* 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.
* IUPAC - IUB helix rules (1970), J. Biol. Chem. 245, p. 6496.

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

[You might have a problem with formatting if you print out from the web page. However, the PDF files linked below should print correctly on all systems. So, use the PDF file for printing the worksheet, if necessary.]

Hydrogen Bond Worksheet  HTML version  ||  PDF version
Helix Worksheet  HTML version  ||   PDF version