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Merck
CN

X3254

Sigma-Aldrich

Xylanase 1, thermostable

recombinant, expressed in E. coli, ≥90% (SDS-PAGE)

Synonym(s):

Xylanase , thermostable

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About This Item

CAS Number:
UNSPSC Code:
12352204
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recombinant

expressed in E. coli

Assay

≥90% (SDS-PAGE)

form

liquid

specific activity

≥40 units/mg protein

mol wt

45 kDa

concentration

≥20 mg protein/mL (Bradford)

shipped in

wet ice

storage temp.

2-8°C

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Biochem/physiol Actions

Xylanase is a member of a family of glycoside hydrolases responsible for the breakdown of xylan in plants by cleaving the β 1,4 backbone.

Physical form

Supplied as a solution in 50 mM Tris-HCl, pH 7.5, 100 mM NaCl, and 25% glycerol.

Other Notes

One unit will produce 1 μmole of reducing sugar (measured as xylose) from xylan per minute at pH 5.8 at 70 °C.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Tony Collins et al.
FEMS microbiology reviews, 29(1), 3-23 (2005-01-18)
Xylanases are hydrolytic enzymes which randomly cleave the beta 1,4 backbone of the complex plant cell wall polysaccharide xylan. Diverse forms of these enzymes exist, displaying varying folds, mechanisms of action, substrate specificities, hydrolytic activities (yields, rates and products) and
Qun Wan et al.
Acta crystallographica. Section F, Structural biology and crystallization communications, 69(Pt 3), 320-323 (2013-03-23)
Xylanase II from Trichoderma reesei catalyzes the hydrolysis of glycosidic bonds in xylan. Crystallographic studies of this commercially important enzyme have been initiated to investigate its reaction mechanism, substrate binding and dependence on basic pH conditions. The wild-type protein was
André Luiz Grigorevski-Lima et al.
Applied biochemistry and biotechnology, 169(4), 1373-1385 (2013-01-12)
Trichoderma atroviride 676 was studied to evaluate its efficiency in the production of some lignocellulolytic enzymes, using lignocellulosic residual biomass. Best results were obtained when 3.0 % (w/v) untreated sugarcane bagasse was used (61.3 U mL(-1) for xylanase, 1.9 U mL(-1)
Jingni Wu et al.
BMC biotechnology, 13, 4-4 (2013-01-22)
During rice blast fungal attack, plant xylanase inhibitor proteins (XIPs) that inhibit fungal xylanase activity are believed to act as a defensive barrier against fungal pathogens. To understand the role of XIPs in rice, a xylanase inhibitor was cloned from
Tseng-Hsing Wang et al.
Food chemistry, 138(2-3), 1531-1535 (2013-02-16)
The effective production of xylooligosaccharides (XOS) from wheat bran was investigated. Wheat bran contains rich hemicellulose which can be hydrolyzed by enzyme; the XOS were obtained by microwave assisted enzymatic hydrolysis. To improve the productivity of XOS, repeated microwave assisted

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