2C44:
reference: Structure of Escherichia coli tryptophanase., Ku SY, Yip P, Howell PL, Acta Crystallogr D Biol Crystallogr. 2006 Jul;62(Pt 7):814-23. Epub 2006, Jun 20. PMID: 16790938

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