Magnetic DNA affinity purification of yeast transcription factor tau--a new purification principle for the ultrarapid isolation of near homogeneous factor. Gabrielsen et al. 1989 - [Read DNA-Binding Protein Purification with Dynabeads.]
Primer design, Primer annealing, Primer labelling, Probe purification, In vitro hybridization DNA-protein Binding reaction. Jonathan Flint. - [Read EMSA Protocol using 32-p.]
EMSA probe creation using ds Oligonucleotides by annealing two complementary oligos, and Klenow for probe creation. - [Read EMSA using ds Oligonucleotides]
Gel Mobility Shift Assay in PDF format- http://www.biochem.northwestern.edu/ibis/morimoto/Protocols/III.%20Proteins/C.%20DNA-Protein%20Interactions/3a.%20GMSA.pdf
There are multiple variations to this protocol, but they find that this one works well in all cases tested. Mirmira Lab. - [Read General EMSA Protocol]
A non-radioactive electrophoretic mobility which works quite well using biotin and streptavidin detection. Non-specific and specific competititor, oligo labeling, Binding Reaction. Pierce - [Read Introduction to the EMSA (Gel Shift) Technique]