3E6E:
reference: Structural insights into the alanine racemase from Enterococcus faecalis., Priyadarshi A, Lee EH, Sung MW, Nam KH, Lee WH, Kim EE, Hwang KY, Biochim Biophys Acta. 2009 Jul;1794(7):1030-40. Epub 2009 Mar 26. PMID: 19328247

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