right_handed_peptide_helix
alpha_helix
BS:00040
Range.
SO:0001117
The helix has 3.6 residues per turn which corresponds to a translation of 1.5 angstroms (= 0.15 nm) along the helical axis. Every backbone N-H group donates a hydrogen bond to the backbone C=O group of the amino acid four residues earlier.
a-helix
helix
http://en.wikipedia.org/wiki/Alpha_helix
sequence