6CZ7:
reference: Structural and mechanistic analysis of the arsenate respiratory reductase provides insight into environmental arsenic transformations., Glasser NR, Oyala PH, Osborne TH, Santini JM, Newman DK, Proc Natl Acad Sci U S A. 2018 Aug 13. pii: 1807984115. doi:, 10.1073/pnas.1807984115. PMID: 30104376

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