Immunoprecipitation analysis. Animation showing the analytical technique of immunoprecipitation for studying antibodies. Radiolabeled proteins (round, upper left) are incubated with an antibody (yellow) which forms bonds (upper centre) with a protein (green). At upper right, the protein and antibodies bind to a bead covered with antibody receptors. The other proteins are removed and the beads are heated (by boiling) to separate the components (lower left). The free antibodies and free proteins are separated by the technique of gel electrophoresis (lower right).
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