Figure 2From: Observation of glycine zipper and unanticipated occurrence of ambidextrous helices in the crystal structure of a chiral undecapeptideArrangement of helices in crystal packing. The figure shows the arrangement of helices as viewed down the helical axes. There are three interhelical interfaces viz. Gly-Gly (1), ΔPhe-ΔPhe (2) and Leu-Leu (3).Back to article page