L2898
Lysostaphin from Staphylococcus staphylolyticus
aseptically filled
Synonym(s):
Glycyl-glycine Endopeptidase
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
sterility
aseptically filled
Quality Level
form
powder
specific activity
>500 units/mg protein
mol wt
25 kDa
composition
Protein, 40-70% biuret
antibiotic activity spectrum
Gram-positive bacteria
Mode of action
cell wall synthesis | interferes
storage temp.
−20°C
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General description
Chemical structure: peptide
Lysostaphin is mainly liberated as a proenzyme. It is highly stable at pH 4 and temperature 5°C.
Biochem/physiol Actions
Lysostaphin exhibit a lytic action against Staphylococcus aureus. It possesses several functions of three major enzymes, such as, glycylglycine endopeptidase, endo-β-N-acetyl glucosamidase and N-acteyl muramyl-L-alanine amidase. Lysostaphin can be used to treat antibiotic-resistant staphylococcal infections. Lysostaphin being an antistaphylococcal agent, can be used as a preservative in the food industry and in clinical labs for rapid screening.
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 pH 7.5 at 37 °C in a 6.0 ml reaction mixture.
Preparation Note
Prepared from L 7386
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
常规特殊物品
Certificates of Analysis (COA)
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Lysostaphin: an antistaphylococcal agent
Kumar J K
Applied Microbiology and Biotechnology, 80(4), 555-561 (2008)
Fuying Cui et al.
Drug delivery, 17(8), 617-623 (2010-08-24)
Nasal colonization of Staphylococcus aureus (S.aureus) is known as a significant risk factor for nosocomial infections, and clearance of its nasal colonization greatly reduces the risk. In the present study the preparation and characterizations of the chitosan-o/w cream incorporated with
Igor Belyansky et al.
The Journal of surgical research, 171(2), 409-415 (2011-06-24)
Lysostaphin (LS), a naturally occurring Staphylococcal endopeptidase, has the ability to penetrate biofilm, and has been identified as a potential antimicrobial to prevent mesh infection. The goals of this study were to determine if LS adhered to porcine mesh (PM)
A P Desbois et al.
European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 30(8), 1015-1021 (2011-02-12)
Drug-resistant staphylococci constitute a serious problem that urgently requires the discovery of new therapeutic agents. There has been a resurgence in interest in using lysostaphin (a specific anti-staphylococcal enzyme) as a treatment for infections caused by these important pathogens. However
M Fenton et al.
Journal of applied microbiology, 111(4), 1025-1035 (2011-08-05)
To develop an efficient purification strategy for the bacteriophage lysin CHAP(K) . To evaluate its antibacterial spectrum(,) enzymatic properties, optimal reaction conditions and lytic activity against live Staphlyococcus aureus. Recombinant CHAP(K) was purified to homogeneity by cation exchange chromatography, with
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
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