1PLC:
reference: Accuracy and precision in protein structure analysis: restrained least-squares refinement of the structure of poplar plastocyanin at 1.33 A resolution., Guss JM, Bartunik HD, Freeman HC, Acta Crystallogr B 1992 Dec 1;48 ( Pt 6):790-811. PMID: 1492962

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