3HA1:
reference: Biochemical and structural characterization of alanine racemase from Bacillus anthracis (Ames)., Counago RM, Davlieva M, Strych U, Hill RE, Krause KL, BMC Struct Biol. 2009 Aug 20;9(1):53. PMID: 19695097

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