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G5002 Sigma-Aldrich

Gramicidin from Bacillus aneurinolyticus (Bacillus brevis)

Linear polypeptide antibiotic complex. A mixture of gramicidins A, B, C, and D.

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Description

Packaging

1, 5 g in glass bottle

100, 500 mg in glass bottle

Application

Gramicidin from Bacillus aneurinolyticus (Bacillus brevis) has been used as a control to measure the rate of diffusion of protonated β-lactams through the lipid bilayer in liposome swelling assay. It has also been used as an analyte for the purpose of infrared laser desorption or ionization from silicon.

Biochem/physiol Actions

Linear polypeptide antibiotic mixture of gramicidin A, B, C, and D. Gramicidin A acts as neutral carrier and helps in the establishment of ion flux across the lipid bilayer.

Linear polypeptide antibiotic, a mixture of gramicidin A, B, C, and D. Gramicidin D, a channel-forming ionophore that flip-flops slowly across the membrane is a known Pgp substrate and surprisingly was found to inhibit Pgp ATPase activity. This inhibition was reversed by other Pgp substrates suggesting a common drug binding site among MDR substrate-type drugs and chemosensitizers.

General description

Chemical structure: peptide

Gramicidin A is a linear pentadecapeptide antibiotic produced by Bacillus brevis. The transmembrane protein contains a left-handed helix with alternating L and D residues.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
MD8225000

Documents

Certificate of Analysis

Certificate of Origin


Milli-Q® Water Purification Solutions
Protocols & Articles
Peer-Reviewed Papers
15

References

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