5Z5C:
reference: Structural insights into the catalytic mechanism of cysteine (hydroxyl) lyase from the hydrogen-sulfide producing oral pathogen, Fusobacterium nucleatum., Kezuka Y, Ishida T, Yoshida Y, Nonaka T, Biochem J. 2018 Jan 17. pii: BCJ20170838. doi: 10.1042/BCJ20170838. PMID: 29343611

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