3VDI:
reference: Reinterpretation of the electron density at the site of the eighth bacteriochlorophyll in the FMO protein from Pelodictyon phaeum., Tronrud DE, Allen JP, Photosynth Res. 2012 Mar 29. PMID: 22457093

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