3RS1:
reference: Mouse Clr-g, a Ligand for NK Cell Activation Receptor NKR-P1F: Crystal Structure and Biophysical Properties., Skalova T, Kotynkova K, Duskova J, Hasek J, Kovai T, Kolenko P, Novak P, Man P, Hanc P, Vanek O, Bezouska K, Dohnalek J, J Immunol. 2012 Nov 15;189(10):4881-9. doi: 10.4049/jimmunol.1200880. Epub 2012, Oct 15. PMID: 23071282

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