1J6Y:
reference: Solution structure of the single-domain prolyl cis/trans isomerase PIN1At from Arabidopsis thaliana., Landrieu I, Wieruszeski JM, Wintjens R, Inze D, Lippens G, J Mol Biol 2002 Jul 5;320(2):321-32. PMID: 12079389

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).