Example sentences for: helices

How can you use “helices” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • In the MDM of multi-spanning transmembrane α helices, isoleucine, methionine and valine are found to have relatively high mutability as hydrophobic residues, and serine and threonine also rank high in mutability as polar residues.

  • The recommended value of 5.0 times the residue diversity was used for the total number of pseudo-counts, and the amino acid substitution probabilities were taken from the BLOSUM 62 matrix [ 22 ] . A substitution matrix based on transmembrane helices [ 23 ] was also used in some cases, however, the results were not altered substantially.

  • The distance between adjacent tile centers is approximately 19 nm (approximately 4.5 turns of the DNA double helix plus the diameter of two DNA helices).

  • Secondary-structure predictions, based on the multiple alignment, indicate the presence of four distinct a helices.

  • Some of the strongest conservation is concentrated in the long helices, and the pattern includes some charged or polar residues, suggesting that they are probably exposed and participate in the protein-protein and protein-DNA interactions that are typical of this superfamily (helices 2,3, 4 in Fig.


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