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Oligo Modifications List | Oligo Modifications Reference Category
Modification : Locked Analog G
Reference Catalog Number 26-6518
Category Duplex Stability
Modification Code +G
5 Prime Y
3 Prime Y
Internal Y
Molecular Weight (mw) 357.22
Extinction Coeficient (ec) 11.5
Technical Info (pdf) PS26-6518.pdf
Abvsorbance MAX 260
Catalog NoScalePrice
26-6518-0550 nmol$38.00
26-6518-02200 nmol$38.00
26-6518-011 umol$45.00
26-6518-032 umol$75.00
26-6518-1010 umol$315.00
26-6518-1515 umol$410.00

Discounts are available for Locked Analog G!
Modification* Discount Price Structure
1 site/order List price
2 sites/order 10% discount
3 sites/order 20% discount
4 sites/order 30% discount
5-9 sites/order 50% discount
10+ sites/order 60% discount
*Exceptions apply

Related Modifications
Locked Analog G
Spermine Oligo
2'-F Bases
5-Me dC
2-Amino dA
Locked Analog T
Locked Analog A
Locked Analog mC
LNA Oligonucleotides exhibit unprecedented thermal stabilities towards complementary DNA and RNA, which allow excellent mismatch discrimination (8). The high binding affinity of LNA oligos allows for the use of short probes in antisense protocols and LNA is recommended for use in any hybridization assay that requires high specificity and/or reproducibility, e.g., dual labeled probes, in situ hybridization probes, molecular beacons and PCR primers. Furthermore, LNA offers the possibility to adjust Tm values of primers and probes in multiplex assays. Each LNA base addition in an oligo increases the Tm by approximately 8oC. As a result of these significant characteristics, the use of LNA-modified oligos in antisense drug development is now coming under investigation, and recently the therapeutic potential of LNA has been reviewed (11). The synthesis and incorporation of LNA bases can be achieved by using standard DNA synthesis chemistry. Detailed research results have not yet concluded as to the amount of LNA bases and regular DNA base combination in successful antisense and gene delivery experiments. The investigator can elect to substitute individual bases in the oligo to LNA bases or use a combination. Due to the high affinity and thermal stability of the LNA: DNA duplex it is not advised to have more than 15 LNA bases in an oligo; this induces strong self-hybridization The use of LNA C base requires special synthesis and post synthesis protocols. LNA-containing oligonucleotides can be purified and analyzed using the same methods employed for standard DNA. LNA can be mixed with DNA and RNA, as well as other nucleic acid analogues, modifiers and labels. LNA oligonucleotides are water soluble, and can be separated by gel electrophoresis and precipitated by ethanol. *License Agreement: Locked-nucleic Acid (LNA) phosphoramidites are protected by EP Pat No. 1013661, US Pat No. 6,268,490 and foreign applications and patents owned by Exiqon A/S. Products are made and sold under a license from Exiqon A/S. Products are for research purposes only. Products may not be used for diagnostic, clinical, commercial or other use, including use in humans. There is no implied license for commercial use, including contract research, with respect to the products and a license must be obtained directly from Exiqon A/S for such use.

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