Protein–protein interaction assays

energy transfer mechanism and microscopy technique

physical interactions and constructions between multiple proteins

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physical phenomenon of electron resonance

biological technique to evolve proteins using bacteriophages

protein-fragment complementation assay to find protein–protein/DNA interactions, in which the transcription factor is split into two fragments

Immunoprecipitation (IP) is the technique of precipitating a protein antigen out of solution using an antibody that specifically binds to that particular protein. This process can be used to isolate and concentrate a particular protein from a sample containing many thousands of different proteins. Immunoprecipitation requires that the antibody be coupled to a solid substrate at some point in the procedure.

laboratory technique

measures the real and imaginary components of the complex refractive index

Laboratory technique for quantitative proteomics