2ILA:
reference: Structure of interleukin 1 alpha at 2.7-A resolution., Graves BJ, Hatada MH, Hendrickson WA, Miller JK, Madison VS, Satow Y, Biochemistry 1990 Mar 20;29(11):2679-84. PMID: 2346741

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