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Protein Folding
Definition 1
The change in structure whereby a polypeptide assumes its functional shape or conformation. This is a process that occurs during either protein biosynthesis or protein reconstitution. Polypeptide chains assume their correct three-dimensional conformation through discrete intermediate (primary, secondary, and tertiary) structures prior to the development final quaternary structure. (NCI Thesaurus)
Definition 2
A rapid biochemical reaction involved in the formation of proteins. It begins even before a protein has been completely synthesized and proceeds through discrete intermediates (primary, secondary, and tertiary structures) before the final structure (quaternary structure) is developed. (NLM, Medical Subject Headings)
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