5L8R:
reference: Structure of the plant photosystem I supercomplex at 2.6 A resolution., Mazor Y, Borovikova A, Caspy I, Nelson N, Nat Plants. 2017 Mar 1;3:17014. doi: 10.1038/nplants.2017.14. PMID: 28248295

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