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50847 Sigma-Aldrich

Gramicidin C from Bacillus brevis

~90% (HPLC)

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Properties

Related Categories A - K, Antibacterial, Antibiotics, Antibiotics A to Z, Antibiotics G-M,
biological source   Bacillus brevis
assay   ~90% (HPLC)
form   powder
impurities   ≤5% water
color   white to off-white
Mode of action   cell membrane | interferes
  enzyme | inhibits
antibiotic activity spectrum   Gram-negative bacteria
  Gram-positive bacteria
storage temp.   2-8°C

Description

General description

Chemical structure: peptide

Application

Gramicidin is a naturally occuring polypeptide antibiotic. It functions as a transmembrane ion channel and is used for studies on phospholipid bilayer membrane fluidity measured by lateral diffusion.

Biochem/physiol Actions

Gramicidin′s bactericidal activity is a result of increasing the permeability of the bacterial cell membrane. This allows inorganic monovalent cations to travel through unrestricted which thereby destroys the ion gradient between the cytoplasm and the extracellular environment .

Naturally occuring polypeptide antibiotic with Tyr at position 11; functions as a transmembrane ion channel.

Packaging

10mg

Other Notes

Keep container tightly closed in a dry and well-ventilated place.Keep in a dry place. Keep in a dry place.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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