2020
Crystal structure of a guanine nucleotide exchange factor encoded by the scrub typhus pathogen Orientia tsutsugamushi
Lim C, Berk JM, Blaise A, Bircher J, Koleske AJ, Hochstrasser M, Xiong Y. Crystal structure of a guanine nucleotide exchange factor encoded by the scrub typhus pathogen Orientia tsutsugamushi. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 30380-30390. PMID: 33184172, PMCID: PMC7720168, DOI: 10.1073/pnas.2018163117.Peer-Reviewed Original ResearchConceptsBacterial GEFStructure-guided mutational analysisExchange factor domainRho family GTPasesObvious sequence similarityRho GTPases Rac1Pathogen Orientia tsutsugamushiAlters cell morphologyInteraction screenConvergent evolutionGEF domainHost interactorsExchange factorNucleotide displacementGEF activityCellular processesSequence similarityCytoskeletal structuresGTPases Rac1Ectopic expressionMutational analysisGEFRac1Factor domainPathogenic bacterium
2012
A Peptide Photoaffinity Probe Specific for the Active Conformation of the Abl Tyrosine Kinase
Deng Y, Couch BA, Koleske AJ, Turk BE. A Peptide Photoaffinity Probe Specific for the Active Conformation of the Abl Tyrosine Kinase. ChemBioChem 2012, 13: 2510-2512. PMID: 23081945, PMCID: PMC3595066, DOI: 10.1002/cbic.201200560.Peer-Reviewed Original ResearchLysozyme contamination facilitates crystallization of a heterotrimeric cortactin–Arg–lysozyme complex
Liu W, MacGrath SM, Koleske AJ, Boggon TJ. Lysozyme contamination facilitates crystallization of a heterotrimeric cortactin–Arg–lysozyme complex. Acta Crystallographica Section F: Structural Biology Communications 2012, 68: 154-158. PMID: 22297987, PMCID: PMC3274391, DOI: 10.1107/s1744309111056132.Peer-Reviewed Original ResearchConceptsCrystal structure determinationNonreceptor tyrosine kinaseArg nonreceptor tyrosine kinaseHeterotrimeric complexSH3 domainMacromolecular crystallographersCrystallography approachStructure determinationTyrosine kinaseCocrystal structureMolecular replacementTrace amountsLysozyme complexStructure solutionProteinCortactinComplexesCrystallizationCrystallographersCocrystalsKinaseMotifAutomatic model buildingSequenceArg
2004
The Arg Non-receptor Tyrosine Kinase Modifies F-actin Structure
Galkin VE, Orlova A, Koleske AJ, Egelman EH. The Arg Non-receptor Tyrosine Kinase Modifies F-actin Structure. Journal Of Molecular Biology 2004, 346: 565-575. PMID: 15670605, DOI: 10.1016/j.jmb.2004.11.078.Peer-Reviewed Original ResearchConceptsSubdomain 1Domain bindsActin filamentsF-actinSingle particle image analysisActin-bundling activityNon-receptor tyrosine kinaseCalponin homology domainActin-binding domainF-actin structuresActin subdomain 1Homology domainAbl familyCH domainCell motilityAdjacent protomersTyrosine kinaseParticle image analysisActin protomersConformational changesCooperative bindingARG proteinProtomersArgProtein