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SML1779

Nigericin sodium salt

from Streptomyces hygroscopicus, ≥98% (HPLC), solution, polyether ionophore

Synonim(y):

3B2-6379, Antibiotic K178, Antibiotic X464, Azalomycin M, HE331800, Helexin C, Polyetherin A, sodium;2-[(3S,6R)-6-[[(5R,6R,7R,9R)-2-[5-[(3S,5R)-5-[(2S,3S,5R,6R)-6-hydroxy-6-(hydroxymethyl)-3,5-dimethyloxan-2-yl]-3-methyloxolan-2-yl]-5-methyloxolan-2-yl]-7-methoxy-2,4,6-trimethyl-1,10-dioxaspiro[4.5]decan-9-yl]methyl]-3-methyloxan-2-yl]propanoate

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Rozmiar/SKUDostępnośćCena netto
1 mL
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923,00 zł

Informacje o tej pozycji

Wzór empiryczny (zapis Hilla):
C40H67NaO11
Numer CAS:
Masa cząsteczkowa:
746.94
UNSPSC Code:
12352200
NACRES:
NA.77
Form:
solution

923,00 zł


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Nazwa produktu

Nigericin sodium salt Ready Made Solution, 5 mg/mL (DMSO:ethanol 1:1)

biological source

Streptomyces hygroscopicus

Quality Segment

form

solution

concentration

5 mg/mL (DMSO:ethanol 1:1)

antibiotic activity spectrum

Gram-positive bacteria

mode of action

cell membrane | interferes

shipped in

ambient

storage temp.

2-8°C

SMILES string

[Na+].[O-]C(=O)C(C1O[C@H](CC[C@@H]1C)C[C@H]2O[C@]3(OC(CC3C)(C4OC(CC4)(C5O[C@H](C[C@@H]5C)[C@H]6O[C@@]([C@@H](C[C@@H]6C)C)(O)CO)C)C)[C@@H]([C@@H](C2)OC)C)C

InChI

1S/C40H68O11.Na/c1-21-11-12-28(46-33(21)26(6)36(42)43)17-29-18-30(45-10)27(7)40(48-29)25(5)19-38(9,51-40)32-13-14-37(8,49-32)35-23(3)16-31(47-35)34-22(2)15-24(4)39(44,20-41)50-34;/h21-35,41,44H,11-20H2,1-10H3,(H,42,43);/q;+1/p-1/t21-,22-,23-,24+,25?,26?,27+,28+,29+,30+,31+,32?,33?,34-,35?,37?,38?,39-,40+;/m0./s1

InChI key

MOYOTUKECQMGHE-KKCUGXASSA-M

Biochem/physiol Actions

Nigericin is a polyether ionophore which catalyzes the electroneutral exchange of alkali metal (K+) for H+ (antiport).
Nigericin is a polyether ionophore which catalyzes the electroneutral exchange of alkali metal (K+) for H+ (antiport). Nigericin transports monovalent cations across membranes with the following specificity: K+ >Rb+ >Cs+ >>Na+ and thus, disrupts membrane potential and stimulates ATPase activity in mitochondria.
Nigericin kills bacteria by facilitating the diffusion of ions across membranes.
Low concentration (0.5 μM) of Nigericin rapidly decreases pHi, causing stimulation of PG production 1.5- to 2-fold in cerebral microvascular endothelial cells and arresting of DNA synthesis in Erlich acites carcinoma cells. Treatment of Hela cells, after entry of poliovirus, with nigericin, prevents the inhibition of host protein synthesis by poliovirus. Nigericin is also widely used in studies of the consequences of changes in membrane potential in variable systems.

Preparation Note

Nigericin sodium salt ready made solution is provided at 6.7 mM concentration. The solution can be further diluted with a desired solvent to a working concentration (0.5-10 μM).
The product can be stored at 2-8°C and is released with a 4 years suggested retest schedule. The solution is quite stable refrigerated and freezing is not necessary.
This product is a 5 mg/mL solution prepared in a 1:1 mixture of DMSO and Ethanol.
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Ta pozycja
N7143SML2251S8063
description

5 mg/mL (DMSO:ethanol 1:1)

description

≥98% (TLC)

description

≥98% (HPLC)

description

lyophilized powder, from microbial

form

solution

form

powder

form

powder

form

lyophilized powder

Quality Level

200

Quality Level

300

Quality Level

-

Quality Level

100

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

−20°C

shipped in

ambient

shipped in

-

shipped in

-

shipped in

-

biological source

Streptomyces hygroscopicus

biological source

Streptomyces hygroscopicus

biological source

Streptomyces nanchangensis

biological source

microbial

concentration

5 mg/mL (DMSO:ethanol 1:1)

concentration

-

concentration

-

concentration

-


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Piktogramy

Flame

Słowo ostrzegawcze

Warning

Kody zagrożeń

Hazard Classifications

Flam. Liq. 3

Klasa składowania

3 - Flammable liquids

Co się dzieje?

WGK 2

Temperatura zapłonu (°F)

78.8 °F

Temperatura zapłonu (°C)

26 °C



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Questions

  1. How stable is the antibiotic in solution, how long can I store it for? Can I freeze a few aliquots in -80 deg C, or will it cause the chemical to denature?

    1 answer
    1. This product is a 5 mg/mL solution prepared in a 1:1 mixture of DMSO and Ethanol. The product is stored at 2-8°C and is released with a 4 years suggested retest schedule. The solution is quite stable refrigerated and freezing is not necessary. However, the pure powder product (N7143) is stable at -20°C for at least 3 months when dissolved in DMSO or Ethanol. Storage at less than -20°C has not been evaluated. Please see the link below for a sample Certificate of Analysis which includes the recommended retest date:
      https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/SML1779-1ML0000225533.pdf

      Please see the link below to review the product datasheet for the powdered Nigericin, N7143:
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/379/493/n7143pis.pdf

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