6V6H:
reference: Crystal structure of histidine ammonia-lyase from Trypanosoma cruzi., Miranda RR, Silva M, Barison MJ, Silber AM, Iulek J, Biochimie. 2020 May 25. pii: S0300-9084(20)30118-8. doi:, 10.1016/j.biochi.2020.05.009. PMID: 32464165

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