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Literature summary for 3.2.1.14 extracted from

  • Bhushan, B.; Hoondal, G.S.
    Isolation, purification and properties of a thermostable chitinase from an alkalphilic Bacillus sp. BG-11 (1998), Biotechnol. Lett., 20, 157-159.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
SDS
-
Bacillus sp. (in: Bacteria)
sodium deoxycholate
-
Bacillus sp. (in: Bacteria)
sodium taurocholate
-
Bacillus sp. (in: Bacteria)
Triton X-100
-
Bacillus sp. (in: Bacteria)

Inhibitors

Inhibitors Comment Organism Structure
2-mercaptoethanol
-
Bacillus sp. (in: Bacteria)
Ag+
-
Bacillus sp. (in: Bacteria)
AsO2-
-
Bacillus sp. (in: Bacteria)
Cd2+
-
Bacillus sp. (in: Bacteria)
Co2+
-
Bacillus sp. (in: Bacteria)
dithiothreitol
-
Bacillus sp. (in: Bacteria)
EDTA
-
Bacillus sp. (in: Bacteria)
glutathione
-
Bacillus sp. (in: Bacteria)
Hg2+
-
Bacillus sp. (in: Bacteria)
iodoacetamide
-
Bacillus sp. (in: Bacteria)
iodoacetic acid
-
Bacillus sp. (in: Bacteria)
NaCl 50% inhibition at 7% NaCl Bacillus sp. (in: Bacteria)
phenylmethanesulfonylflouride
-
Bacillus sp. (in: Bacteria)
Sr2+
-
Bacillus sp. (in: Bacteria)

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
54.29
-
chitin in N-acetylglucasmine equivalents Bacillus sp. (in: Bacteria)

Localization

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

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ stimulating agent Bacillus sp. (in: Bacteria)
Ni2+ stimulating agent Bacillus sp. (in: Bacteria)

Organism

Organism UniProt Comment Textmining
Bacillus sp. (in: Bacteria)
-
BG-11
-
Bacillus sp. (in: Bacteria) BG-11
-
BG-11
-

Purification (Commentary)

Purification (Comment) Organism
16.5fold Bacillus sp. (in: Bacteria)

Source Tissue

Source Tissue Comment Organism Textmining
culture filtrate
-
Bacillus sp. (in: Bacteria)
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
126.7
-
swollen chitin Bacillus sp. (in: Bacteria)

Storage Stability

Storage Stability Organism
4°C, 60 days stable Bacillus sp. (in: Bacteria)

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
chitin + H2O swollen chitin Bacillus sp. (in: Bacteria) N,N-diacetylchitobiose + N-acetylglucosamine N-acetylglucosamine only ?
chitin + H2O swollen chitin Bacillus sp. (in: Bacteria) BG-11 N,N-diacetylchitobiose + N-acetylglucosamine N-acetylglucosamine only ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
45 55
-
Bacillus sp. (in: Bacteria)

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
two hours at pH 6-9 Bacillus sp. (in: Bacteria)
60
-
50% activity remains after 90 min Bacillus sp. (in: Bacteria)
70
-
50% activity remains after 30 min Bacillus sp. (in: Bacteria)
80
-
50% activity remains after 20 min Bacillus sp. (in: Bacteria)

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5 9
-
Bacillus sp. (in: Bacteria)

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 9 two hours at 50°C Bacillus sp. (in: Bacteria)