3IPN:
reference: Stereoelectronic and steric effects in side chains preorganize a protein main chain., Shoulders MD, Satyshur KA, Forest KT, Raines RT, Proc Natl Acad Sci U S A. 2010 Jan 12;107(2):559-64. Epub 2009 Dec 31. PMID: 20080719

This OCA Structure page
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