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Literature summary for 3.2.1.65 extracted from

  • Kang, E.J.; Lee, S.O.; Lee, J.D.; Lee, T.H.
    Purification and characterization of a levanbiose-producing levanase from Pseudomonas sp. No. 43 (1999), Biotechnol. Appl. Biochem., 29, 263-268.
No PubMed abstract available

Application

Application Comment Organism
agriculture plant differentiation, growth promoting activities for some enteric bacteria Pseudomonas sp. No. 43
medicine enhancing effect on the immune system and other physiological functions Pseudomonas sp. No. 43
nutrition energy source Pseudomonas sp. No. 43
nutrition production of noncaloric sweeteners Pseudomonas sp. No. 43
synthesis protection from aging Pseudomonas sp. No. 43

Inhibitors

Inhibitors Comment Organism Structure
2-mercaptoethanol
-
Pseudomonas sp. No. 43
Ag+
-
Pseudomonas sp. No. 43
Al3+
-
Pseudomonas sp. No. 43
Ammonium oxalate
-
Pseudomonas sp. No. 43
ascorbic acid
-
Pseudomonas sp. No. 43
Ba2+
-
Pseudomonas sp. No. 43
Ca2+
-
Pseudomonas sp. No. 43
Co2+
-
Pseudomonas sp. No. 43
EDTA
-
Pseudomonas sp. No. 43
KMnO4
-
Pseudomonas sp. No. 43
Mg2+
-
Pseudomonas sp. No. 43
Mn2+
-
Pseudomonas sp. No. 43
Sodium thioglycollate
-
Pseudomonas sp. No. 43

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Pseudomonas sp. No. 43
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
36000
-
gel filtration Pseudomonas sp. No. 43

Organism

Organism UniProt Comment Textmining
Pseudomonas sp. No. 43
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Pseudomonas sp. No. 43

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
30.5
-
U/mg Pseudomonas sp. No. 43

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3 levan + 7 H2O
-
Pseudomonas sp. No. 43 10 levanbiose
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Pseudomonas sp. No. 43

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
stable up to 50°C but rapidly inactivated above Pseudomonas sp. No. 43

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Pseudomonas sp. No. 43

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 8 20°C, stable up to 50°C at pH 7.0 Pseudomonas sp. No. 43
6 8 activity decreases rapidly below pH 6.0 and above pH 8.0 Pseudomonas sp. No. 43