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Literature summary for 3.2.1.21 extracted from

  • Jeya, M.; Joo, A.R.; Lee, K.M.; Tiwari, M.K.; Lee, K.M.; Kim, S.H.; Lee, J.K.
    Characterization of beta-glucosidase from a strain of Penicillium purpurogenum KJS506 (2010), Appl. Microbiol. Biotechnol., 86, 1473-1484.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
D-glucose competitive inhibition Talaromyces purpureogenus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5.1
-
4-nitrophenyl-beta-D-glucopyranoside in 100 mM sodium acetate buffer, pH 5.0, at 65°C Talaromyces purpureogenus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
89620
-
calculated from amino acid sequence Talaromyces purpureogenus
110000
-
SDS-PAGE Talaromyces purpureogenus

Organism

Organism UniProt Comment Textmining
Talaromyces purpureogenus C9E9M9
-
-
Talaromyces purpureogenus KJS506 C9E9M9
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein
-
Talaromyces purpureogenus

Purification (Commentary)

Purification (Comment) Organism
DEAE Sepharose column chromatography, MonoQ column chromatography, and hydroxyapatite column chromatography Talaromyces purpureogenus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-nitrophenyl beta-D-mannopyranoside + H2O 0.7% activity compared to 4-nitrophenyl-beta-D-mannopyranoside Talaromyces purpureogenus 2-nitrophenol + D-mannopyranose
-
?
4-nitrophenyl beta-D-cellobioside + H2O 11.6% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus 4-nitrophenol + cellobiose
-
?
4-nitrophenyl beta-D-galactopyranoside + H2O 8.4% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus 4-nitrophenol + beta-D-galactopyranose
-
?
4-nitrophenyl beta-D-galactopyranoside + H2O 8.4% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus KJS506 4-nitrophenol + beta-D-galactopyranose
-
?
4-nitrophenyl beta-D-glucopyranoside + H2O 100% activity Talaromyces purpureogenus 4-nitrophenol + D-glucopyranose
-
?
4-nitrophenyl beta-D-glucopyranoside + H2O 100% activity Talaromyces purpureogenus KJS506 4-nitrophenol + D-glucopyranose
-
?
Avicel + H2O 0.9% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus beta-D-glucose + ?
-
?
Avicel + H2O 0.9% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus KJS506 beta-D-glucose + ?
-
?
cellobiose + H2O 49.4% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus 2 beta-D-glucose
-
?
cellobiose + H2O 49.4% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus KJS506 2 beta-D-glucose
-
?
cellopentaose + 4 H2O 7.8% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus 5 D-glucose
-
?
cellotetraose + 3 H2O 11% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus 4 D-glucose
-
?
cellotriose + 2 H2O 12.7% activity compared to 4-nitrophenyl-beta-D-glucopyranoside Talaromyces purpureogenus 3 D-glucose
-
?
additional information no activity towards 4-nitrophenyl-alpha-D-galactopyranoside, carboxymethylcellulose, and xylan (2% w/v) Talaromyces purpureogenus ?
-
?
additional information no activity towards 4-nitrophenyl-alpha-D-galactopyranoside, carboxymethylcellulose, and xylan (2% w/v) Talaromyces purpureogenus KJS506 ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 110000, SDS-PAGE Talaromyces purpureogenus

Synonyms

Synonyms Comment Organism
Bgl
-
Talaromyces purpureogenus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
65
-
-
Talaromyces purpureogenus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
50 70
-
Talaromyces purpureogenus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40 80 the purified enzyme shows a half-life of 10 h at 65°C, about 20% activity at 40°C, about 60% activity at 50°C, about 90% activity at 60°C, about 80% activity at 70°C, less than 20% activity at 80°C Talaromyces purpureogenus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Talaromyces purpureogenus

pH Range

pH Minimum pH Maximum Comment Organism
4 6
-
Talaromyces purpureogenus

pH Stability

pH Stability pH Stability Maximum Comment Organism
3 7 no activity at pH 3.0 and 7.0, about 20% activity at pH 4.0, about 40% activity at pH 6.0 Talaromyces purpureogenus

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
21.5
-
D-glucose
-
Talaromyces purpureogenus