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A6559

Sigma-Aldrich

Adenosine 5′-triphosphate disodium salt solution

Crystalline ATP, HPLC purified, aqueous solution for RNA transcription

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Synonym(s):
ATP
CAS Number:
987-65-5
MDL number:
MFCD00080339
UNSPSC Code:
41106305
eCl@ss:
32160414
PubChem Substance ID:
24891106
NACRES:
NA.52

Quality Level

300

form

liquid

concentration

100 mM in H2O (adjusted to pH 7 with Trizma®
base)

foreign activity

DNase, RNase, none detected

shipped in

dry ice

storage temp.

−20°C

SMILES string

[Na+].[Na+].Nc1ncnc2n(cnc12)[C@@H]3O[C@H](COP(O)(=O)OP([O-])(=O)OP(O)([O-])=O)[C@@H](O)[C@H]3O

InChI

1S/C10H16N5O13P3.2Na/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(26-10)1-25-30(21,22)28-31(23,24)27-29(18,19)20;;/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H,23,24)(H2,11,12,13)(H2,18,19,20);;/q;2*+1/p-2/t4-,6-,7-,10-;;/m1../s1

InChI key

TTWYZDPBDWHJOR-IDIVVRGQSA-L

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General description

Adenosine 5′-triphosphate disodium salt solution is suitable for use in molecular biology applications such as kinase reactions or DNA-dependent RNA polymerase transcription.

Application

Adenosine 5′-triphosphate disodium salt solution has been used:
  • as a standard to evaluate the extracellular ATP release from marginal cells of stria vascular
  • as a component of the internal pipette solution to establish a recording electrode to study neurite stretching
  • in in vitro VPS34 (catalytic subunit of the phosphatidylinositol 3-kinase (PtdIns3K) complex) activity assay
  • as a component of lysis and resealing buffers for ATP studies
  • in spectrophotometric measurement of H+ transport in fluorescein isothiocyanate (FITC)-dextran loaded A549 (adenocarcinomic human alveolar basal epithelial cells) and HeLa cells
  • to induce pyroptosis in lipopolysaccharide treated fibroblast-like synoviocytes (FLSs)

Biochem/physiol Actions

Adenosine 5′-triphosphate (ATP) is an important energy currency in all living organisms. It possesses high phosphate transfer potential. ATP is involved in several biological processes such as membrane transport, muscle contraction and synthesis, and degradation of biological molecules. It plays a role as an intracellular and extracellular signaling molecule in certain cellular processes such as cell motility, organ development, neurotransmission, and insulin secretion.

Legal Information

Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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  1. How does the storage temperature relate to shipping conditions?

    The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment. See Shipping and Storage for more information.

  2. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  3. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  4. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  5. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  6. Can Product A6559, Adenosine 5´-triphosphate disodium salt solution, be used in molecular biology applications?

    This is a Molecular Biology grade ATP. It is certified free of DNase and RNase. This product is recommended for any typical molecular biology application.

  7. Can this preparation of Product A6559, Adenosine 5´-triphosphate disodium salt solution, be used as an ATP standard?

    This preparation of ATP is not recommended for use as an ATP standard. The recommended ATP products for use as a standard in bioluminescence experiments is Product Code FL-AAS (preweighed vials of 1 mg each = 2 micromole).

  8. What is meant by 25UMO in the size description of Product A6559, Adenosine 5´-triphosphate disodium salt solution?  What is the product dissolved in?

    25UMO means 25 micromoles.  The 25 UMO size is equivalent to 250 μl of a 100 mM solution. This product is a 100 mM solution in water; the solution pH has been adjusted with Trizma base but contains no additional buffer or salts.

  9. Can Product A6559, Adenosine 5´-triphosphate disodium salt solution, be used for in vitro transcription?

    The purity of this product should be sufficient for use in T7 RNA polymerase-catalyzed in vitro transcription assay, but we do not test the product for use in that application in our quality control process.

  10. How long can aqueous ATP solutions like Product No. A6559 be stored?

    Aqueous solutions of ATP are stable for months when frozen in solution at -15 °C and for approximately one week at 0 °C.  As with most products, we guarantee the quality of this material for 1 year when stored unopened at the recommended storage temperature (-20°C in this case).

  11. What is the binding affinity of ATP (Product No. A6559) for Mg++ and other metal ions?

    ATP has intrinsic metal binding affinity. The binding constant for various metals are (given as per mole): Mg++, 9554; Na+, 13; Ca++, 3722; K+, 8; Sr++, 1381; Li+, 25.  The ability of ATP to chelate magnesium results in effective Mg++ ion concentrations lower than the total Mg ion concentration.  For example, in a reaction with 1.5mM Mg++ and 0.2 mM ATP, the effective Mg ion concentration is ~1.3mM.

  12. What is the millimolar extinction coefficient for ATP, Product No. A6559?

    The millimolar extinction coefficient (EmM) is 15.4, measured at 259 nm for a sample in 100 mM phosphate buffer, pH 7.0.

  13. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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PLoS genetics, 12(2), e1005873-e1005873 (2016-02-20)
Epigenetic gene silencing plays a critical role in regulating gene expression and contributes to organismal development and cell fate acquisition in eukaryotes. In fission yeast, Schizosaccharomyces pombe, heterochromatin-associated gene silencing is known to be mediated by RNA processing pathways including
Cooper GM
The Cell: A Molecular Approach (2000)
DRAM1 regulates autophagy flux through lysosomes.
Zhang XD
PLoS ONE, 8(5), e63245-e63245 (2013)
Bin Liu et al.
Cell calcium, 76, 62-71 (2018-10-03)
Adenosine triphosphate (ATP) is stored as lysosomal vesicles in marginal cells of the stria vascular in neonatal rats, but the mechanisms of ATP release are unclear. Primary cultures of marginal cells from 1-day-old Sprague-Dawley rats were established. P2Y2 receptor and
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