SRE0053
Lysostaphin from Staphylococcus staphylolyticus
Suitable for manufacturing of diagnostic kits and reagents., lyophilized powder
Synonym(s):
Glycyl-glycine Endopeptidase
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.32
Recommended Products
biological source
bacterial (Staphylococcus sp.)
Quality Level
form
lyophilized powder
specific activity
≥500 units/mg protein
mol wt
26,926 Da
composition
protein, 50-70% biuret
packaging
pkg of (package size sold on basis of mg protein)
concentration
50—70% protein
suitability
suitable for microbiological tests
application(s)
diagnostic assay manufacturing
shipped in
wet ice
storage temp.
−20°C
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General description
Lysostaphin is a glycylglycine endopeptidase. It is an important antibacterial enzyme.
Biochem/physiol Actions
Lysostaphin has the ability to cleave both viable and heat-killed S. aureus cells. It is one of the major antibacterial agents for the staphylococci. Lysostaphin cleaves the cross-linking pentaglycine bridges in the cell walls of staphylococci. Thus it is considered as an antistaphylococcal therapeutic agent.
Lysostaphin is a zinc endopeptidase with a molecular weight of approximately 25 kDa. Because lysostaphin cleaves the polyglycine cross-links in the peptidoglycan layer of the cell wall of Staphylococcus species it has been found useful for cell lysis and also as a potential anti-microbial therapeutic.
pH Optimum for activity: ~7.5
pH Optimum for activity: ~7.5
Unit Definition
One unit will reduce the turbidity (A620) of a suspension of Staphylococcus aureus cells from 0.250 to 0.125 in 10 min at pH7.5 at 37°C in a 6.0ml reaction mixture.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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