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Merck

L2898

Lysostaphin from Staphylococcus staphylolyticus

aseptically filled

Synonym(s):

Glycyl-glycine Endopeptidase

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About This Item

CAS Number:
9011-93-2
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
3.4.24.75 (BRENDA, IUBMB)
MDL number:
MFCD00131556
Specific activity:
>500 units/mg protein

Key Documents

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sterility

aseptically filled

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

Quality Level

200

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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

Preparation Note

Prepared from L 7386

Other Notes

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.

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H334

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

L2898-BULK: + L2898-1MG-PW: + L2898-1000UN: + L2898PROC: + L2898-PH: + L2898-VAR: + L2898-1MG:

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Certificates of Analysis (COA)

Lot/Batch Number
0000493980
0000493980
SLCR3968
SLCR3968
SLCG3890

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Lysostaphin: an antistaphylococcal agent
Kumar J K
Applied Microbiology and Biotechnology, 80(4), 555-561 (2008)
R Satishkumar et al.
Nanotechnology, 22(50), 505103-505103 (2011-11-24)
The objective of this paper was to study the effect of antibody-directed targeting of S. aureus by comparing the activities of lysostaphin conjugated to biodegradable polylactide nanoparticles (NPs) in the presence and in the absence of co-immobilized anti-S. aureus antibody.
Shaw R Gargis et al.
Applied and environmental microbiology, 76(20), 6944-6946 (2010-08-24)
Resistance to lysostaphin, a staphylolytic glycylglycine endopeptidase, is due to a FemABX-like immunity protein that inserts serines in place of some glycines in peptidoglycan cross bridges. These modifications inhibit both binding of the recombinant cell wall targeting domain and catalysis
Igor Belyansky et al.
The American surgeon, 77(8), 1025-1031 (2011-09-29)
Mesh and wound infections during hernia repair are predominantly caused by Staphylococcus aureus. Human acellular dermis (HAD) is known to lose its integrity in the face of large bacterial loads. The goal of this study was to determine if lysostaphin
Yuliya Yurko et al.
Surgical innovation, 19(1), 20-26 (2011-07-12)
Naturally occurring antimicrobial peptides are possibly the "next frontier" in infection prevention. Binding them to mesh could reduce the rate of mesh infections. This study identifies an antimicrobial agent capable of significant antibacterial activity when bound to mesh. Lysozyme, human
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