4403-M
Lysozyme, Chicken Egg White
Native, chicken egg white lysozyme. Inhibits the biological activity of lipopolysaccharides from periodontopathic bacteria.
Synonym(s):
Lysozyme, Chicken Egg White, Muramidase, N-Acetylmuramyl Hydrolase
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About This Item
CAS Number:
UNSPSC Code:
12352202
NACRES:
NA.77
MDL number:
Specific activity:
≥20,000 Shugar units/mg dry wt
Biological source:
chicken egg white
biological source
chicken egg white
description
RTECS - OL5989000
Merck USA index - 14, 5640
form
lyophilized solid
specific activity
≥20,000 Shugar units/mg dry wt
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
technique(s)
cell based assay: suitable
color
off-white
solubility
cold water: 5 mg/mL, aqueous buffer: soluble
suitability
suitable for cell lysis
application(s)
cell analysis
storage temp.
−20°C
General description
Native, chicken egg white lysozyme. Hydrolyzes β1,4 linkages between N-acetylmuramic acid (2-acetamido-2-deoxy-3-O-[1carboxymethyl]-glucopyranose) and N-acetyl-glucosamine residues in chitin. Also hydrolyzes β1,4 linkages between N-acetylmuramic acid and N-acetyl-glucosamine residues in peptidoglycans. Inhibits the biological activity of lipopolysaccharides from periodontopathic bacteria.
Preparation Note
Following reconstitution, aliquot and freeze (-20°C) for long term storage or refrigerate (4°C) for short term storage. Stock solutions are stable for up to 3 days at 4°C or for up to 1 year at -20°C.
Other Notes
One Shugar unit is defined as the amount of enzyme that will cause a decrease in absorbance of 0.001 at 450 nm per min due to lysis of Micrococcus luteus at 25°C, pH 6.2.
Ito, H.O., et al. 1997. J. Periodontal Res. 32, 295.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Standard Handling (A)
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
监管及禁止进口产品
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