Human collagenPDB ID: 1BKV
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 human collagen.
Sequence dependent conformational variations of collagen triple-helical structure.
Kramer, R.Z., Bella, J., Mayville, P., Brodsky, B., Berman, H.M.
Journal: (1999) Nat.Struct.Biol. 6: 454-457