5DEF:
reference: Increased conformational flexibility characterizes HLA-B*27 subtypes associated with ankylosing spondylitis., Loll B, Fabian H, Huser H, Hee CS, Ziegler A, Uchanska-Ziegler B, Ziegler A, Arthritis Rheumatol. 2016 Jan 8. doi: 10.1002/art.39567. PMID: 26748477

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