Fig. 5From: The Immunoregulatory Mediator Macrophage Migration Inhibitory Factor (MIF) Catalyzes a Tautomerization Reaction D -dopachrome tautomerase activity of human recombinant MIF Changes in absorption at 475 nm after incubation of the indicated iminochromes (0.42 mM) with MIF (1.4 µg). A, D-dopachrome carboxy methyl ester; B, L-dopachrome carboxy methyl ester; C, D-dopachrome; D, L-dopachrome; E, dopaminochrome.Back to article page