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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Biochim Biophys Acta. 2014 Feb 12;1839(4):316–333. doi: 10.1016/j.bbagrm.2014.02.001

Fig. 1.

Fig. 1

Model for phospho-Ser-Pro peptidyl bond isomerization. cis and trans isomers are shown. Note the 180° difference in the position of the proline's carbonyl group. Oxygens are shown in red, nitrogens in blue, carbons in gray, the phosphate in orange.