| 1IM9: reference: Crystal structure of the human natural killer cell inhibitory receptor KIR2DL1-HLA-Cw4 complex., Fan QR, Long EO, Wiley DC, Nat Immunol 2001 May;2(5):452-60. PMID: 11323700 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).