2004
Visualizing a Circadian Clock Protein Crystal Structure of KaiC and Functional Insights
Pattanayek R, Wang J, Mori T, Xu Y, Johnson CH, Egli M. Visualizing a Circadian Clock Protein Crystal Structure of KaiC and Functional Insights. Molecular Cell 2004, 15: 375-388. PMID: 15304218, DOI: 10.1016/j.molcel.2004.07.013.Peer-Reviewed Original ResearchConceptsClock protein complexesAuto-phosphorylation siteGlobal gene expressionCircadian biological clockHomohexameric complexEvolutionary relationshipsProtein complexesCircadian clockworkATP bindingFunctional insightsCircadian proteinsKaiCProtein crystal structuresCentral poreGene expressionMolecular componentsBiochemical mechanismsBiological clockCrystal structureDouble donutComplex formationProteinCircadian rhythmicityMutationsCyanobacteria
2003
Crystal Structures of an Archaeal Class I CCA-Adding Enzyme and Its Nucleotide Complexes
Xiong Y, Li F, Wang J, Weiner AM, Steitz TA. Crystal Structures of an Archaeal Class I CCA-Adding Enzyme and Its Nucleotide Complexes. Molecular Cell 2003, 12: 1165-1172. PMID: 14636575, DOI: 10.1016/s1097-2765(03)00440-4.Peer-Reviewed Original ResearchConceptsCCA-adding enzymeClass I CCA-adding enzymeCrystal structureClose evolutionary relationshipAddition of CCAChemical modificationAmino acid sequenceElectrostatic charge distributionNucleic acid templateEvolutionary relationshipsImmature tRNAsCharge distributionDomain architectureNucleotide complexesArcheoglobus fulgidusEnzyme classesTail domainAcid sequenceEnzyme bindsPolymerase domainTRNARelative orientationComplexesEnzymeTerminus