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Protein array
A library of proteins (e.g., peptides, antibodies, purified proteins, or unknown protein samples) is spotted on microscopic slides. They are usually used to identify novel proteins or protein-protein interactions.
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Protein arrays can be screened for their ability to bind other proteins in a complex, receptors, antibodies; lipids; enzymes; peptides; hormones; specific DNA sequences; or small molecules, such as potential new drugs.
The polyhistidine-tag can be ideally used for the immobilization of proteins on a surface such as on a nickel or cobalt coated microtiter plate or on a protein array.
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 See also: DNA, Biology, Primer, Electrophoresis, Biome
  
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