A structurally preserved allosteric site in the MIF superfamily affects enzymatic activity and CD74 activation in D-dopachrome tautomerase
Chen E, Reiss K, Shah D, Manjula R, Allen B, Murphy EL, Murphy JW, Batista VS, Bhandari V, Lolis EJ, Lisi GP. A structurally preserved allosteric site in the MIF superfamily affects enzymatic activity and CD74 activation in D-dopachrome tautomerase. Journal Of Biological Chemistry 2021, 297: 101061. PMID: 34384784, PMCID: PMC8405996, DOI: 10.1016/j.jbc.2021.101061.Peer-Reviewed Original ResearchMeSH KeywordsAllosteric SiteAmino Acid SequenceAntigens, Differentiation, B-LymphocyteBinding SitesCatalytic DomainCrystallography, X-RayCytokinesHistocompatibility Antigens Class IIHumansIntramolecular OxidoreductasesMacrophage Migration-Inhibitory FactorsProtein BindingStructure-Activity RelationshipConceptsAllosteric siteDopachrome tautomeraseDynamic regulatory networksEnzymatic activityLow sequence identityLigand-binding siteMultiple ligand-binding sitesNonoverlapping functionsRegulatory networksAllosteric couplingMacrophage migration inhibitory factor (MIF) familyFactor familySequence identityHomolog DStructural basisPrimary sequenceCD74 activationFunctional similarityConformational changesSolution NMRMIF-2X-ray crystallographyCatalytic siteStructural consequencesSolvent channels