Atomic co-ordinates for an alpha-helix: refinement of the crystal structure of alpha-poly-l-alanine.
D000409:Alanine; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003461:Crystallography; D008962:Models, Theoretical; D010455:Peptides / Q000032:analysis*; D014961:X-Ray Diffraction
D010455:Peptides; D000409:Alanine