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Key Documents

V3639

Sigma-Aldrich

Valinomicina

Ready Made Solution, ~1 mg/mL in DMSO

Sinonimo/i:

Ciclo(L-Val-D-HyIva-D-Val-L-Lac-)3: HyIva = acido α-idrossiisovalerico, Lac = acido lattico

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About This Item

Formula empirica (notazione di Hill):
C54H90N6O18
Numero CAS:
Peso molecolare:
1111.32
Beilstein:
78657
Numero MDL:
Codice UNSPSC:
51101500
ID PubChem:

Origine biologica

Streptomyces sp.

Livello qualitativo

Saggio

≥90% (HPLC)

Forma fisica

liquid

Condizioni di stoccaggio

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

Concentrazione

~1 mg/mL in DMSO

Colore

colorless

Spettro attività antibiotica

Gram-positive bacteria
parasites
viruses

Modalità d’azione

cell membrane | interferes

Condizioni di spedizione

wet ice

Temperatura di conservazione

2-8°C

Stringa SMILE

CC(C)[C@@H]1NC(=O)[C@H](C)OC(=O)[C@@H](NC(=O)[C@H](OC(=O)[C@@H](NC(=O)[C@H](C)OC(=O)[C@H](NC(=O)[C@H](OC(=O)[C@@H](NC(=O)[C@H](C)OC(=O)[C@H](NC(=O)[C@H](OC1=O)C(C)C)C(C)C)C(C)C)C(C)C)C(C)C)C(C)C)C(C)C)C(C)C

InChI

1S/C54H90N6O18/c1-22(2)34-49(67)73-31(19)43(61)55-38(26(9)10)53(71)77-41(29(15)16)47(65)59-36(24(5)6)51(69)75-33(21)45(63)57-39(27(11)12)54(72)78-42(30(17)18)48(66)60-35(23(3)4)50(68)74-32(20)44(62)56-37(25(7)8)52(70)76-40(28(13)14)46(64)58-34/h22-42H,1-21H3,(H,55,61)(H,56,62)(H,57,63)(H,58,64)(H,59,65)(H,60,66)/t31-,32-,33-,34-,35+,36+,37-,38-,39-,40+,41+,42+/m0/s1
FCFNRCROJUBPLU-RPUZOQEISA-N

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Categorie correlate

Descrizione generale

Chemical structure: peptide

Applicazioni

Valinomycin is a cyclic dodecadepsipeptides with potassium ionophoric properties. It is used to study ion transport in biological systems. It is used to study its inhibitory effect on intact cells and the growth of bacteria and yeast. It is used to induce apoptosis.

Azioni biochim/fisiol

Ciclodepsipeptide ionoforico K+-selettivo; ionoforo di potassio che disaccoppia la fosforilazione ossidativa, induce l′apoptosi nei timociti murini, inibisce la differenziazione neuronale indotta dal NGF e antagonizza la vasocostrizione indotta dalla ET.
Valinomycin is a K+-selective ionophoric cyclodepsipeptide. It is a potassium ionophore which uncouples oxidative phosphorylation, induces apoptosis in murine thymocytes, inhibits NGF-induced neuronal differentiation and antagonizes ET-induced vasoconstriction. It is reported to be insecticidal, nematicidal and antiviral.

Altre note

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

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

188.6 °F - closed cup

Punto d’infiammabilità (°C)

87 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


Certificati d'analisi (COA)

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I clienti hanno visto anche

Marcel H Tempelaars et al.
Applied and environmental microbiology, 77(8), 2755-2762 (2011-03-02)
Cereulide and valinomycin are highly similar cyclic dodecadepsipeptides with potassium ionophoric properties. Cereulide, produced by members of the Bacillus cereus group, is known mostly as emetic toxin, and no ecological function has been assigned. A comparative analysis of the antimicrobial
Katrin Feldbauer et al.
Proceedings of the National Academy of Sciences of the United States of America, 106(30), 12317-12322 (2009-07-11)
Since its discovery, the light-gated cation channel Channelrhodopsin-2 (ChR2) has proven to be a long-sought tool for the noninvasive, light-activated control of neural cells in culture and in living animals. Although ChR2 is widely used in neurobiological applications, little is
Ko-Shing Chang et al.
Biosensors & bioelectronics, 31(1), 137-143 (2011-11-01)
A silicon nanowire field-effect transistor (SiNW-FET) coated with a polyvinyl chloride (PVC) membrane containing valinomycin (VAL) was employed as a biosensor (referred to as VAL-PVC/SiNW-FET) to detect the K(+)-efflux from live chromaffin cells. The detection sensitivity of K(+) with the
Viktor K Jirsa et al.
Brain : a journal of neurology, 137(Pt 8), 2210-2230 (2014-06-13)
Seizures can occur spontaneously and in a recurrent manner, which defines epilepsy; or they can be induced in a normal brain under a variety of conditions in most neuronal networks and species from flies to humans. Such universality raises the
TianHua Zhang et al.
Biochimica et biophysica acta, 1838(10), 2425-2430 (2014-05-27)
Daptomycin is a lipopeptide antibiotic that is used clinically to treat severe infections caused by Gram-positive bacteria. Its bactericidal action involves the calcium-dependent binding to membranes containing phosphatidylglycerol, followed by the formation of membrane-associated oligomers. Bacterial cells exposed to daptomycin

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