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

BRENDA support

Literature summary for 3.2.1.165 extracted from

  • Cote, N.; Fleury, A.; Dumont-Blanchette, E.; Fukamizo, T.; Mitsutomi, M.; Brzezinski, R.
    Two exo-beta-D-glucosaminidases/exochitosanases from actinomycetes define a new subfamily within family 2 of glycoside hydrolases (2006), Biochem. J., 394, 675-686.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information KM-value for high-molecular mass chitosan is 0.16 mg/ml Amycolatopsis orientalis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
110557
-
x * 110557, calculated from sequence Amycolatopsis orientalis

Organism

Organism UniProt Comment Textmining
Amycolatopsis orientalis Q56F26 precursor; subsp. orientalis
-

Purification (Commentary)

Purification (Comment) Organism
-
Amycolatopsis orientalis

Source Tissue

Source Tissue Comment Organism Textmining
culture supernatant of cells grown in medium with chitosan Amycolatopsis orientalis
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
chitobiose + H2O
-
Amycolatopsis orientalis D-glucosamine
-
?
chitohexaose + H2O
-
Amycolatopsis orientalis D-glucosamine + ?
-
?
chitopentaose + H2O
-
Amycolatopsis orientalis D-glucosamine + ?
-
?
chitosan + H2O
-
Amycolatopsis orientalis ?
-
?
chitotetraose + H2O
-
Amycolatopsis orientalis ?
-
?
chitotriose + H2O
-
Amycolatopsis orientalis ?
-
?
additional information no activity is detectable against p-nitrophenyl derivatives of beta-D-glucopyranoside, beta-D-xylopyranoside, beta-D-mannoside, beta-D-glucuronide, beta-D-galactoside, beta-D-N-acetylgalactosaminide, beta-D-N-acetylglucosaminide and alpha-D-N-acetylglucosaminide Amycolatopsis orientalis ?
-
?
p-nitrophenyl beta-D-glucosaminide + H2O
-
Amycolatopsis orientalis p-nitrophenol + beta-D-glucosamine
-
?

Subunits

Subunits Comment Organism
? x * 110557, calculated from sequence Amycolatopsis orientalis

Synonyms

Synonyms Comment Organism
CsxA
-
Amycolatopsis orientalis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
-
Amycolatopsis orientalis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
additional information
-
additional information kcat for high-molecular mass chitosan is 2832 per min Amycolatopsis orientalis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.3
-
-
Amycolatopsis orientalis

pI Value

Organism Comment pI Value Maximum pI Value
Amycolatopsis orientalis
-
-
8.8