M9400
β-Mannosidase from Helix pomatia
5-30 units/mL, ammonium sulfate suspension, crude extract
别名:
β-D-Mannoside mannohydrolase
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关于此项目
化学文摘社编号:
UNSPSC Code:
12352204
NACRES:
NA.32
MDL number:
Concentration:
5-30 units/mL
form
ammonium sulfate suspension
Quality Segment
quality
crude extract
mol wt
94 kDa
concentration
5-30 units/mL
foreign activity
β-N-acetylglucosaminidase and α-mannosidase <1.0%
storage temp.
2-8°C
General description
β-Mannosidase is a lysosomal enzyme that belongs to the glycosyl hydrolase family 2.
Application
β-Mannosidase from Helix pomatia has been used:
- in the digestion of glycans for enzymatic analysis
- in the treatment of labeled monogalactosyl Manno-oligosaccharides
- in non-mammalian glycosidase inhibition assays
Biochem/physiol Actions
β-Mannosidase participates in cleaving the β(1–4)-linked mannose located at the nonreducing end of N-glycosylated proteins. It is involved in the polysaccharide degradation pathway. In humans, mutations in the gene are associated with β-mannosidosis, a lysosomal storage disease. Low levels of β-Mannosidase due to mutations also lead to nystagmus, an eye disorder associated with involuntary eye movements.
Physical form
Suspension in 3.0 M (NH4)2SO4 containing 10 mM sodium acetate, pH approx. 4.0
Other Notes
One unit will hydrolyze 1 μmole of p-nitrophenyl-β-D-mannopyranoside to p-nitrophenol and D-mannopyranoside per min at pH 4.0 at 25°C.
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存储类别
10 - Combustible liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)