C9830
Chitosanase from Streptomyces griseus
lyophilized powder, >50 units/mg protein (Bradford)
Synonym(s):
Chitosan N-acetylglucosaminohydrolase
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
Pricing and availability is not currently available.
Recommended Products
form
lyophilized powder
Quality Level
specific activity
>50 units/mg protein (Bradford)
purified by
chromatography
solubility
H2O: soluble, clear to slightly hazy, colorless (10U/0.3mL)
foreign activity
chitinase <1.0 units/mg protein
storage temp.
−20°C
Related Categories
1 of 4
This Item | Z101141 | Z101133 | CAD4170 |
|---|---|---|---|
| packaging pack of 1 ea | packaging pack of 1 ea | packaging pack of 1 ea | packaging pack of 12 ea |
| description Standard Hub with 304 Stainless Steel Tubing | description Standard Hub with 304 Stainless Steel Tubing | description Standard Hub with 304 Stainless Steel Tubing | description Standard Hub with 304 Stainless Steel Tubing |
| manufacturer/tradename Cadence Science | manufacturer/tradename Cadence Science 4196 | manufacturer/tradename Cadence Science 4188 | manufacturer/tradename Cadence Science 4170 |
| L 4 in. | L 12 in. | L 12 in. | L 1 in. |
| gauge 14 | gauge 18 | gauge 20 | gauge 25 |
General description
Chitosanase is synthesized from Streptomyces griseus as an extracellular secreted enzyme and corresponds to a molecular weight of 34 kDa.[1] It has a temperature and pH optimum of 60°C and 5.7, respectively. Chitosanase belongs to the glycosyl hydrolase family[1] and comprises α-helical tertiary structure similar to lysozyme with substrate-binding cleft placed between two lobes.[2]
Application
Chitosanase from Streptomyces griseus has been used in a study to assess the effect of chitin sources on production of chitinase and chitosanase. Chitosanase from Streptomyces griseus has also been used in a study to investigate the effective production of chitinase and chitosanase by Streptomyces griseus HUT 6037 using colloidal chitin and various degrees of deacetylation of chitosan.
Chitosanase from Streptomyces griseus has been used in the digestion of lacrimal gland (LG) tissues.[3]
The enzyme from Sigma has been used for the hydrolysis of the crude cell wall preparation of oomycete Aphanomyces euteiches, a major parasite of legume plants.[4] It has also been used for the enzymatic hydrolysis of the fully de-N-acetylated chitosan to get chitosan oligomer mixtures during the preparation of biocompatible chitosan-alginate gel.[5]
Biochem/physiol Actions
Chitosanase catalyzes the endohydrolysis of N-acetylated chitosan specifically at the of β(1,4) linkages between N-acetyl-D-glucosamine and D-glucosamine residues. Chitosanase from Streptomyces griseus is capable of hydrolyzing both chitosan and carboxymethyl cellulose. Chitosanase is found in several types of microorganisms[6] and is used for the lysis of fungal cell walls.[2]
Unit Definition
One unit will release 1 μmole of glucosamine from chitosan per min at pH 5.0 at 37 °C as measured in the fluorimetric assay of Osswald, et al. (1992).
Physical form
Lyophilized powder containing potassium phosphate buffer salts
Preparation Note
For long term solution storage, reconstitute vial with 50% glycerol solution. Dilute to working concentrations with a 0.1% BSA solution.
Other Notes
View more information on enzymes for complex carbohydrate analysis at www.sigma-aldrich.com/enzymeexplorer
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Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Ilham Badreddine et al.
Eukaryotic cell, 7(11), 1980-1993 (2008-09-23)
Chitin is an essential component of fungal cell walls, where it forms a crystalline scaffold, and chitooligosaccharides derived from it are signaling molecules recognized by the hosts of pathogenic fungi. Oomycetes are cellulosic fungus-like microorganisms which most often lack chitin
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Chitosanase from Streptomyces griseus.
A Ohtakara
Methods in enzymology, 161, 505-510 (1988-01-01)
Toshiaki Tanabe et al.
Bioscience, biotechnology, and biochemistry, 67(2), 354-364 (2003-05-06)
Streptomyces griseus HUT 6037 inducibly produced two chitosanases when grown on chitosan. To elucidate the mechanism of degradation of chitinous compound by this strain, chitosanases I and II of S. griseus HUT 6037 were purified and characterized. The purified enzymes
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Chitosanases, enzymes that catalyze the endo-hydrolysis of glycolytic links in chitosan, are the subject of numerous studies as biotechnological tools to generate low molecular weight chitosan (LMWC) or chitosan oligosaccharides (CHOS) from native, high molecular weight chitosan. Glycoside hydrolases belonging
Articles
Enzymatic Assay of Chitosanase from Streptomyces Species
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