5L8D:
reference: Efficient conversion of alkenes to chlorohydrins by a Ru-based artificial enzyme., Lopez S, Rondot L, Cavazza C, Iannello M, Boeri-Erba E, Burzlaff N, Strinitz F, Jorge-Robin A, Marchi-Delapierre C, Menage S, Chem Commun (Camb). 2017 Mar 23;53(25):3579-3582. doi: 10.1039/c6cc08873b. PMID: 28289745

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