ATPγS tetralithium salt

CAS# 93839-89-5

ATPγS tetralithium salt

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Chemical structure

ATPγS tetralithium salt

3D structure

Chemical Properties of ATPγS tetralithium salt

Cas No. 93839-89-5 SDF Download SDF
PubChem ID 5311341 Appearance Powder
Formula C10H12Li4N5O12P3S M.Wt 546.98
Type of Compound N/A Storage Desiccate at -20°C
Synonyms  ATP-γS
Solubility Soluble to 50 mM in water
Chemical Name tetralithium;[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] dioxidophosphinothioyl phosphate
SMILES [Li+].[Li+].[Li+].[Li+].C1=NC2=C(C(=N1)N)N=CN2C3C(C(C(O3)COP(=O)([O-])OP(=O)([O-])OP(=S)([O-])[O-])O)O
Standard InChIKey DWQFDOIBOYDYKH-KWIZKVQNSA-J
Standard InChI InChI=1S/C10H16N5O12P3S.4Li/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(25-10)1-24-28(18,19)26-29(20,21)27-30(22,23)31;;;;/h2-4,6-7,10,16-17H,1H2,(H,18,19)(H,20,21)(H2,11,12,13)(H2,22,23,31);;;;/q;4*+1/p-4/t4-,6-,7-,10-;;;;/m1..../s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of ATPγS tetralithium salt

DescriptionP2 purinergic receptor agonist. Nonhydrolyzable analog of ATP.

ATPγS tetralithium salt Dilution Calculator

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ATPγS tetralithium salt Molarity Calculator

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Preparing Stock Solutions of ATPγS tetralithium salt

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.8282 mL 9.1411 mL 18.2822 mL 36.5644 mL 45.7055 mL
5 mM 0.3656 mL 1.8282 mL 3.6564 mL 7.3129 mL 9.1411 mL
10 mM 0.1828 mL 0.9141 mL 1.8282 mL 3.6564 mL 4.5706 mL
50 mM 0.0366 mL 0.1828 mL 0.3656 mL 0.7313 mL 0.9141 mL
100 mM 0.0183 mL 0.0914 mL 0.1828 mL 0.3656 mL 0.4571 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on ATPγS tetralithium salt

Adenosine 5'-O-(3-thio)triphosphate (ATPgammaS) is a substrate for the nucleotide hydrolysis and RNA unwinding activities of eukaryotic translation initiation factor eIF4A.[Pubmed:13130132]

RNA. 2003 Oct;9(10):1180-7.

Whereas ATPgammaS is often considered a nonhydrolyzable substrate for ATPases, we present evidence that ATPgammaS is a good substrate for the RNA-stimulated nucleotide hydrolysis and RNA unwinding activities of eIF4A. In the presence of saturating single-stranded poly(U) RNA, eIF4A hydrolyzes ATPgammaS.Mg and ATP.Mg with similar steady-state parameters (KM(NTP.Mg) = 66 and 58 microM and kcat = 1.0 and 0.97 min(-1), respectively). ATPgammaS.Mg also supports catalysis of RNA unwinding within 10-fold of the rate supported by ATP.Mg. The identical steady-state rate parameters, in comparison with the expected difference in the intrinsic rate of hydrolysis for ATP and ATPgammaS, suggest a nonchemical rate-limiting step for nucleotide hydrolysis. These results raise caution concerning the assumption that ATPgammaS is a nonhydrolyzable ATP analog and underscore the utility of thio-substituted NTPs as mechanistic probes.

Pharmacological characterization of heterologously expressed ATP-gated cation channels (P2x purinoceptors).[Pubmed:7544432]

Mol Pharmacol. 1995 Aug;48(2):178-83.

cDNAs encoding P2x purinoceptors from human bladder smooth muscle and from rat PC-12 cells were expressed in oocytes and human embryonic kidney 293 cells. Agonist potencies of 2-methylthio-ATP = 2-chloro-ATP = ATP > = 2'- and 3'-O-(4-benzoylbenzoyl)-ATP > or = adenosine-5'-O-(3-thio)-triphosphate > or = P1,P5-di(adenosine-5') pentaphosphate >> ADP prevailed for both P2x purinoceptors. There were two main differences in agonist sensitivity between the two receptors. First, ATP was 10 times more potent at the receptor from bladder (EC50, 0.8 microM) than at the receptor from PC-12 cells (EC50, 8.2 microM). Second, alpha,beta-methylene-ATP and L- and D-beta,gamma-methylene-ATP were agonists in cells expressing the bladder smooth muscle receptor (EC50, 1-3 microM) but were ineffective in cells expressing the PC-12 receptor. The P2 purinoceptor antagonists suramin, pyridoxal phosphate 6-azophenyl-2',4'-disulfonic acid, and pyridoxal-5-phosphate acted similarly at both receptor forms, producing noncompetitive inhibition, with IC50 values of 1-5 microM for suramin and pyridoxal phosphate 6-azophenyl-2',4'-disulfonic acid and 10-20 microM for pyridoxal-5-phosphate. 4,4'-Diisothiocyanatostilbene-2,2'-disulfonic acid distinguished receptor subtypes, producing potent inhibition of the bladder smooth muscle P2x-mediated response, with an IC50 value of 3 microM; it inhibited the PC-12 form by < 40% at 100 or 300 microM. This study thus defines the pharmacological properties of homo-oligomeric forms of these two types of cloned P2x receptor channels.

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