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  • Artikel  (16)
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  • 1
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    Structural basis for molecular recognition at serotonin receptors (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-03-23
    Beschreibung: Serotonin or 5-hydroxytryptamine (5-HT) regulates a wide spectrum of human physiology through the 5-HT receptor family. We report the crystal structures of the human 5-HT1B G protein-coupled receptor bound to the agonist antimigraine medications ergotamine and dihydroergotamine. The structures reveal similar binding modes for these ligands, which occupy the orthosteric pocket and an extended binding pocket close to the extracellular loops. The orthosteric pocket is formed by residues conserved in the 5-HT receptor family, clarifying the family-wide agonist activity of 5-HT. Compared with the structure of the 5-HT2B receptor, the 5-HT1B receptor displays a 3 angstrom outward shift at the extracellular end of helix V, resulting in a more open extended pocket that explains subtype selectivity. Together with docking and mutagenesis studies, these structures provide a comprehensive structural basis for understanding receptor-ligand interactions and designing subtype-selective serotonergic drugs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3644373/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3644373/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Chong -- Jiang, Yi -- Ma, Jinming -- Wu, Huixian -- Wacker, Daniel -- Katritch, Vsevolod -- Han, Gye Won -- Liu, Wei -- Huang, Xi-Ping -- Vardy, Eyal -- McCorvy, John D -- Gao, Xiang -- Zhou, X Edward -- Melcher, Karsten -- Zhang, Chenghai -- Bai, Fang -- Yang, Huaiyu -- Yang, Linlin -- Jiang, Hualiang -- Roth, Bryan L -- Cherezov, Vadim -- Stevens, Raymond C -- Xu, H Eric -- P50 GM073197/GM/NIGMS NIH HHS/ -- R01 DA027170/DA/NIDA NIH HHS/ -- R01 DA27170/DA/NIDA NIH HHS/ -- R01 DK071662/DK/NIDDK NIH HHS/ -- R01 MH061887/MH/NIMH NIH HHS/ -- R01 MH61887/MH/NIMH NIH HHS/ -- U19 MH082441/MH/NIMH NIH HHS/ -- U19 MH82441/MH/NIMH NIH HHS/ -- U54 GM094618/GM/NIGMS NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 May 3;340(6132):610-4. doi: 10.1126/science.1232807. Epub 2013 Mar 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23519210" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Binding Sites ; Crystallography, X-Ray ; Dihydroergotamine/chemistry/*metabolism ; Ergotamine/chemistry/*metabolism ; Humans ; Hydrogen Bonding ; Hydrophobic and Hydrophilic Interactions ; Ligands ; Lysergic Acid Diethylamide/chemistry/metabolism ; Models, Molecular ; Molecular Docking Simulation ; Molecular Sequence Data ; Mutagenesis ; Norfenfluramine/chemistry/metabolism ; Pindolol/analogs & derivatives/chemistry/metabolism ; Propranolol/chemistry/metabolism ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Receptor, Serotonin, 5-HT1B/*chemistry/genetics/*metabolism ; Serotonin 5-HT1 Receptor Agonists/*chemistry/*metabolism ; Tryptamines/chemistry/metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    The structural basis of ZMPSTE24-dependent laminopathies (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-03-30
    Beschreibung: Mutations in the nuclear membrane zinc metalloprotease ZMPSTE24 lead to diseases of lamin processing (laminopathies), such as the premature aging disease progeria and metabolic disorders. ZMPSTE24 processes prelamin A, a component of the nuclear lamina intermediate filaments, by cleaving it at two sites. Failure of this processing results in accumulation of farnesylated, membrane-associated prelamin A. The 3.4 angstrom crystal structure of human ZMPSTE24 has a seven transmembrane alpha-helical barrel structure, surrounding a large, water-filled, intramembrane chamber, capped by a zinc metalloprotease domain with the catalytic site facing into the chamber. The 3.8 angstrom structure of a complex with a CSIM tetrapeptide showed that the mode of binding of the substrate resembles that of an insect metalloprotease inhibitor in thermolysin. Laminopathy-associated mutations predicted to reduce ZMPSTE24 activity map to the zinc metalloprotease peptide-binding site and to the bottom of the chamber.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Quigley, Andrew -- Dong, Yin Yao -- Pike, Ashley C W -- Dong, Liang -- Shrestha, Leela -- Berridge, Georgina -- Stansfeld, Phillip J -- Sansom, Mark S P -- Edwards, Aled M -- Bountra, Chas -- von Delft, Frank -- Bullock, Alex N -- Burgess-Brown, Nicola A -- Carpenter, Elisabeth P -- 092809/Wellcome Trust/United Kingdom -- Canadian Institutes of Health Research/Canada -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2013 Mar 29;339(6127):1604-7. doi: 10.1126/science.1231513.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Structural Genomics Consortium, University of Oxford, Oxford, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23539603" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Catalytic Domain ; Crystallography, X-Ray ; Humans ; Lamin Type A ; Membrane Proteins/*chemistry/genetics ; Metabolism, Inborn Errors/genetics/*metabolism ; Metalloendopeptidases/*chemistry/genetics ; Molecular Sequence Data ; Nuclear Proteins/chemistry/genetics/*metabolism ; Progeria/genetics/metabolism ; Protein Conformation ; Protein Precursors/chemistry/genetics/*metabolism ; Substrate Specificity ; Thermolysin/chemistry
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Hepatitis C virus E2 envelope glycoprotein core structure (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-11-30
    Beschreibung: Hepatitis C virus (HCV), a Hepacivirus, is a major cause of viral hepatitis, liver cirrhosis, and hepatocellular carcinoma. HCV envelope glycoproteins E1 and E2 mediate fusion and entry into host cells and are the primary targets of the humoral immune response. The crystal structure of the E2 core bound to broadly neutralizing antibody AR3C at 2.65 angstroms reveals a compact architecture composed of a central immunoglobulin-fold beta sandwich flanked by two additional protein layers. The CD81 receptor binding site was identified by electron microscopy and site-directed mutagenesis and overlaps with the AR3C epitope. The x-ray and electron microscopy E2 structures differ markedly from predictions of an extended, three-domain, class II fusion protein fold and therefore provide valuable information for HCV drug and vaccine design.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3954638/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3954638/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kong, Leopold -- Giang, Erick -- Nieusma, Travis -- Kadam, Rameshwar U -- Cogburn, Kristin E -- Hua, Yuanzi -- Dai, Xiaoping -- Stanfield, Robyn L -- Burton, Dennis R -- Ward, Andrew B -- Wilson, Ian A -- Law, Mansun -- AI071084/AI/NIAID NIH HHS/ -- AI079031/AI/NIAID NIH HHS/ -- AI080916/AI/NIAID NIH HHS/ -- AI084817/AI/NIAID NIH HHS/ -- P41 GM103310/GM/NIGMS NIH HHS/ -- P41RR001209/RR/NCRR NIH HHS/ -- R01 AI071084/AI/NIAID NIH HHS/ -- R01 AI079031/AI/NIAID NIH HHS/ -- R01 AI084817/AI/NIAID NIH HHS/ -- R21 AI080916/AI/NIAID NIH HHS/ -- RR017573/RR/NCRR NIH HHS/ -- U54 GM094586/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Nov 29;342(6162):1090-4. doi: 10.1126/science.1243876.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24288331" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Antibodies, Neutralizing/chemistry ; Antigens, CD81/chemistry ; Antiviral Agents/chemistry ; Binding Sites ; Crystallography, X-Ray ; Drug Design ; Epitopes/chemistry/genetics ; Humans ; Immunoglobulin Fab Fragments/chemistry ; Mutagenesis, Site-Directed ; Protein Folding ; Protein Structure, Tertiary ; Viral Envelope Proteins/*chemistry/immunology ; Viral Hepatitis Vaccines/chemistry/immunology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    FtsZ protofilaments use a hinge-opening mechanism for constrictive force generation (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-07-28
    Beschreibung: The essential bacterial protein FtsZ is a guanosine triphosphatase that self-assembles into a structure at the division site termed the "Z ring". During cytokinesis, the Z ring exerts a constrictive force on the membrane by using the chemical energy of guanosine triphosphate hydrolysis. However, the structural basis of this constriction remains unresolved. Here, we present the crystal structure of a guanosine diphosphate-bound Mycobacterium tuberculosis FtsZ protofilament, which exhibits a curved conformational state. The structure reveals a longitudinal interface that is important for function. The protofilament curvature highlights a hydrolysis-dependent conformational switch at the T3 loop that leads to longitudinal bending between subunits, which could generate sufficient force to drive cytokinesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3816583/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3816583/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Ying -- Hsin, Jen -- Zhao, Lingyun -- Cheng, Yiwen -- Shang, Weina -- Huang, Kerwyn Casey -- Wang, Hong-Wei -- Ye, Sheng -- 1F32GM100677-01A1/GM/NIGMS NIH HHS/ -- DP2 OD006466/OD/NIH HHS/ -- DP2OD006466/OD/NIH HHS/ -- F32 GM100677/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):392-5. doi: 10.1126/science.1239248.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Life Sciences Institute, Zhejiang University, Hangzhou, 310058 Zhejiang, P.R. China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23888039" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Bacterial Proteins/*chemistry/genetics/*metabolism ; Cell Membrane/physiology ; Crystallography, X-Ray ; *Cytokinesis ; Cytoskeletal Proteins/*chemistry/genetics/*metabolism ; Escherichia coli/chemistry ; Guanosine Diphosphate/chemistry/metabolism ; Guanosine Triphosphate/metabolism ; Hydrolysis ; Hydrophobic and Hydrophilic Interactions ; Models, Molecular ; Molecular Dynamics Simulation ; Molecular Sequence Data ; Mycobacterium tuberculosis/*chemistry/physiology ; Point Mutation ; Protein Conformation ; Protein Multimerization ; Protein Subunits/chemistry/metabolism ; Staphylococcus aureus/chemistry
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 5
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    Crystal structure of Na+, K(+)-ATPase in the Na(+)-bound state (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-09-21
    Beschreibung: The Na(+), K(+)-adenosine triphosphatase (ATPase) maintains the electrochemical gradients of Na(+) and K(+) across the plasma membrane--a prerequisite for electrical excitability and secondary transport. Hitherto, structural information has been limited to K(+)-bound or ouabain-blocked forms. We present the crystal structure of a Na(+)-bound Na(+), K(+)-ATPase as determined at 4.3 A resolution. Compared with the K(+)-bound form, large conformational changes are observed in the alpha subunit whereas the beta and gamma subunit structures are maintained. The locations of the three Na(+) sites are indicated with the unique site III at the recently suggested IIIb, as further supported by electrophysiological studies on leak currents. Extracellular release of the third Na(+) from IIIb through IIIa, followed by exchange of Na(+) for K(+) at sites I and II, is suggested.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nyblom, Maria -- Poulsen, Hanne -- Gourdon, Pontus -- Reinhard, Linda -- Andersson, Magnus -- Lindahl, Erik -- Fedosova, Natalya -- Nissen, Poul -- New York, N.Y. -- Science. 2013 Oct 4;342(6154):123-7. doi: 10.1126/science.1243352. Epub 2013 Sep 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Membrane Pumps in Cells and Disease-PUMPkin, Danish National Research Foundation, DK-8000 Aarhus, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24051246" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Membrane/enzymology ; Crystallography, X-Ray ; *Models, Molecular ; Mutation ; Protein Binding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Sodium/*chemistry ; Sodium-Potassium-Exchanging ATPase/*chemistry/genetics ; Swine
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
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    Targeted inhibition of mutant IDH2 in leukemia cells induces cellular differentiation (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-04-06
    Beschreibung: A number of human cancers harbor somatic point mutations in the genes encoding isocitrate dehydrogenases 1 and 2 (IDH1 and IDH2). These mutations alter residues in the enzyme active sites and confer a gain-of-function in cancer cells, resulting in the accumulation and secretion of the oncometabolite (R)-2-hydroxyglutarate (2HG). We developed a small molecule, AGI-6780, that potently and selectively inhibits the tumor-associated mutant IDH2/R140Q. A crystal structure of AGI-6780 complexed with IDH2/R140Q revealed that the inhibitor binds in an allosteric manner at the dimer interface. The results of steady-state enzymology analysis were consistent with allostery and slow-tight binding by AGI-6780. Treatment with AGI-6780 induced differentiation of TF-1 erythroleukemia and primary human acute myelogenous leukemia cells in vitro. These data provide proof-of-concept that inhibitors targeting mutant IDH2/R140Q could have potential applications as a differentiation therapy for cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Fang -- Travins, Jeremy -- DeLaBarre, Byron -- Penard-Lacronique, Virginie -- Schalm, Stefanie -- Hansen, Erica -- Straley, Kimberly -- Kernytsky, Andrew -- Liu, Wei -- Gliser, Camelia -- Yang, Hua -- Gross, Stefan -- Artin, Erin -- Saada, Veronique -- Mylonas, Elena -- Quivoron, Cyril -- Popovici-Muller, Janeta -- Saunders, Jeffrey O -- Salituro, Francesco G -- Yan, Shunqi -- Murray, Stuart -- Wei, Wentao -- Gao, Yi -- Dang, Lenny -- Dorsch, Marion -- Agresta, Sam -- Schenkein, David P -- Biller, Scott A -- Su, Shinsan M -- de Botton, Stephane -- Yen, Katharine E -- New York, N.Y. -- Science. 2013 May 3;340(6132):622-6. doi: 10.1126/science.1234769. Epub 2013 Apr 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Agios Pharmaceuticals, Cambridge, MA 02139-4169, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23558173" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Allosteric Site ; Antineoplastic Agents/chemistry/metabolism/pharmacology ; Catalytic Domain ; Cell Line, Tumor ; Cell Proliferation ; Cells, Cultured ; Crystallography, X-Ray ; Enzyme Inhibitors/chemistry/metabolism/*pharmacology ; Erythropoiesis/drug effects ; Gene Expression Regulation, Leukemic ; Glutarates/metabolism ; Hematopoiesis/*drug effects ; Humans ; Isocitrate Dehydrogenase/*antagonists & inhibitors/chemistry/*genetics/metabolism ; Leukemia, Erythroblastic, Acute ; Leukemia, Myeloid, Acute/drug therapy/*enzymology/genetics/pathology ; Molecular Targeted Therapy ; Mutant Proteins/antagonists & inhibitors/chemistry/metabolism ; Phenylurea Compounds/chemistry/metabolism/*pharmacology ; Point Mutation ; Protein Multimerization ; Protein Structure, Secondary ; Small Molecule Libraries ; Sulfonamides/chemistry/metabolism/*pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
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    Structure-based design of a fusion glycoprotein vaccine for respiratory syncytial virus (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-11-02
    Beschreibung: Respiratory syncytial virus (RSV) is the leading cause of hospitalization for children under 5 years of age. We sought to engineer a viral antigen that provides greater protection than currently available vaccines and focused on antigenic site O, a metastable site specific to the prefusion state of the RSV fusion (F) glycoprotein, as this site is targeted by extremely potent RSV-neutralizing antibodies. Structure-based design yielded stabilized versions of RSV F that maintained antigenic site O when exposed to extremes of pH, osmolality, and temperature. Six RSV F crystal structures provided atomic-level data on how introduced cysteine residues and filled hydrophobic cavities improved stability. Immunization with site O-stabilized variants of RSV F in mice and macaques elicited levels of RSV-specific neutralizing activity many times the protective threshold.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4461862/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4461862/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McLellan, Jason S -- Chen, Man -- Joyce, M Gordon -- Sastry, Mallika -- Stewart-Jones, Guillaume B E -- Yang, Yongping -- Zhang, Baoshan -- Chen, Lei -- Srivatsan, Sanjay -- Zheng, Anqi -- Zhou, Tongqing -- Graepel, Kevin W -- Kumar, Azad -- Moin, Syed -- Boyington, Jeffrey C -- Chuang, Gwo-Yu -- Soto, Cinque -- Baxa, Ulrich -- Bakker, Arjen Q -- Spits, Hergen -- Beaumont, Tim -- Zheng, Zizheng -- Xia, Ningshao -- Ko, Sung-Youl -- Todd, John-Paul -- Rao, Srinivas -- Graham, Barney S -- Kwong, Peter D -- ZIA AI005024-11/Intramural NIH HHS/ -- ZIA AI005061-10/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2013 Nov 1;342(6158):592-8. doi: 10.1126/science.1243283.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24179220" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antibodies, Neutralizing/immunology ; Antigens, Viral/*chemistry/genetics/immunology ; Crystallography, X-Ray ; Cysteine/chemistry/genetics ; Glycoproteins/*chemistry/genetics/immunology ; Humans ; Macaca ; Mice ; Protein Engineering ; Protein Multimerization ; Protein Stability ; Protein Structure, Tertiary ; Respiratory Syncytial Virus Infections/*prevention & control ; Respiratory Syncytial Virus Vaccines/*chemistry ; Vaccination ; Viral Fusion Proteins/*chemistry/genetics/immunology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
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    Molecular basis of tubulin transport within the cilium by IFT74 and IFT81 (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-08-31
    Beschreibung: Intraflagellar transport (IFT) of ciliary precursors such as tubulin from the cytoplasm to the ciliary tip is involved in the construction of the cilium, a hairlike organelle found on most eukaryotic cells. However, the molecular mechanisms of IFT are poorly understood. Here, we found that the two core IFT proteins IFT74 and IFT81 form a tubulin-binding module and mapped the interaction to a calponin homology domain of IFT81 and a highly basic domain in IFT74. Knockdown of IFT81 and rescue experiments with point mutants showed that tubulin binding by IFT81 was required for ciliogenesis in human cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4359902/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4359902/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhogaraju, Sagar -- Cajanek, Lukas -- Fort, Cecile -- Blisnick, Thierry -- Weber, Kristina -- Taschner, Michael -- Mizuno, Naoko -- Lamla, Stefan -- Bastin, Philippe -- Nigg, Erich A -- Lorentzen, Esben -- New York, N.Y. -- Science. 2013 Aug 30;341(6149):1009-12. doi: 10.1126/science.1240985.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Structural Cell Biology, Max Planck Institute of Biochemistry, Martinsried, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23990561" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Line, Tumor ; Chlamydomonas reinhardtii/genetics/metabolism ; Cilia/genetics/*physiology ; Crystallography, X-Ray ; Cytoskeletal Proteins/chemistry/genetics/*metabolism ; Gene Knockdown Techniques ; Humans ; Muscle Proteins/chemistry/genetics/*metabolism ; Plant Proteins/chemistry/genetics/metabolism ; Point Mutation ; Protein Structure, Tertiary ; Protein Transport ; RNA, Small Interfering/genetics ; Tubulin/*metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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    Structural basis for flg22-induced activation of the Arabidopsis FLS2-BAK1 immune complex (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-10-12
    Beschreibung: Flagellin perception in Arabidopsis is through recognition of its highly conserved N-terminal epitope (flg22) by flagellin-sensitive 2 (FLS2). Flg22 binding induces FLS2 heteromerization with BRASSINOSTEROID INSENSITIVE 1-associated kinase 1 (BAK1) and their reciprocal activation followed by plant immunity. Here, we report the crystal structure of FLS2 and BAK1 ectodomains complexed with flg22 at 3.06 angstroms. A conserved and a nonconserved site from the inner surface of the FLS2 solenoid recognize the C- and N-terminal segment of flg22, respectively, without oligomerization or conformational changes in the FLS2 ectodomain. Besides directly interacting with FLS2, BAK1 acts as a co-receptor by recognizing the C terminus of the FLS2-bound flg22. Our data reveal the molecular mechanisms underlying FLS2-BAK1 complex recognition of flg22 and provide insight into the immune receptor complex activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Yadong -- Li, Lei -- Macho, Alberto P -- Han, Zhifu -- Hu, Zehan -- Zipfel, Cyril -- Zhou, Jian-Min -- Chai, Jijie -- New York, N.Y. -- Science. 2013 Nov 1;342(6158):624-8. doi: 10.1126/science.1243825. Epub 2013 Oct 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Life Sciences, Tsinghua University, Beijing 100084, China, and Tsinghua-Peking Center for Life Sciences, Beijing 100084, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24114786" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Antigen-Antibody Complex/*chemistry ; Arabidopsis/*immunology ; Arabidopsis Proteins/*chemistry ; Crystallography, X-Ray ; Flagellin/*chemistry ; Protein Kinases/*chemistry ; Protein Structure, Tertiary ; Protein-Serine-Threonine Kinases/*chemistry
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
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    Rational HIV immunogen design to target specific germline B cell receptors (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-03-30
    Beschreibung: Vaccine development to induce broadly neutralizing antibodies (bNAbs) against HIV-1 is a global health priority. Potent VRC01-class bNAbs against the CD4 binding site of HIV gp120 have been isolated from HIV-1-infected individuals; however, such bNAbs have not been induced by vaccination. Wild-type gp120 proteins lack detectable affinity for predicted germline precursors of VRC01-class bNAbs, making them poor immunogens to prime a VRC01-class response. We employed computation-guided, in vitro screening to engineer a germline-targeting gp120 outer domain immunogen that binds to multiple VRC01-class bNAbs and germline precursors, and elucidated germline binding crystallographically. When multimerized on nanoparticles, this immunogen (eOD-GT6) activates germline and mature VRC01-class B cells. Thus, eOD-GT6 nanoparticles have promise as a vaccine prime. In principle, germline-targeting strategies could be applied to other epitopes and pathogens.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3689846/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3689846/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jardine, Joseph -- Julien, Jean-Philippe -- Menis, Sergey -- Ota, Takayuki -- Kalyuzhniy, Oleksandr -- McGuire, Andrew -- Sok, Devin -- Huang, Po-Ssu -- MacPherson, Skye -- Jones, Meaghan -- Nieusma, Travis -- Mathison, John -- Baker, David -- Ward, Andrew B -- Burton, Dennis R -- Stamatatos, Leonidas -- Nemazee, David -- Wilson, Ian A -- Schief, William R -- 5T32AI007606-10/AI/NIAID NIH HHS/ -- AI081625/AI/NIAID NIH HHS/ -- AI33292/AI/NIAID NIH HHS/ -- AI84817/AI/NIAID NIH HHS/ -- P01 AI094419/AI/NIAID NIH HHS/ -- P30 AI027767-24/AI/NIAID NIH HHS/ -- P41RR001209/RR/NCRR NIH HHS/ -- R01 AI033292/AI/NIAID NIH HHS/ -- R01 AI073148/AI/NIAID NIH HHS/ -- R01 AI081625/AI/NIAID NIH HHS/ -- R01 AI084817/AI/NIAID NIH HHS/ -- R37 AI033292/AI/NIAID NIH HHS/ -- T32 CA080416/CA/NCI NIH HHS/ -- T32CA080416/CA/NCI NIH HHS/ -- UM1 AI100663/AI/NIAID NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2013 May 10;340(6133):711-6. doi: 10.1126/science.1234150. Epub 2013 Mar 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23539181" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): AIDS Vaccines/chemistry/genetics/*immunology ; Amino Acid Sequence ; Animals ; Antibodies, Neutralizing/immunology ; Antigens, CD4/immunology ; B-Lymphocytes/immunology ; Crystallography, X-Ray ; DNA Mutational Analysis ; Germ Cells/*immunology ; HIV Envelope Protein gp120/chemistry/genetics/*immunology ; HIV Infections/*prevention & control ; HIV-1/*immunology ; Humans ; Macaca ; Mice ; Models, Animal ; Molecular Sequence Data ; Nanoparticles ; Protein Engineering ; Protein Structure, Tertiary ; Receptors, Antigen, B-Cell/*immunology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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