A binding domain is a protein domain which binds to a specific atom or molecule, such as calcium or DNA. Upon binding, proteins may undergo a conformational change. Binding domains are essential for the function of many proteins.
Examples of binding domains include Zinc finger, which binds to DNA, and EF hand, which binds to calcium.
[edit] See also
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biochemical families: proteins (amino acids/intermediates) · nucleic acids (constituents/intermediates) · carbohydrates (glycoproteins, alcohols, glycosides)
lipids (fatty acids/intermediates, phospholipids, steroids, sphingolipids, eicosanoids) · tetrapyrroles/intermediates
B proteins: BY STRUCTURE: membrane, globular (en, ca, an), fibrous
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