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L7386

Sigma-Aldrich

Lysostaphin from Staphylococcus staphylolyticus

lyophilized powder, Protein 50-70 % by biuret, ≥500 units/mg protein

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Synonym(s):
Glycyl-glycine Endopeptidase
CAS Number:
Enzyme Commission number:
MDL number:
NACRES:
NA.54

biological source

microbial (Staphylococcus staphylotyticus)

Quality Level

form

lyophilized powder

specific activity

≥500 units/mg protein

mol wt

25 kDa

composition

Protein, 50-70% biuret

packaging

pkg of (sold on basis of mg protein)

solubility

water: 2.00-2.10 mg/mL, clear to slightly hazy, colorless to light yellow

antibiotic activity spectrum

Gram-positive bacteria

application(s)

diagnostic assay manufacturing
diagnostic assay manufacturing

Mode of action

cell wall synthesis | interferes

shipped in

wet ice

storage temp.

−20°C

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1 of 4

This Item
SRE0053L2898L9043
Quality Level

300

Quality Level

400

Quality Level

200

Quality Level

-

form

lyophilized powder

form

lyophilized powder

form

powder

form

lyophilized powder

shipped in

wet ice

shipped in

wet ice

shipped in

-

shipped in

dry ice

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

solubility

water: 2.00-2.10 mg/mL, clear to slightly hazy, colorless to light yellow

solubility

-

solubility

-

solubility

-

General description

Chemical structure: peptide

Biochem/physiol Actions

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

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.

Pictograms

Health hazard

Signal Word

Danger

Hazard 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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Ian R Monk et al.
Nature communications, 10(1), 3067-3067 (2019-07-13)
WalKR (YycFG) is the only essential two-component regulator in the human pathogen Staphylococcus aureus. WalKR regulates peptidoglycan synthesis, but this function alone does not explain its essentiality. Here, to further understand WalKR function, we investigate a suppressor mutant that arose
Catherine Bennett et al.
International forum of allergy & rhinology, 9(8), 918-925 (2019-06-05)
Chronic rhinosinusitis (CRS) is a common disease, often refractory to conventional antimicrobial treatment. In this study we investigate the antimicrobial and anti-inflammatory effects of adding kappa-carrageenan to a commercially available sinus rinse. Kappa-carrageenan was added to Flo CRS and Flo
Judy J J Ou et al.
Frontiers in cellular and infection microbiology, 6, 187-187 (2017-01-14)
Background:Staphylococcus aureus (S. aureus) small colony variants (SCVs) can survive within the host intracellular milieu and are associated with chronic relapsing infections. However, it is unknown whether host invasion rates and immune responses differ between SCVs and their wild-type counterparts.
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)
G Thumm et al.
Molecular microbiology, 23(6), 1251-1265 (1997-03-01)
Lysostaphin is an extracellular glycylglycine endopeptidase produced by Staphylococcus simulans biovar staphylolyticus ATCC1362 that lyses staphylococcal cells by hydrolysing the polyglycine interpeptide bridges of the peptidoglycan. Renewed analysis of the sequence of the lysostaphin gene (lss), and the sequencing of

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