1FPS:
reference: Crystal structure of recombinant farnesyl diphosphate synthase at 2.6-A resolution., Tarshis LC, Yan M, Poulter CD, Sacchettini JC, Biochemistry 1994 Sep 13;33(36):10871-7. PMID: 8086404

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