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Literature summary extracted from

  • Hsieh, M.C.; Graham, T.L.
    Partial purification and characterization of a soybean beta-glucosidase with high specific activity towards isoflavone conjugates (2001), Phytochemistry, 58, 995-1005.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.21 Ag+ 1 mM, 65% inhibition, 10 mM, complete inhibition, 50% inhibition at 14 mM in the presence of 250 mM beta-mercaptoethanol Glycine max
3.2.1.21 beta-mercaptoethanol 1.1 M, 50% inhibition Glycine max
3.2.1.21 glucono-delta-lactone IC50: 24 mM Glycine max
3.2.1.21 Hg2+ 1 mM, 38% inhibition, 10 mM, 77% inhibition Glycine max

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.21 0.054
-
genistein-7-O-glucosyl-6''-O-malonate 40°C, pH 5.0 Glycine max
3.2.1.21 0.091
-
daidzein-7-O-glucoside 40°C, pH 5.0 Glycine max
3.2.1.21 0.12
-
daidzein-7-O-glucosyl-6''-O-malonate 40°C, pH 5.0 Glycine max
3.2.1.21 0.23
-
4-methylumbelliferyl-beta-D-glucopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 0.33
-
genistein-7-O-glucoside 40°C, pH 5.0 Glycine max
3.2.1.21 0.84
-
p-nitrophenyl-alpha-D-galactopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 1.3
-
p-nitrophenyl-beta-D-glucopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 1.4
-
o-nitrophenyl-beta-D-glucopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 3.5
-
Salicin 40°C, pH 5.0 Glycine max
3.2.1.21 6.1
-
arbutin 40°C, pH 5.0 Glycine max
3.2.1.21 8.8
-
esculin 40°C, pH 5.0 Glycine max
3.2.1.21 9.9
-
p-nitrophenyl-alpha-D-mannopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 13
-
p-nitrophenyl-beta-D-galactopyranoside 40°C, pH 5.0 Glycine max

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.21 80000
-
2 * 80000, SDS-PAGE Glycine max
3.2.1.21 165000
-
native-PAGE Glycine max

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.21 Glycine max
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.21 ammonium sulfate, DEAE-Sephadex, CM-Sephadex Glycine max

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.21 root
-
Glycine max
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.21 1340
-
-
Glycine max

Storage Stability

EC Number Storage Stability Organism
3.2.1.21 -20°C, 10% glycerol, at least six months, no loss of activity Glycine max

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.21 4-methylumbelliferyl-beta-D-glucopyranoside + H2O
-
Glycine max 4-methylumbelliferol + beta-D-glucose
-
?
3.2.1.21 arbutin + H2O
-
Glycine max 4-hydroxyphenol + beta-D-glucose
-
?
3.2.1.21 daidzein 7'-O-(6''-O-beta-D-malonyl-beta-D-glucoside) + H2O
-
Glycine max daidzein + 6-O-malonyl-beta-D-glucopyranose
-
?
3.2.1.21 daidzein 7-O-(6-O-malonyl-beta-D-glucoside) + H2O
-
Glycine max daidzein + 6-O-malonyl-beta-D-glucopyranose
-
?
3.2.1.21 daidzein 7-O-beta-D-glucopyranoside + H2O
-
Glycine max daidzein + beta-D-glucose
-
?
3.2.1.21 daidzein-7-O-glucosyl-6''-O-malonate + H2O
-
Glycine max daidzein + 6-O-malonyl-beta-D-glucopyranose
-
?
3.2.1.21 esculin + H2O
-
Glycine max beta-D-glucose + esculetin
-
?
3.2.1.21 genistein-7-O-glucoside + H2O
-
Glycine max genistein + beta-D-glucose
-
?
3.2.1.21 genistein-7-O-glucosyl-6''-O-malonate + H2O
-
Glycine max genistein + beta-D-glucose-6-O-malonate
-
?
3.2.1.21 o-nitrophenyl-beta-D-glucopyranoside + H2O
-
Glycine max o-nitrophenol + beta-D-glucose
-
?
3.2.1.21 p-nitrophenyl-alpha-D-galactopyranoside + H2O
-
Glycine max p-nitrophenol + alpha-D-galactose
-
?
3.2.1.21 p-nitrophenyl-alpha-D-mannopyranoside + H2O
-
Glycine max p-nitrophenol + alpha-D-mannose
-
?
3.2.1.21 p-nitrophenyl-beta-D-galactopyranoside + H2O
-
Glycine max p-nitrophenol + beta-D-galactose
-
?
3.2.1.21 p-nitrophenyl-beta-D-glucopyranoside + H2O
-
Glycine max p-nitrophenol + beta-D-glucose
-
?
3.2.1.21 salicin + H2O
-
Glycine max beta-D-glucose + salicyl alcohol
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.21 dimer 2 * 80000, SDS-PAGE Glycine max

Synonyms

EC Number Synonyms Comment Organism
3.2.1.21 ICHG
-
Glycine max

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.21 30
-
-
Glycine max

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.21 50
-
13% loss of activity after 45 min Glycine max

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
3.2.1.21 0.02
-
esculin 40°C, pH 5.0 Glycine max
3.2.1.21 0.05
-
4-methylumbelliferyl-beta-D-glucopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 0.1
-
p-nitrophenyl-alpha-D-mannopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 0.11
-
p-nitrophenyl-beta-D-glucopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 0.15
-
arbutin 40°C, pH 5.0 Glycine max
3.2.1.21 0.21
-
Salicin 40°C, pH 5.0 Glycine max
3.2.1.21 0.49
-
p-nitrophenyl-alpha-D-galactopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 0.93
-
p-nitrophenyl-beta-D-galactopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 1.4
-
o-nitrophenyl-beta-D-glucopyranoside 40°C, pH 5.0 Glycine max
3.2.1.21 3.07
-
daidzein-7-O-glucoside 40°C, pH 5.0 Glycine max
3.2.1.21 4.34
-
daidzein 7'-O-(6''-O-beta-D-malonyl-beta-D-glucoside) 40°C, pH 5.0 Glycine max
3.2.1.21 4.38
-
genistein-7-O-glucosyl-6''-O-malonate 40°C, pH 5.0 Glycine max
3.2.1.21 4.45
-
genistein-7-O-glucoside 40°C, pH 5.0 Glycine max

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.21 6
-
at 30°C Glycine max

IC50 Value

EC Number IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
3.2.1.21 24
-
IC50: 24 mM Glycine max glucono-delta-lactone