Galkin, Vitold E.
- Associate Professor, Physiological Sciences
Publications
selected publications
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2021Interaction of the C2 Ig-like Domain of Cardiac Myosin Binding Protein-C with F-actin. JOURNAL OF MOLECULAR BIOLOGY. 433.Full Text via DOI: 10.1016/j.jmb.2021.167178 PMID: 34329643
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2021The structure of the native cardiac thin filament at systolic Ca2+ levels. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 118.Full Text via DOI: 10.1073/pnas.2024288118 PMID: 33753506
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2021High-Resolution Cryo-EM Structure of the Cardiac Actomyosin Complex. STRUCTURE. 29:50-+.Full Text via DOI: 10.1016/j.str.2020.09.013 PMID: 33065066
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2021Anomalous structural dynamics of minimally frustrated residues in cardiac troponin C triggers hypertrophic cardiomyopathy.. CHEMICAL SCIENCE. 12:7308-7323.Full Text via DOI: 10.1039/d1sc01886h PMID: 34163821
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2019
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2019Effects of cardiomyopathy-linked mutations K15N and R21H in tropomyosin on thin-filament regulation and pointed-end dynamics. MOLECULAR BIOLOGY OF THE CELL. 30:268-281.Full Text via DOI: 10.1091/mbc.E18-06-0406 PMID: 30462572
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2019Effects of cardiomyopathy-linked mutations K15N and R21H in tropomyosin on thin-filament regulation and pointed-end dynamics.. MOLECULAR BIOLOGY OF THE CELL. 30:268-281.Full Text via DOI: 10.1091/mbc.e18-06-0406 PMID: 30462572
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2018N-Terminal Domains of Cardiac Myosin Binding Protein C Cooperatively Activate the Thin Filament. STRUCTURE. 26:1604-+.Full Text via DOI: 10.1016/j.str.2018.08.007 PMID: 30270174
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2018N-Terminal Domains of Cardiac Myosin Binding Protein C Cooperatively Activate the Thin Filament. STRUCTURE. 26:1604-+.Full Text via DOI: 10.1016/j.str.2018.08.007 PMID: 30270174
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2018Accurate flexible refinement of atomic models against medium-resolution cryo-EM maps using damped dynamics. BMC STRUCTURAL BIOLOGY. 18.Full Text via DOI: 10.1186/s12900-018-0089-0 PMID: 30219048
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2018Characterization and Evidence of the miR-888 Cluster as a Novel Cancer Network in Prostate. MOLECULAR CANCER RESEARCH. 16:669-681.Full Text via DOI: 10.1158/1541-7786.MCR-17-0321 PMID: 29330297
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2018
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2018CA(2+)-Induced Movement of Tropomyosin on Native Cardiac Thin Filaments Revealed by Cryoelectron Microscopy. BIOPHYSICAL JOURNAL. 138A-138A.
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2018Accurate flexible refinement of atomic models against medium-resolution cryo-EM maps using damped dynamics.. BMC STRUCTURAL BIOLOGY. 18:12.Full Text via DOI: 10.1186/s12900-018-0089-0 PMID: 30219048
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2017Filaments and fingers: Novel structural aspects of the single septin from Chlamydomonas reinhardtii. JOURNAL OF BIOLOGICAL CHEMISTRY. 292:10899-10911.Full Text via DOI: 10.1074/jbc.M116.762229 PMID: 28476887
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2017Ca2+-induced movement of tropomyosin on native cardiac thin filaments revealed by cryoelectron microscopy. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 114:6782-6787.Full Text via DOI: 10.1073/pnas.1700868114 PMID: 28607071
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2017Multimodal and Polymorphic Interactions between Anillin and Actin: Their Implications for Cytokinesis. JOURNAL OF MOLECULAR BIOLOGY. 429:715-731.Full Text via DOI: 10.1016/j.jmb.2017.01.020 PMID: 28147230
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2017Ca<sup>2+</sup>-induced movement of tropomyosin on native cardiac thin filaments revealed by cryoelectron microscopy.. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 114:6782-6787.Full Text via DOI: 10.1073/pnas.1700868114 PMID: 28607071
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2017Filaments and fingers: Novel structural aspects of the single septin from <i>Chlamydomonas reinhardtii</i>.. The Journal of biological chemistry. 292:10899-10911.Full Text via DOI: 10.1074/jbc.m116.762229 PMID: 28476887
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2017Multimodal and Polymorphic Interactions between Anillin and Actin: Their Implications for Cytokinesis.. JOURNAL OF MOLECULAR BIOLOGY. 429:715-731.Full Text via DOI: 10.1016/j.jmb.2017.01.020 PMID: 28147230
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2016C0 and C1 N-Terminal Ig-Domains of Myosin Binding Protein-C Exert Different Effects on thin Filament Activation. BIOPHYSICAL JOURNAL. 125A-125A.
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2016C0 and C1 N-terminal Ig domains of myosin binding protein C exert different effects on thin filament activation. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 113:1558-1563.Full Text via DOI: 10.1073/pnas.1518891113 PMID: 26831109
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2016Multimodal and polymorphic interactions between anillin and actin: their implications for cytokinesis.. MOLECULAR BIOLOGY OF THE CELL.
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2015Septin 9 Exhibits Polymorphic Binding to F-Actin and Inhibits Myosin and Cofilin Activity. JOURNAL OF MOLECULAR BIOLOGY. 427:3273-3284.Full Text via DOI: 10.1016/j.jmb.2015.07.026 PMID: 26297986
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2015Cryo-EM of One State of F-Actin Yields a New Atomic Filament Model. BIOPHYSICAL JOURNAL. 299A-299A.
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2015Near-Atomic Resolution for One State of F-Actin. STRUCTURE. 23:173-182.Full Text via DOI: 10.1016/j.str.2014.11.006 PMID: 25533486
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2015Near-atomic resolution for one state of F-actin.. STRUCTURE. 23:173-182.Full Text via DOI: 10.1016/j.str.2014.11.006 PMID: 25533486
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2015Septin 9 Exhibits Polymorphic Binding to F-Actin and Inhibits Myosin and Cofilin Activity.. JOURNAL OF MOLECULAR BIOLOGY. 427:3273-3284.Full Text via DOI: 10.1016/j.jmb.2015.07.026 PMID: 26297986
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2014Septin 9 is an actin binding protein which bundles F-actin through a unique N-terminal domain.. MOLECULAR BIOLOGY OF THE CELL.
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2014
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2014Septins promote stress fiber-mediated maturation of focal adhesions and renal epithelial motility. JOURNAL OF CELL BIOLOGY. 207:225-235.Full Text via DOI: 10.1083/jcb.201405050 PMID: 25349260
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2014Reversible paralysis of Schistosoma mansoni by forchlorfenuron, a phenylurea cytokinin that affects septins. INTERNATIONAL JOURNAL FOR PARASITOLOGY. 44:523-531.Full Text via DOI: 10.1016/j.ijpara.2014.03.010 PMID: 24768753
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2014Mapping Anillin-Actin Interactions. BIOPHYSICAL JOURNAL. 571A-571A.
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2014Identification of an Actin Binding Surface on Vinculin that Mediates Mechanical Cell and Focal Adhesion Properties. STRUCTURE. 22:697-706.Full Text via DOI: 10.1016/j.str.2014.03.002 PMID: 24685146
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2014Reversible paralysis of Schistosoma mansoni by forchlorfenuron, a phenylurea cytokinin that affects septins.. INTERNATIONAL JOURNAL FOR PARASITOLOGY. 44:523-31.Full Text via DOI: 10.1016/j.ijpara.2014.03.010 PMID: 24768753
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2014Septins promote stress fiber-mediated maturation of focal adhesions and renal epithelial motility.. JOURNAL OF CELL BIOLOGY. 207:225-35.Full Text via DOI: 10.1083/jcb.201405050 PMID: 25349260
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2013Focal adhesion maturation requires septin-mediated assembly of actin stress fibers. MOLECULAR BIOLOGY OF THE CELL.
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2013Mapping anillin-actin interactions. MOLECULAR BIOLOGY OF THE CELL.
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2013The Structure of the CS1 Pilus of Enterotoxigenic Escherichia coli Reveals Structural Polymorphism. JOURNAL OF BACTERIOLOGY. 195:1360-1370.Full Text via DOI: 10.1128/JB.01989-12 PMID: 23175654
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2012Actin Filaments as Tension Sensors. CURRENT BIOLOGY. R96-R101.Full Text via DOI: 10.1016/j.cub.2011.12.010 PMID: 22321312
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2012Are ParM Filaments Polar or Bipolar?. JOURNAL OF MOLECULAR BIOLOGY. 423:482-485.Full Text via DOI: 10.1016/j.jmb.2012.08.006 PMID: 22922064
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2011Crystal Structure of the Phage T4 Recombinase UvsX and Its Functional Interaction with the T4 SF2 Helicase UvsW. JOURNAL OF MOLECULAR BIOLOGY. 405:65-76.Full Text via DOI: 10.1016/j.jmb.2010.10.004 PMID: 21035462
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2011Remodeling of actin filaments by ADF/cofilin proteins. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 108:20568-20572.Full Text via DOI: 10.1073/pnas.1110109108 PMID: 22158895
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2011The N-Terminal Domains of Myosin Binding Protein C Can Bind Polymorphically to F-Actin. JOURNAL OF MOLECULAR BIOLOGY. 412:379-386.Full Text via DOI: 10.1016/j.jmb.2011.07.056 PMID: 21821050
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2011Two Modes of Binding of DinI to RecA Filament Provide a New Insight into the Regulation of SOS Response by DinI Protein. JOURNAL OF MOLECULAR BIOLOGY. 408:815-824.Full Text via DOI: 10.1016/j.jmb.2011.03.046 PMID: 21458462
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2010Enhancement of RAD51 recombinase activity by the tumor suppressor PALB2. NATURE STRUCTURAL & MOLECULAR BIOLOGY. 17:1255-+.Full Text via DOI: 10.1038/nsmb.1916 PMID: 20871616
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2010Mapping of Drebrin Binding Site on F-Actin. JOURNAL OF MOLECULAR BIOLOGY. 398:542-554.Full Text via DOI: 10.1016/j.jmb.2010.03.039 PMID: 20347847
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2010Opening of tandem calponin homology domains regulates their affinity for F-actin. NATURE STRUCTURAL & MOLECULAR BIOLOGY. 17:614-616.Full Text via DOI: 10.1038/nsmb.1789 PMID: 20383143
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2010ParA2, a Vibrio cholerae chromosome partitioning protein, forms left-handed helical filaments on DNA. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 107:4590-4595.Full Text via DOI: 10.1073/pnas.0913060107 PMID: 20176965
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2010Structural polymorphism in F-actin. NATURE STRUCTURAL & MOLECULAR BIOLOGY. 17:1318-U169.Full Text via DOI: 10.1038/nsmb.1930 PMID: 20935633
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2010The Structure of the Salmonella typhimurium Type III Secretion System Needle Shows Divergence from the Flagellar System. JOURNAL OF MOLECULAR BIOLOGY. 396:1392-1397.Full Text via DOI: 10.1016/j.jmb.2010.01.001 PMID: 20060835
Research
research overview
- My laboratory utilizes three dimensional cryo electron microscopy to determine high resolution structures of large macromolecular complexes that cannot be determined by more traditional methods such as crystallography and nuclear magnetic resonance. My group has full access to the state of the art Titan Krios electron microscope (UVA) equipped with the direct detector and automated image acquisition system. We also use field emission gun JEOL JEM-2100F microscope equipped with the Gatan SC1000 ORIUS CCD camera and cryo stage (ODU). JEOL 1200 EX ll transmission electron microscope equipped with an 11 megapixel AMT digital camera is conveniently located in Lewis Hall (EVMS). Structural studies of actin and its complexes with actin binding proteins have enormous significance in many aspects of human health, from cell motility in metastasis, to cardiac muscle contraction and rearrangements of the actin cytoskeleton during bacterial pathogenesis. Understanding the mechanisms of regulation of the structure and morphogenesis of the contractile ring upon cell division is crucial for understanding of the molecular mechanisms of cytokinesis.
projects
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Current Project
- REGULATION OF THE ACTIN FILAMENT POINTED END DYNAMICS IN HEALTH AND DISEASE PI 2021 -
- : REGIONAL CONSORTIA FOR HIGH RESOLUTION CRYOELECTRON MICROSCOPY (U24) PI
- Mechanisms of Thin Filament Regulation by Myosin Binding Protein-C PI
- Structure of the Prepowerstroke Conformation of Actomyosin-ADP-Pi by Time-Resolved Cryo-EM PI
Contact
preferred title
- Associate Professor
full name
- Vitold E. Galkin, Ph.D.