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foldamer : ウィキペディア英語版
foldamer

In chemistry, a foldamer is a discrete chain molecule or oligomer that folds into a conformationally ordered state in solution. They are artificial molecules that mimic the ability of proteins, nucleic acids, and polysaccharides to fold into well-defined conformations, such as helices and β-sheets. The structure of a foldamer is stabilized by noncovalent interactions between nonadjacent monomers.〔 Foldamers are studied with the main goal of designing large molecules with predictable structures. The study of foldamers is related to the themes of molecular self-assembly, molecular recognition, and host-guest chemistry.
==Design==

Foldamers can vary in size, but they are defined by the presence of noncovalent, nonadjacent interactions. This definition excludes molecules like poly(isocyanates) (commonly known as (polyurethane)) and poly(prolines) as they fold into helicies reliably due to ''adjacent'' covalent interactions., Foldamers have a dynamic folding reaction (→ folded ), in which large macroscopic folding is caused by solvophobic effects (hydrophobic collapse), while the final energy state of the folded foldamer is due to the noncovalent interactions. These interactions work cooperatively to form the most stable tertiary structure, as the completely folded and unfolded states are more stable than any partially folded state.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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