1FJ2:
reference: Crystal structure of the human acyl protein thioesterase I from a single X-ray data set to 1.5 A., Devedjiev Y, Dauter Z, Kuznetsov SR, Jones TL, Derewenda ZS, Structure Fold Des 2000 Nov 15;8(11):1137-46. PMID: 11080636

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