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 ResearchMeSH KeywordsAmino Acid MotifsAmino Acid SequenceBinding SitesCell MembraneGTPase-Activating ProteinsHumansMolecular Sequence DataProtein BindingC-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
2012
Structural Insights into the Substrate Specificity of Human Granzyme H: The Functional Roles of a Novel RKR Motif
Wang L, Zhang K, Wu L, Liu S, Zhang H, Zhou Q, Tong L, Sun F, Fan Z. Structural Insights into the Substrate Specificity of Human Granzyme H: The Functional Roles of a Novel RKR Motif. The Journal Of Immunology 2012, 188: 765-773. PMID: 22156497, DOI: 10.4049/jimmunol.1101381.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAmino Acid SequenceAnimalsCatalytic DomainCatsCell LineCell Line, TransformedCrystallography, X-RayCytotoxicity, ImmunologicDogsGranzymesHumansHydrogen-Ion ConcentrationK562 CellsMolecular Sequence DataPan troglodytesProtein BindingSerine Proteinase InhibitorsSubstrate SpecificityConceptsRKR motifHuman granzyme HStructural insightsSubstrate recognition mechanismChymotrypsin-like serine proteaseGranzyme HSubstrate recognitionSubstrate specificitySubstrate preferenceChloromethylketone inhibitorAcidic residuesInnate immune responseAromatic residuesFunctional roleP1 positionSerine proteasesS1 pocketRecognition mechanismMotifGzmHResiduesProteolytic activityDecapeptide substrateImportant roleMutants