4GUM:
reference: MIF intersubunit disulfide mutant antagonist supports activation of CD74 by endogenous MIF trimer at physiologic concentrations., Fan C, Rajasekaran D, Syed MA, Leng L, Loria JP, Bhandari V, Bucala R, Lolis EJ, Proc Natl Acad Sci U S A. 2013 Jun 17. PMID: 23776208

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