Reading:

* Richardson and Richardson (1989) Helix section of chapter 1 in Prediction of Protein Structure and the Principles of Protein Conformation (ed. Fasman), pp. 10-17.
* Richardson (1981) Anatomy & Taxonomy of Protein Structure, section II.A. Helices - read on-line (with updated annotations) from the link on BCH222 web page; view embedded kinemages by clicking on the KiNG icon. If needed, review the part of section I.B about dihedral angles and the Ramachandran plot.

Graphics:
There are two kinemage exercises this week, one on H-bonds and one on helices and Ramachandran plots; their worksheets and associated kinemages are available from the class website: http://kinemage.biochem.duke.edu/teaching/bch222/

Worksheets:


Hydrogen Bond Worksheet  PDF version
Helix Worksheet   PDF version