5FVB:
reference: Crystal structure analysis of C-phycoerythrin from marine cyanobacterium Phormidium sp. A09DM., Kumar V, Sonani RR, Sharma M, Gupta GD, Madamwar D, Photosynth Res. 2016 Jul;129(1):17-28. doi: 10.1007/s11120-016-0259-5. Epub 2016 , Apr 11. PMID: 27068646

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