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Literature summary for 3.2.1.14 extracted from

  • Wen, C.M.; Tseng, C.S.; Cheng, C.Y.; Li, Y.K.
    Purification, characterization and cloning of a chitinase from Bacillus sp. NCTU2 (2002), Biotechnol. Appl. Biochem., 35, 213-219.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
Bacillus sp. (in: Bacteria)
Hg2+
-
Bacillus sp. (in: Bacteria)

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Bacillus sp. (in: Bacteria)
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+
-
Bacillus sp. (in: Bacteria)

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
30000
-
gel filtration Bacillus sp. (in: Bacteria)
36500
-
1 * 36500, SDS-PAGE Bacillus sp. (in: Bacteria)

Organism

Organism UniProt Comment Textmining
Bacillus sp. (in: Bacteria)
-
NCTU2
-
Bacillus sp. (in: Bacteria) NCTU2
-
NCTU2
-

Purification (Commentary)

Purification (Comment) Organism
-
Bacillus sp. (in: Bacteria)

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
312
-
after Sephadex G-75 purification step Bacillus sp. (in: Bacteria)

Storage Stability

Storage Stability Organism
4°C, 20 mM phosphate buffer, pH 7, more than 4 months Bacillus sp. (in: Bacteria)

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
chitin + H2O colloidal Bacillus sp. (in: Bacteria) N,N'-diacetylchitobiose + ? predominant product ?
chitin + H2O colloidal Bacillus sp. (in: Bacteria) NCTU2 N,N'-diacetylchitobiose + ? predominant product ?
chitotetraose + H2O
-
Bacillus sp. (in: Bacteria) 2 chitobiose
-
?
chitotetraose + H2O
-
Bacillus sp. (in: Bacteria) NCTU2 2 chitobiose
-
?
N,N',N'',N''', N'''',N'''''-hexaacetylchitohexaose + 2 H2O
-
Bacillus sp. (in: Bacteria) 3 N,N'-diacetylchitobiose
-
?
N,N',N'',N''',N''''-pentaacetylchitopentaose + H2O
-
Bacillus sp. (in: Bacteria) N-acetyl-D-glucosamine + N,N'-diacetylchitobiose + N,N',N''-triacetylchitotriose
-
?
N,N',N'',N''',N''''-pentaacetylchitopentaose + H2O
-
Bacillus sp. (in: Bacteria) NCTU2 N-acetyl-D-glucosamine + N,N'-diacetylchitobiose + N,N',N''-triacetylchitotriose
-
?
N,N',N''-triacetylchitotriose + H2O
-
Bacillus sp. (in: Bacteria) N,N'-diacetylchitobiose + N-acetyl-D-glucosamine
-
?
N,N',N''-triacetylchitotriose + H2O
-
Bacillus sp. (in: Bacteria) NCTU2 N,N'-diacetylchitobiose + N-acetyl-D-glucosamine
-
?
partially N-acetylated chitosan + H2O variuos degrees of acetylation Bacillus sp. (in: Bacteria) ?
-
?
partially N-acetylated chitosan + H2O variuos degrees of acetylation Bacillus sp. (in: Bacteria) NCTU2 ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 36500, SDS-PAGE Bacillus sp. (in: Bacteria)

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50 60
-
Bacillus sp. (in: Bacteria)

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
37 70
-
Bacillus sp. (in: Bacteria)

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
stable for more than 3 h Bacillus sp. (in: Bacteria)

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Bacillus sp. (in: Bacteria)

pH Range

pH Minimum pH Maximum Comment Organism
5.5 9
-
Bacillus sp. (in: Bacteria)

pI Value

Organism Comment pI Value Maximum pI Value
Bacillus sp. (in: Bacteria) isoelectric focusing
-
6