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

BRENDA support

Literature summary for 3.2.1.14 extracted from

  • Kondo, K.; Hiyama, Y.; Matsumoto, M.
    Kinetics of hydrolysis reaction of chitin oligomer by a chitinase purified from Bacillus subtilis (2011), Chem. Eng. Transact., 24, 877-882.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information Michaelis-Menten kinetics, overview Bacillus subtilis

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Bacillus subtilis
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
30000
-
x * 85000, Chi1, SDS-PAGE, x * 30000, Chi2, SDS-PAGE, x * 55000, Chi3, SDS-PAGE Bacillus subtilis
55000
-
x * 85000, Chi1, SDS-PAGE, x * 30000, Chi2, SDS-PAGE, x * 55000, Chi3, SDS-PAGE Bacillus subtilis
85000
-
x * 85000, Chi1, SDS-PAGE, x * 30000, Chi2, SDS-PAGE, x * 55000, Chi3, SDS-PAGE Bacillus subtilis

Organism

Organism UniProt Comment Textmining
Bacillus subtilis
-
isolated from natto, a traditional Japanese food, 3 isozymes Chi1-3
-
Bacillus subtilis 1076
-
isolated from natto, a traditional Japanese food, 3 isozymes Chi1-3
-

Purification (Commentary)

Purification (Comment) Organism
native extracellular enzyme from culture medium by anion exchange chromatography Bacillus subtilis

Source Tissue

Source Tissue Comment Organism Textmining
additional information carbon sources are colloidal chitin and chitin Bacillus subtilis
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
chitin + H2O
-
Bacillus subtilis ?
-
?
chitin + H2O
-
Bacillus subtilis 1076 ?
-
?
N,N',N'',N''',N''''-pentaacetylchitopentaose + H2O Chi3 Bacillus subtilis N,N'-diacetylchitobiose + N,N',N''-triacetylchitotriose
-
?
N,N',N'',N''',N''''-pentaacetylchitopentaose + H2O Chi3 Bacillus subtilis 1076 N,N'-diacetylchitobiose + N,N',N''-triacetylchitotriose
-
?
N,N',N'',N'''-tetraacetylchitotetraose + H2O Chi3 Bacillus subtilis 2 N,N'-diacetylchitobiose
-
?
N,N',N'',N'''-tetraacetylchitotetraose + H2O Chi3 Bacillus subtilis 1076 2 N,N'-diacetylchitobiose
-
?

Subunits

Subunits Comment Organism
? x * 85000, Chi1, SDS-PAGE, x * 30000, Chi2, SDS-PAGE, x * 55000, Chi3, SDS-PAGE Bacillus subtilis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
Chi1 Bacillus subtilis
37
-
Chi2 and Chi3 Bacillus subtilis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4
-
Chi2 and Chi3 Bacillus subtilis
8
-
Chi1 Bacillus subtilis