Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 1.1.99.18 extracted from

  • Subramaniam, S.S.; Nagalla, S.R.; Renganathan, V.
    Cloning and characterization of a thermostable cellobiose dehydrogenase from Sporotrichum thermophile (1999), Arch. Biochem. Biophys., 365, 223-230.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Thermothelomyces heterothallicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00067
-
cytochrome c at 25°C Thermothelomyces heterothallicus
0.00067
-
cytochrome c at pH 4.5 and 25°C Thermothelomyces heterothallicus
0.001
-
cytochrome c at 45°C Thermothelomyces heterothallicus
0.001
-
cytochrome c at pH 4.5 and 45°C Thermothelomyces heterothallicus
0.0024
-
2,6-dichlorophenolindophenol at 25°C Thermothelomyces heterothallicus
0.0024
-
2,6-dichlorophenolindophenol at pH 4.5 and 25°C Thermothelomyces heterothallicus
0.0034
-
cellobiose at 25°C Thermothelomyces heterothallicus
0.0037
-
2,6-dichlorophenolindophenol at 45°C Thermothelomyces heterothallicus
0.0037
-
2,6-dichlorophenolindophenol at pH 4.5 and 45°C Thermothelomyces heterothallicus
0.0045
-
ferricyanide at 25°C Thermothelomyces heterothallicus
0.0045
-
ferricyanide at pH 4.5 and 25°C Thermothelomyces heterothallicus
0.0058
-
cellobiose at 25°C Thermothelomyces heterothallicus
0.0064
-
cellotetraose at 25°C Thermothelomyces heterothallicus
0.0067
-
ferricyanide at 45°C Thermothelomyces heterothallicus
0.0067
-
ferricyanide at pH 4.5 and 45°C Thermothelomyces heterothallicus
0.011
-
cellotetraose at 25°C Thermothelomyces heterothallicus
0.0281
-
lactose at 25°C Thermothelomyces heterothallicus
0.05
-
lactose at 45°C Thermothelomyces heterothallicus

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Phanerodontia chrysosporium
-
-
extracellular
-
Thermothelomyces heterothallicus
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
95000
-
gel filtration Thermothelomyces heterothallicus

Organism

Organism UniProt Comment Textmining
Phanerodontia chrysosporium
-
-
-
Thermothelomyces heterothallicus
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein
-
Phanerodontia chrysosporium
glycoprotein difference in apparent molecular weight and that observed by SDS-PAGE might be due to glycosylation, six potential glycosylation sites in enzyme amino acid sequence Thermothelomyces heterothallicus

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate, Phenyl-Sepharose, Sephacryl S-200, Mono Q Thermothelomyces heterothallicus

Source Tissue

Source Tissue Comment Organism Textmining
culture medium
-
Phanerodontia chrysosporium
-
culture medium
-
Thermothelomyces heterothallicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5.3
-
at pH 4.0 and 25°C Thermothelomyces heterothallicus
11.5
-
at 40°C Phanerodontia chrysosporium
13.4
-
cytochrome c reduction at 60°C Thermothelomyces heterothallicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cellobiose + 2,6-dichlorophenolindophenol
-
Thermothelomyces heterothallicus cellobiono-1,5-lactone + reduced 2,6-dichlorophenolindophenol
-
r
cellobiose + acceptor
-
Phanerodontia chrysosporium cellobiono-1,5-lactone + reduced acceptor
-
?
cellobiose + acceptor electron acceptors: phenol blue, Fe3+, methylene blue, 3,5-di-tert-butyl-1,2-benzoquinone, p-benzoquinone, potassium ferricyanide, cytochrome c Thermothelomyces heterothallicus cellobiono-1,5-lactone + reduced acceptor
-
?
cellobiose + cytochrome c
-
Thermothelomyces heterothallicus cellobiono-1,5-lactone + reduced cytochrome c
-
r
cellobiose + ferricyanide
-
Thermothelomyces heterothallicus cellobiono-1,5-lactone + ferrocyanide
-
r
cellotetraose + acceptor
-
Phanerodontia chrysosporium cellotetrono-1,5-lactone + reduced acceptor
-
?
cellotetraose + acceptor
-
Thermothelomyces heterothallicus cellotetrono-1,5-lactone + reduced acceptor
-
?
lactose + acceptor
-
Phanerodontia chrysosporium 4-O-(beta-D-galactopyranosyl)-D-glucono-1,5-lactone + reduced acceptor
-
?
lactose + acceptor
-
Thermothelomyces heterothallicus 4-O-(beta-D-galactopyranosyl)-D-glucono-1,5-lactone + reduced acceptor
-
?

Subunits

Subunits Comment Organism
monomer 1 * 95000, SDS-PAGE Thermothelomyces heterothallicus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Phanerodontia chrysosporium
60
-
-
Thermothelomyces heterothallicus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50 70 thermostable enzyme, 10 h half-life at 60°C, 3 h at 70°C Thermothelomyces heterothallicus
60
-
25 min half-life at 60°C, instantaneousley inactivated at 70°C Phanerodontia chrysosporium

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
5.9
-
lactose at 25°C Thermothelomyces heterothallicus
6.1
-
cellobiose at 25°C Thermothelomyces heterothallicus
6.1
-
cellotetraose at 25°C Thermothelomyces heterothallicus
7.3
-
cytochrome c at 25°C Thermothelomyces heterothallicus
7.5
-
2,6-dichlorophenolindophenol at 25°C Thermothelomyces heterothallicus
12.8
-
ferricyanide at 25°C Thermothelomyces heterothallicus
15.1
-
cellotetraose at 25°C Thermothelomyces heterothallicus
16.1
-
cellobiose at 25°C Thermothelomyces heterothallicus
16.8
-
lactose at 45°C Thermothelomyces heterothallicus
18.3
-
2,6-dichlorophenolindophenol at 45°C Thermothelomyces heterothallicus
20.8
-
cytochrome c at 45°C Thermothelomyces heterothallicus
24.1
-
ferricyanide at 45°C Thermothelomyces heterothallicus