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Documentos clave

G0550000

Gramicidin

European Pharmacopoeia (EP) Reference Standard

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About This Item

Número de CAS:
1405-97-6
UNSPSC Code:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

gramicidin

manufacturer/tradename

EDQM

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

InChI

1S/C99H140N20O17/c1-51(2)37-73(109-86(123)59(17)107-81(122)49-105-96(133)82(55(9)10)106-50-121)89(126)108-60(18)87(124)117-84(57(13)14)98(135)119-85(58(15)16)99(136)118-83(56(11)12)97(134)116-80(44-64-48-104-72-34-26-22-30-68(64)72)95(132)112-76(40-54(7)8)92(129)115-79(43-63-47-103-71-33-25-21-29-67(63)71)94(131)111-75(39-53(5)6)91(128)114-78(42-62-46-102-70-32-24-20-28-66(62)70)93(130)110-74(38-52(3)4)90(127)113-77(88(125)100-35-36-120)41-61-45-101-69-31-23-19-27-65(61)69/h19-34,45-48,50-60,73-80,82-85,101-104,120H,35-44,49H2,1-18H3,(H,100,125)(H,105,133)(H,106,121)(H,107,122)(H,108,126)(H,109,123)(H,110,130)(H,111,131)(H,112,132)(H,113,127)(H,114,128)(H,115,129)(H,116,134)(H,117,124)(H,118,136)(H,119,135)/t59-,60-,73+,74+,75+,76+,77-,78-,79-,80-,82-,83-,84+,85-/m0/s1

InChI key

ZWCXYZRRTRDGQE-SORVKSEFSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Application

This European Pharmacopoeia reference standard is intended for use only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

related product

Referencia del producto
Descripción
Precios

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number

Lo sentimos, en este momento no disponemos de COAs para este producto en línea.

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Trial by ordeal: ionic free energies in gramicidin.
Peter C Jordan
Biophysical journal, 83(3), 1235-1236 (2002-08-31)
Olaf S Andersen et al.
IEEE transactions on nanobioscience, 4(1), 10-20 (2005-04-09)
Gramicidin channels are mini-proteins composed of two tryptophan-rich subunits. The conducting channels are formed by the transbilayer dimerization of nonconducting subunits, which are tied to the bilayer/solution interface through hydrogen bonds between the indole NH groups and the phospholipid backbone
Tatsushi Mogi et al.
Cellular and molecular life sciences : CMLS, 66(23), 3821-3826 (2009-08-25)
Gramicidin S and polymyxins are small cationic cyclic peptides and act as potent antibiotics against Gram-negative and Gram-positive bacteria by perturbing integrity of the bacterial membranes. Screening of a natural antibiotics library with bacterial membrane vesicles identified gramicidin S as
E J Prenner et al.
Biochimica et biophysica acta, 1462(1-2), 201-221 (1999-12-11)
Gramicidin S (GS) is a cyclic decapeptide of primary structure [cyclo-(Val-Orn-Leu-D-Phe-Pro)(2)] secreted by Bacillus brevis. It is a powerful antimicrobial agent with potent cidal action on a wide variety of Gram-negative and Gram-positive bacteria as well as on several pathogenic
Gramicidin perforated patch recording and intracellular chloride activity in excitable cells.
N Akaike
Progress in biophysics and molecular biology, 65(3), 251-264 (1996-01-01)
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