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Literature summary for 2.4.1.20 extracted from

  • Reichenbecher, M.; Lottspeich, F.; Bronnenmeier, K.
    Purification and properties of a cellobiose phosphorylase (CepA) and a cellodextrin phosphorylase (CepB) from the cellulolytic thermophile Clostridium stercorarium (1997), Eur. J. Biochem., 247, 262-267.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
-
Thermoclostridium stercorarium

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
6.2
-
cellobiose
-
Thermoclostridium stercorarium

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
93000
-
SDS-PAGE, gel filtration Thermoclostridium stercorarium

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
cellobiose + phosphate Thermoclostridium stercorarium
-
alpha-D-glucose 1-phosphate + D-glucose
-
?
cellobiose + phosphate Thermoclostridium stercorarium NCIB 11754
-
alpha-D-glucose 1-phosphate + D-glucose
-
?

Organism

Organism UniProt Comment Textmining
Thermoclostridium stercorarium Q59316
-
-
Thermoclostridium stercorarium NCIB 11754 Q59316
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Thermoclostridium stercorarium

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.7
-
purified enzyme Thermoclostridium stercorarium

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cellobiose + phosphate
-
Thermoclostridium stercorarium alpha-D-glucose 1-phosphate + D-glucose
-
?
cellobiose + phosphate
-
Thermoclostridium stercorarium NCIB 11754 alpha-D-glucose 1-phosphate + D-glucose
-
?
additional information only disaccharide accepted as substrate Thermoclostridium stercorarium ?
-
?
additional information only disaccharide accepted as substrate Thermoclostridium stercorarium NCIB 11754 ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 93000, SDS-PAGE, gel filtration Thermoclostridium stercorarium

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
65
-
-
Thermoclostridium stercorarium

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
stable for at least 42 h Thermoclostridium stercorarium

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.1
-
cellobiose
-
Thermoclostridium stercorarium

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 7
-
Thermoclostridium stercorarium

pH Range

pH Minimum pH Maximum Comment Organism
5 8 50% activity Thermoclostridium stercorarium