1CQ3:
reference: Structure of a soluble secreted chemokine inhibitor vCCI (p35) from cowpox virus., Carfi A, Smith CA, Smolak PJ, McGrew J, Wiley DC, Proc Natl Acad Sci U S A 1999 Oct 26;96(22):12379-83. PMID: 10535930

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