3U4C:
reference: Structural insights into the role of Bacillus subtilis YwfH (BacG) in tetrahydrotyrosine synthesis., Rajavel M, Perinbam K, Gopal B, Acta Crystallogr D Biol Crystallogr. 2013 Mar;69(Pt 3):324-32. doi:, 10.1107/S0907444912046690. Epub 2013 Feb 16. PMID: 23519407

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