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rotamer Line breaks: rota|mer
Pronunciation: /ˈrəʊtəmə/

Definition of rotamer in English:


Any of a number of isomers of a molecule which can be interconverted by rotation of part of the molecule about a particular bond.
Example sentences
  • The effects of the membrane are clearly illustrated by the increased frequencies of hydrogen-bonding rotamers and the snorkeling of Trp and Tyr out of the membrane.
  • Using broader Ï-values may result in broader distributions of rotamers, so we have avoided interpreting rotamer distributions that may be influenced in this manner.
  • If all rotamers clash with the rigid part of the protein, additional conformers are made by 300 rotations around the final bond.


1960s: from rotational (see rotation) + -mer.

Definition of rotamer in:
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