4ZSY:
reference: Mechanism of Inactivation of GABA Aminotransferase by (E)- and (Z)-(1S,3S)-3-Amino-4-fluoromethylenyl-1-cyclopentanoic Acid., Lee H, Le HV, Wu R, Doud E, Sanishvili R, Kellie JF, Compton PD, Pachaiyappan B, Liu D, Kelleher NL, Silverman RB, ACS Chem Biol. 2015 Jul 6. PMID: 26110556

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