3BF8:
reference: High-resolution structure of ybfF from Escherichia coli K12: a unique substrate-binding crevice generated by domain arrangement., Park SY, Lee SH, Lee J, Nishi K, Kim YS, Jung CH, Kim JS, J Mol Biol. 2008 Mar 7;376(5):1426-37. Epub 2008 Jan 4. PMID: 18215690

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