IRDye® 700 STAT3 Consensus Oligonucleotide 25 µL of 50 nM (or 50 fmol/µL)

€97,60

5′ — GAT CCT TCT GGG AAT TCC TAG ATC — 3′

3′ — CTA GGA AGA CCC TTA AGG ATC TAG — 5′

Underlined nucleotides are the binding site. IRDye 700 oligonucleotides are supplied as 25 µL of 50 nM (or 50 fmol/µL) double-stranded DNA.

STAT3 is a transcription factor that is activated by phosphorylation of tyrosine 705 and in response to particular ligands. For this reason, it is a common oligonucleotide used in EMSA to assess certain types of protein binding.

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You should establish conditions of the binding reaction for each protein-DNA pair. For IRDye 700 STAT3 oligonucleotide, the following binding reaction is a good starting point:

Reaction µL
10X Binding Buffer (100 mM Tris, 500 mM KCI, 10 mM DTT; pH 7.5) 2
Poly (dl•dC) 1 µg/µL in 10 mM Tris, 1 mM EDTA; pH 7.5 1
25 mM DTT/2.5% Tween® 20 2
1% NP-40 1
100 mM MgCl2 1
Water 11
IRDye 700 STAT3 1
U937 (IF Nα treated) nuclear extract (positive control) (5 µg/µL) 1
Total 20

After the addition of the DNA to the protein-buffer mix, reactions are incubated to allow protein binding to DNA. A typical incubation condition is 20-30 minutes at room temperature.

Since IRDye infrared dyes are somewhat sensitive to light, it is best to keep binding reactions in the dark during incubation periods (e.g., put the tubes into a drawer or simply cover the rack containing tubes with aluminum foil). After the incubation period, 10X Orange Loading Dye (P/N 927-10100) is added to the binding reaction for electrophoresis.

Kaal 0,002 kg
Maht

25 µL of 50 nM (or 50 fmol/µL)
Säilitamine

-20 ° C

Seotud tooted

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