellyl-beta-D-glucopyranoside + H2O 61.4% of activity with p-nitrophenyl-beta-D-glucopyranoside Aspergillus japonicus citronellol + beta-D-glucose
-
?
3.2.1.21 dodecyl-beta-D-glucopyranoside + H2O 15-30% of activity with p-nitrophenyl-beta-d-glucopyranoside Aspergillus japonicus dodecanol + beta-D-glucose
-
?
3.2.1.21 gentiobiose + H2O 91% of activity with p-nitrophenyl-beta-D-glucopyranoside Aspergillus japonicus 2 beta-D-glucose
-
?
3.2.1.21 geranyl-beta-D-glucopyranoside + H2O 62.7% of activity with p-nitrophenyl-beta-D-glucopyranoside Aspergillus japonicus geraniol + beta-D-glucose
-
?
3.2.1.21 hexyl-beta-D-glucopyranoside + H2O 15% of activity with p-nitrophenyl-beta-d-glucopyranoside Aspergillus japonicus hexanol + beta-D-glucose
-
?
3.2.1.21 laminaribiose + H2O 67% of activity with p-nitrophenyl-beta-D-glucopyranoside Aspergillus japonicus 2 beta-D-glucose
-
?
3.2.1.21 octyl-beta-D-glucopyranoside + H2O 15% of activity with p-nitrophenyl-beta-d-glucopyranoside Aspergillus japonicus octanol + beta-D-glucose
-
?
3.2.1.21 p-nitrophenyl-beta-D-glucopyranoside + H2O
-
Aspergillus niger p-nitrophenol + beta-D-glucose
-
?
3.2.1.21 p-nitrophenyl-beta-D-glucopyranoside + H2O
-
Aspergillus japonicus p-nitrophenol + beta-D-glucose
-
?
3.2.1.21 p-nitrophenyl-beta-D-glucopyranoside + H2O
-
Aspergillus foetidus p-nitrophenol + beta-D-glucose
-
?
3.2.1.21 p-nitrophenyl-beta-D-glucopyranoside + H2O
-
Aspergillus tubingensis p-nitrophenol + beta-D-glucose
-
?
3.2.1.21 p-nitrophenyl-beta-D-glucopyranoside + H2O
-
Aspergillus aculeatus p-nitrophenol + beta-D-glucose
-
?
3.2.1.21 sophorose + H2O 15-30% of activity with p-nitrophenyl-beta-d-glucopyranoside Aspergillus japonicus 2 beta-D-glucose
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.21 ? x * 130000, SDS-PAGE Aspergillus niger
3.2.1.21 ? x * 93000, SDS-PAGE Aspergillus aculeatus
3.2.1.21 ? x * 111000, SDS-PAGE Aspergillus tubingensis
3.2.1.21 ? x * 120000-142000, SDS-PAGE Aspergillus foetidus
3.2.1.21 ? x * 121000, SDS-PAGE Aspergillus japonicus

Synonyms

EC Number Synonyms Comment Organism
3.2.1.21 A1
-
Aspergillus niger
3.2.1.21 A1
-
Aspergillus aculeatus
3.2.1.21 F1
-
Aspergillus foetidus
3.2.1.21 J1
-
Aspergillus japonicus
3.2.1.21 T1
-
Aspergillus tubingensis

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.21 65
-
-
Aspergillus niger
3.2.1.21 65
-
-
Aspergillus japonicus
3.2.1.21 65
-
-
Aspergillus foetidus
3.2.1.21 65
-
-
Aspergillus tubingensis
3.2.1.21 65
-
-
Aspergillus aculeatus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.21 4.6
-
-
Aspergillus tubingensis
3.2.1.21 4.8
-
-
Aspergillus niger
3.2.1.21 4.8
-
-
Aspergillus foetidus
3.2.1.21 5
-
-
Aspergillus aculeatus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.21 3 7 approx. 20% of maximal activity at pH 3.0, approx. 10% of maximal activity at pH 7.0 Aspergillus japonicus
3.2.1.21 3 7 approx. 20% of maximal activity at pH 3.0, approx. 10% of maximal activity at pH 7.0 Aspergillus tubingensis

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
3.2.1.21 3.4
-
D-glucose 30°C, pH 5.0 Aspergillus niger
3.2.1.21 3.7
-
D-glucose 30°C, pH 5.0 Aspergillus aculeatus
3.2.1.21 5.8
-
D-glucose 30°C, pH 4.6 Aspergillus tubingensis
3.2.1.21 8.1
-
D-glucose 30°C, pH 5.0 Aspergillus foetidus
3.2.1.21 9.2
-
D-glucose 30°C, 5.0 Aspergillus japonicus

pI Value

EC Number Organism Comment pI Value Maximum pI Value
3.2.1.21 Aspergillus niger isoelectric focusing
-
4.2
3.2.1.21 Aspergillus foetidus isoelectric focusing
-
4.2
3.2.1.21 Aspergillus tubingensis isoelectric focusing
-
4.2
3.2.1.21 Aspergillus japonicus isoelectric focusing
-
4.7
3.2.1.21 Aspergillus aculeatus isoelectric focusing
-
4.7