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50847

Sigma-Aldrich

Gramicidin C from Bacillus brevis

~90% (HPLC)

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About This Item

CAS Number:
9062-61-7
UNSPSC Code:
51101500
NACRES:
NA.85

biological source

Bacillus brevis

Quality Level

100

assay

~90% (HPLC)

form

powder

impurities

≤5% water

color

white to off-white

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria

mode of action

cell membrane | interferes
enzyme | inhibits

storage temp.

2-8°C

SMILES string

CC(C)C[C@@H]1NC(=O)[C@H](CCCN)NC(=O)[C@@H](NC(=O)[C@@H]2CCCN2C(=O)[C@H](Cc3ccccc3)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCN)NC(=O)[C@@H](NC(=O)[C@@H]4CCCN4C(=O)[C@@H](Cc5ccccc5)NC1=O)C(C)C)C(C)C

Related Categories

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.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

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G.A. Brewer
Anal. Profiles Drug Subst., 8, 179-179 (1979)
Dong Hyeon Lee et al.
Yonsei medical journal, 49(3), 459-471 (2008-06-27)
This study examined the expression and function of inward rectifier K(+) channels in cultured rat hepatic stellate cells (HSC). The expression of inward rectifier K(+) channels was measured using real-time RT-PCR, and electrophysiological properties were determined using the gramicidin-perforated patch-clamp
Physiology and Pathology of Chloride Transporters and Channels in the Nervous System: From Molecules to Diseases.
Francisco J. Alvarez-Leefmans; Eric Delpire
Physiology and Pathology of Chloride Transporters and Channels in the Nervous System: From Molecules to Diseases, 142-142 (2009)

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