Figure 1.

Backbone conformations of glycine and pre-proline. Backbone schematic (left) and observed Ramachandran plot (right) of (A) glycine and (B) pre-proline. Taken from the data-set of Lovell et al. (2003). The clustered regions are labeled on the Ramachandran plots.

Ho and Brasseur BMC Structural Biology 2005 5:14   doi:10.1186/1472-6807-5-14
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