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L7773
Lysozyme from chicken egg white
aseptically filled
Synonim(y):
Mucopeptide N-acetylmuramoylhydrolase, Muramidase
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| Do Państwa/SKU | Dostępność | Cena netto |
|---|---|---|
50 mg | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 1410,00 zł 1198,50 zł |
Informacje o tej pozycji
Numer CAS:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
235-747-3
MDL number:
1198,50 zł
Cena katalogowa1410,00 złZaoszczędź 15%Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności
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Pozwól nam pomócsterility
aseptically filled
Quality Segment
form
powder
enzyme activity
≥40000 units/mg protein
mol wt
single-chain 14.3 kDa
UniProt accession no.
storage temp.
−20°C
Gene Information
chicken ... LYZ(396218)
Application
Enzyme breaks down the cell walls of bacteria; used to prepare spheroplasts.
Biochem/physiol Actions
Lysozyme hydrolyzes β(1→4) linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrin. Gram-positive cells are quite susceptible to this hydrolysis as their cell walls have a high proportion of peptidoglycan. Gram-negative bacteria are less susceptible due to the presence of an outer membrane and a lower proportion of peptidoglycan. However, these cells may be hydrolyzed in the presence of EDTA that chelates metal ions in the outer bacterial membrane.
The enzyme is active over a broad pH range (6.0 to 9.0). At pH 6.2, maximal activity is observed over a wider range of ionic strengths (0.02 to 0.100 M) than at pH 9.2 (0.01 to 0.06 M).
The enzyme is active over a broad pH range (6.0 to 9.0). At pH 6.2, maximal activity is observed over a wider range of ionic strengths (0.02 to 0.100 M) than at pH 9.2 (0.01 to 0.06 M).
Lysozyme hydrolyzes β(1→4) linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrin. Gram-positive cells are quite susceptible to this hydrolysis as their cell walls have a high proportion of peptidoglycan.
Preparation Note
Prepared from L6876
Other Notes
One unit will lyse 0.6 μg of Micrococcus lysodeikticus per minute by turbidimetric detection at 600 nm when suspended in buffer at pH 6.2 at 25 °C.
View more information on enzymes for complex carbohydrate analysis at www.sigma-aldrich.com/enzymeexplorer
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Ta pozycja | |||
|---|---|---|---|
| Gene Information chicken ... LYZ(396218) | Gene Information chicken ... LYZ(396218) | Gene Information chicken ... LYZ(396218) | Gene Information chicken ... LYZ(396218) |
| form powder | form powder (crystalline) | form liquid | form powder |
| mol wt single-chain 14.3 kDa | mol wt single-chain 14.3 kDa, Mr ~14600 | mol wt single-chain 14.3 kDa | mol wt single-chain 14.3 kDa |
| UniProt accession no. | UniProt accession no. | UniProt accession no. | UniProt accession no. |
| sterility aseptically filled | sterility - | sterility - | sterility - |
| storage temp. −20°C | storage temp. 2-8°C | storage temp. −20°C | storage temp. 2-8°C |
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signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Klasa składowania
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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