Idealized collagenPDB ID: 1CAG
Collagen is a structural protein in connective tissue. It is composed of three protein strands that wind together into a distinctive triple helix. This structure shows a small segment of a peptide with the ideal sequence for forming the triple helix.
Crystal and molecular structure of a collagen-like peptide at 1.9 A resolution.
Bella, J., Eaton, M., Brodsky, B., Berman, H.M.
Journal: (1994) Science 266: 75-81