2023
Mapping N- to C-terminal allosteric coupling through disruption of a putative CD74 activation site in D-dopachrome tautomerase
Chen E, Widjaja V, Kyro G, Allen B, Das P, Prahaladan V, Bhandari V, Lolis E, Batista V, Lisi G. Mapping N- to C-terminal allosteric coupling through disruption of a putative CD74 activation site in D-dopachrome tautomerase. Journal Of Biological Chemistry 2023, 299: 104729. PMID: 37080391, PMCID: PMC10208890, DOI: 10.1016/j.jbc.2023.104729.Peer-Reviewed Original Research
2022
A novel site on dual-specificity phosphatase MKP7/DUSP16 is required for catalysis and MAPK binding
Shillingford S, Zhang L, Surovtseva Y, Dorry S, Lolis E, Bennett AM. A novel site on dual-specificity phosphatase MKP7/DUSP16 is required for catalysis and MAPK binding. Journal Of Biological Chemistry 2022, 298: 102617. PMID: 36272649, PMCID: PMC9676401, DOI: 10.1016/j.jbc.2022.102617.Peer-Reviewed Original ResearchConceptsMitogen-activated protein kinaseP38 mitogen-activated protein kinaseMAPK bindingRegulatory mechanismsAllosteric siteMKP family membersNovel allosteric siteSmall molecule targetingMAPK/JNKAdditional regulatory mechanismsPhosphatase functionPhosphatase domainP38 MAPK/JNKProtein kinaseMKP7Site mutantsMAPK signalingAllosteric pocketMolecule targetingMAPK dephosphorylationMutantsNovel siteJNKCatalytic siteDephosphorylationA Cysteine Variant at an Allosteric Site Alters MIF Dynamics and Biological Function in Homo- and Heterotrimeric Assemblies
Skeens E, Pantouris G, Shah D, Manjula R, Ombrello MJ, Maluf NK, Bhandari V, Lisi GP, Lolis EJ. A Cysteine Variant at an Allosteric Site Alters MIF Dynamics and Biological Function in Homo- and Heterotrimeric Assemblies. Frontiers In Molecular Biosciences 2022, 9: 783669. PMID: 35252348, PMCID: PMC8893199, DOI: 10.3389/fmolb.2022.783669.Peer-Reviewed Original ResearchAllosteric siteNon-overlapping functionsEnzymatic activityHeterotrimeric assemblyBiological functionsWild typeCatalytic baseCysteine variantsFunctional interactionHuman macrophage migration inhibitory factorSolvent channelsMacrophage migration inhibitory factorEnzymatic cavityCrystallographic structureNMR dynamicsMixed wild typeVariantsY99CInhibitory factorMammalsNucleaseSubunitsCytosolDifferent extentsFish