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IRDye 700 AP-1 Consensus Oligonucleotide

5′ -- CGC TTG ATG ACT CAG CCG GAA -- 3′

3′ -- GCG AAC TAC TGA GTC GGC CTT -- 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.

AP-1 is a transcription factor that regulates gene expression and controls a number of cellular processes including differentiation, proliferation, and apoptosis. For this reason, it is a common oligo used in EMSA to assess protein binding.

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.