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supernatant fraction.
# Wash the Protein G Agarose-antibody/chromatin complex by resuspending the beads in 1 mL each of the cold buffers in the order listed below and incubating for 3-5 minutes on a rotating platform followed by brief centrifugation (3000-5000 x g for 1 minute) and careful removal of the supernatant fraction:
D. Elution of Protein/DNA Complexes
Prior to starting this section: