2021
Cryo-EM structures of Escherichia coli cytochrome bo3 reveal bound phospholipids and ubiquinone-8 in a dynamic substrate binding site
Li J, Han L, Vallese F, Ding Z, Choi SK, Hong S, Luo Y, Liu B, Chan CK, Tajkhorshid E, Zhu J, Clarke O, Zhang K, Gennis R. Cryo-EM structures of Escherichia coli cytochrome bo3 reveal bound phospholipids and ubiquinone-8 in a dynamic substrate binding site. Proceedings Of The National Academy Of Sciences Of The United States Of America 2021, 118: e2106750118. PMID: 34417297, PMCID: PMC8403832, DOI: 10.1073/pnas.2106750118.Peer-Reviewed Original ResearchConceptsHydrogen bondsMembrane scaffold protein (MSP) nanodiscsSide chainsMetal redox centerCryo-EM structureInternal water moleculesEscherichia coli cytochrome bo3Facilitate proton transferImidazole side chainIsoprene side chainAccess of waterCryogenic electron microscopyRedox centersWater moleculesProton transferSubunit IAqueous phaseConformation 1Respiratory cytochromesRelated cytochromesHydrophobic grooveUbiquinol oxidaseQuinol oxidaseCytochrome bo3Computational study
2014
A PH Domain in ACAP1 Possesses Key Features of the BAR Domain in Promoting Membrane Curvature
Pang X, Fan J, Zhang Y, Zhang K, Gao B, Ma J, Li J, Deng Y, Zhou Q, Egelman EH, Hsu VW, Sun F. A PH Domain in ACAP1 Possesses Key Features of the BAR Domain in Promoting Membrane Curvature. Developmental Cell 2014, 31: 73-86. PMID: 25284369, PMCID: PMC4198613, DOI: 10.1016/j.devcel.2014.08.020.Peer-Reviewed Original ResearchC-terminal motif within Sec7 domain regulates guanine nucleotide exchange activity via tuning protein conformation
Qiu B, Zhang K, Wang S, Sun F. C-terminal motif within Sec7 domain regulates guanine nucleotide exchange activity via tuning protein conformation. Biochemical And Biophysical Research Communications 2014, 446: 380-386. PMID: 24613384, DOI: 10.1016/j.bbrc.2014.02.125.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAmino Acid SequenceBinding SitesConserved SequenceCrystallography, X-RayGuanine Nucleotide Exchange FactorsModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedNuclear Magnetic Resonance, BiomolecularProtein ConformationProtein StabilityProtein Structure, SecondaryRecombinant ProteinsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence Homology, Amino AcidStatic ElectricityStructural Homology, ProteinConceptsGuanine exchange factorSec7 domainARF-GEFCatalytic domainActivity regulationGolgi network membranesNucleotide exchange activityC-terminal motifGEF catalytic activityADP-ribosylation factorCatalytic activity regulationExchange activityActivation of ARFARF-GEFsMembrane trafficExchange factorHelix JOrganelle structureMolecular detailsMutagenesis studiesProtein conformationLoop regionMotifRegulationKey role
2013
Structure Reveals Regulatory Mechanisms of a MaoC-Like Hydratase from Phytophthora capsici Involved in Biosynthesis of Polyhydroxyalkanoates (PHAs)
Wang H, Zhang K, Zhu J, Song W, Zhao L, Zhang X. Structure Reveals Regulatory Mechanisms of a MaoC-Like Hydratase from Phytophthora capsici Involved in Biosynthesis of Polyhydroxyalkanoates (PHAs). PLOS ONE 2013, 8: e80024. PMID: 24244597, PMCID: PMC3823801, DOI: 10.1371/journal.pone.0080024.Peer-Reviewed Original ResearchAcyl Coenzyme AAmino Acid SequenceBinding SitesBiocatalysisCatalytic DomainCrystallography, X-RayEnoyl-CoA HydrataseEscherichia coliModels, MolecularMolecular Sequence DataMutationOxidation-ReductionPhytophthoraPolyhydroxyalkanoatesProtein MultimerizationProtein Structure, SecondaryProtein Structure, TertiaryRecombinant ProteinsSequence AlignmentSequence Homology, Amino AcidSubstrate Specificity