2004
Consequences of Binding an S-Adenosylmethionine Analogue on the Structure and Dynamics of the Thiopurine Methyltransferase Protein Backbone †
Scheuermann TH, Keeler C, Hodsdon ME. Consequences of Binding an S-Adenosylmethionine Analogue on the Structure and Dynamics of the Thiopurine Methyltransferase Protein Backbone †. Biochemistry 2004, 43: 12198-12209. PMID: 15379558, DOI: 10.1021/bi0492556.Peer-Reviewed Original ResearchConceptsNMR chemical shift mapping experimentsChemical shift mapping experimentsNative structureS-adenosylmethionineProteasomal-dependent pathwayCatalytic mechanismProtein backboneIntracellular degradationIndirect conformational changesS-adenosylmethionine analogPresence of sinefunginBacterial orthologuesChemical shift changesProtein backbone dynamicsPseudomonas syringaeSubstrate recognitionProtein sequencesSAM analoguesConformational changesNMR spectroscopyBackbone dynamicsMapping experimentsBackbone mobilitySinefunginNMR relaxation
2003
Tertiary Structure of Thiopurine Methyltransferase from Pseudomonas syringae, a Bacterial Orthologue of a Polymorphic, Drug-metabolizing Enzyme
Scheuermann TH, Lolis E, Hodsdon ME. Tertiary Structure of Thiopurine Methyltransferase from Pseudomonas syringae, a Bacterial Orthologue of a Polymorphic, Drug-metabolizing Enzyme. Journal Of Molecular Biology 2003, 333: 573-585. PMID: 14556746, DOI: 10.1016/j.jmb.2003.08.039.Peer-Reviewed Original ResearchConceptsTertiary structureBacterial orthologuesPseudomonas syringaeConsensus topologyProteasomal-dependent pathwayEnzymatic activitySAM-dependent methyltransferasesUnstructured N-terminusSequence similarityThree-dimensional structureShares 45Dependent transmethylationProtein sequencesN-terminusHuman enzymePolymorphic proteinsBiochemical studiesS-adenosylmethionineOrthologuesSyringaeMethyltransferaseTissue enzymatic activityThiopurine methyltransferaseIntracellular conversionMultiple insertions