21-hydroxy Oligomycin A
mRNA synthesis
In vitro transcription of capped mRNA with modified nucleotides and Poly(A) tail
Tyramide Signal Amplification (TSA)
TSA (Tyramide Signal Amplification), used for signal amplification of ISH, IHC and IC etc.
Phos Binding Reagent Acrylamide
Separation of phosphorylated and non-phosphorylated proteins without phospho-specific antibody
Cell Counting Kit-8 (CCK-8)
A convenient and sensitive way for cell proliferation assay and cytotoxicity assay
SYBR Safe DNA Gel Stain
Safe and sensitive stain for visualization of DNA or RNA in agarose or acrylamide gels.
Inhibitor Cocktails
Protect the integrity of proteins from multiple proteases and phosphatases for different applications.
21-hydroxy Oligomycin A is an antibiotic which was first isolated from S. cyaneogriseus ssp.noncyanogenus [1]. 21-hydroxy Oligomycin A functions as μM inhibitor of the multidrug efflux pump P-gp, and low nM inhibitors of K-Ras PM localization [1].
Cancer cell viability screening confirmed that 21-hydroxy Oligomycin A was cytotoxic to human colorectal carcinoma cells (IC50 > 3 μM), and was inhibitor of the ABC transporter efflux pump P-glyco-protein (P-gp). Significantly, 21-hydroxy Oligomycin A was exceptionally potent inhibitor of K-Ras PM localisation with Emax of 0.67–0.75 and an IC50 of 1.5–14 nM [1]. 21-hydroxy Oligomycin A was inhibitor of K-Ras PM localisation in MDCK cell with an IC50 of 4.82 ± 0.70 nM. 21-hydroxy Oligomycin A was moderately cytotoxic towards both SW620 and SW620 Ad300 cells with the IC50 of 14.4 ± 0.6 and 11.8 ± 3.1 μM, respectively. In the flow cytometry assay, 21-hydroxy Oligomycin A (20 μM) increased intracellular calcein fluorescence significantly when compared with the negative control [1].
Reference:
[1] Salim A A, Tan L, Huang X C, et al. Oligomycins as inhibitors of K-Ras plasma membrane localisation[J]. Organic & biomolecular chemistry, 2016, 14(2): 711-715.
Physical Appearance | A lyophilisate |
Storage | Store at -20°C |
M.Wt | 807.1 |
Cas No. | 102042-09-1 |
Formula | C45H74O12 |
Solubility | Soluble in DMSO |
Chemical Name | (1R,2'S,4E,5'S,6S,6'S,7R,8S,10R,11R,12S,14R,15S,16R,18E,20E,22R,25S,28S,29R)-22-ethyl-3',4',5',6'-tetrahydro-7,11,14,15,23-pentahydroxy-6'-[(2R)-2-hydroxypropyl]-5',6,8,10,12,14,16,28,29-nonamethyl-spiro[2,26-dioxabicyclo[23.3.1]nonacosa-4,18,20-triene-27 |
SDF | Download SDF |
Canonical SMILES | O=C([C@@H](C)[C@H](O)[C@@H](C)/C=C/1)[C@H](C)[C@@H](O)[C@H](C)C([C@@](O)(C)[C@@H](O)[C@H](C)C/C=C/C=C/[C@H](CC)[C@H](O)C[C@@]2([H])[C@@H](C)[C@@]([C@H](C)[C@@]3(CC[C@H](C)[C@@](C[C@H](O)C)([H])O3)O2)([H])OC1=O)=O |
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