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Literature summary for 3.2.1.21 extracted from

  • Zhang, C.; Li, D.; Yu, H.; Zhang, B.; Jin, F.
    Purification and characterization of piceid-beta-D-glucosidase from Aspergillus oryzae (2007), Process Biochem., 42, 83-88.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Cu2+ strong inhibition of piceid-beta-D-glucosidase Aspergillus oryzae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.92
-
4-nitrophenyl-beta-D-glucopyranoside pH 5.0, 60°C Aspergillus oryzae

Metals/Ions

Metals/Ions Comment Organism Structure
additional information no effect on piceid-beta-D-glucosidase by Ca2+, Mg2+, and Zn2+ ions Aspergillus oryzae

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
77000
-
about, piceid-beta-D-glucosidase, gel filtration Aspergillus oryzae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
piceid + H2O Aspergillus oryzae
-
resveratrol + beta-D-glucose
-
?
piceid + H2O Aspergillus oryzae FFCDL-100
-
resveratrol + beta-D-glucose
-
?

Organism

Organism UniProt Comment Textmining
Aspergillus oryzae
-
-
-
Aspergillus oryzae FFCDL-100
-
-
-

Purification (Commentary)

Purification (Comment) Organism
native piceid-beta-D-glucosidase 12.6fold by ammonium sulfate fractionation, anion exchange chromatography, and freeze drying Aspergillus oryzae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.3
-
purified enzyme, substrate piceid Aspergillus oryzae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl beta-D-galactopyranoside + H2O low activity Aspergillus oryzae 4-nitrophenol + beta-D-galactose
-
?
4-nitrophenyl beta-D-galactopyranoside + H2O low activity Aspergillus oryzae FFCDL-100 4-nitrophenol + beta-D-galactose
-
?
4-nitrophenyl beta-D-glucopyranoside + H2O low activity Aspergillus oryzae 4-nitrophenol + beta-D-glucose
-
?
4-nitrophenyl beta-D-glucopyranoside + H2O low activity Aspergillus oryzae FFCDL-100 4-nitrophenol + beta-D-glucose
-
?
4-nitrophenyl beta-D-xylopyranoside + H2O low activity Aspergillus oryzae 4-nitrophenol + beta-D-xylose
-
?
4-nitrophenyl beta-D-xylopyranoside + H2O low activity Aspergillus oryzae FFCDL-100 4-nitrophenol + beta-D-xylose
-
?
4-nitrophenyl beta-L-arabinopyranoside + H2O low activity Aspergillus oryzae 4-nitrophenol + beta-L-arabinopyranose
-
?
additional information no activity with 4-nitrophenyl-alpha-L-arabinoside and 4-nitrophenyl-alpha-L-rhamnoside Aspergillus oryzae ?
-
?
additional information no activity with 4-nitrophenyl-alpha-L-arabinoside and 4-nitrophenyl-alpha-L-rhamnoside Aspergillus oryzae FFCDL-100 ?
-
?
piceid + H2O
-
Aspergillus oryzae resveratrol + beta-D-glucose
-
?
piceid + H2O specific for, high activity Aspergillus oryzae resveratrol + beta-D-glucose
-
?
piceid + H2O
-
Aspergillus oryzae FFCDL-100 resveratrol + beta-D-glucose
-
?

Subunits

Subunits Comment Organism
monomer 1 * 77000, piceid-beta-D-glucosidase, SDS-PAGE Aspergillus oryzae

Synonyms

Synonyms Comment Organism
piceid-beta-D-glucosidase
-
Aspergillus oryzae

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
piceid-beta-D-glucosidase Aspergillus oryzae

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 70 temperature profile Aspergillus oryzae

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
30 min, purified piceid-beta-D-glucosidase, stable up to Aspergillus oryzae
60
-
30 min, purified piceid-beta-D-glucosidase, loss of 10% activity Aspergillus oryzae
70
-
purified piceid-beta-D-glucosidase, inactivation Aspergillus oryzae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
piceid-beta-D-glucosidase Aspergillus oryzae

pH Range

pH Minimum pH Maximum Comment Organism
3 7 pH profile Aspergillus oryzae

pH Stability

pH Stability pH Stability Maximum Comment Organism
4 5 30 min, purified piceid-beta-D-glucosidase, stable Aspergillus oryzae