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  • 1
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    Crystal structure of a lipid G protein-coupled receptor (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-02-22
    Description: The lyso-phospholipid sphingosine 1-phosphate modulates lymphocyte trafficking, endothelial development and integrity, heart rate, and vascular tone and maturation by activating G protein-coupled sphingosine 1-phosphate receptors. Here, we present the crystal structure of the sphingosine 1-phosphate receptor 1 fused to T4-lysozyme (S1P(1)-T4L) in complex with an antagonist sphingolipid mimic. Extracellular access to the binding pocket is occluded by the amino terminus and extracellular loops of the receptor. Access is gained by ligands entering laterally between helices I and VII within the transmembrane region of the receptor. This structure, along with mutagenesis, agonist structure-activity relationship data, and modeling, provides a detailed view of the molecular recognition and requirement for hydrophobic volume that activates S1P(1), resulting in the modulation of immune and stromal cell responses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3338336/" 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/PMC3338336/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanson, Michael A -- Roth, Christopher B -- Jo, Euijung -- Griffith, Mark T -- Scott, Fiona L -- Reinhart, Greg -- Desale, Hans -- Clemons, Bryan -- Cahalan, Stuart M -- Schuerer, Stephan C -- Sanna, M Germana -- Han, Gye Won -- Kuhn, Peter -- Rosen, Hugh -- Stevens, Raymond C -- AI055509/AI/NIAID NIH HHS/ -- AI074564/AI/NIAID NIH HHS/ -- P50 GM073197/GM/NIGMS NIH HHS/ -- P50 GM073197-08/GM/NIGMS NIH HHS/ -- R01 AI055509/AI/NIAID NIH HHS/ -- R01 AI055509-04/AI/NIAID NIH HHS/ -- U01 AI074564/AI/NIAID NIH HHS/ -- U01 AI074564-04/AI/NIAID NIH HHS/ -- U54 GM094618/GM/NIGMS NIH HHS/ -- U54 GM094618-02/GM/NIGMS NIH HHS/ -- U54 MH084512/MH/NIMH NIH HHS/ -- U54 MH084512-04/MH/NIMH NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2012 Feb 17;335(6070):851-5. doi: 10.1126/science.1215904.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Receptos, 10835 Road to the Cure, San Diego, CA 92121, USA. mhanson@receptos.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22344443" target="_blank"〉PubMed〈/a〉
    Keywords: Anilides/chemistry ; Binding Sites ; Crystallography, X-Ray ; Models, Molecular ; Muramidase/chemistry ; Mutagenesis ; Organophosphonates/chemistry ; Protein Conformation ; Receptors, Lysosphingolipid/agonists/antagonists & inhibitors/*chemistry/genetics ; Recombinant Fusion Proteins/chemistry/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    A yeast prion, Mod5, promotes acquired drug resistance and cell survival under environmental stress (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-04-21
    Description: Prion conversion from a soluble protein to an aggregated state may be involved in the cellular adaptation of yeast to the environment. However, it remains unclear whether and how cells actively use prion conversion to acquire a fitness advantage in response to environmental stress. We identified Mod5, a yeast transfer RNA isopentenyltransferase lacking glutamine/asparagine-rich domains, as a yeast prion protein and found that its prion conversion in yeast regulated the sterol biosynthetic pathway for acquired cellular resistance against antifungal agents. Furthermore, selective pressure by antifungal drugs on yeast facilitated the de novo appearance of Mod5 prion states for cell survival. Thus, phenotypic changes caused by active prion conversion under environmental selection may contribute to cellular adaptation in living organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suzuki, Genjiro -- Shimazu, Naoyuki -- Tanaka, Motomasa -- New York, N.Y. -- Science. 2012 Apr 20;336(6079):355-9. doi: 10.1126/science.1219491.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Protein Conformation Diseases, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22517861" target="_blank"〉PubMed〈/a〉
    Keywords: Alkyl and Aryl Transferases/*chemistry/genetics/*metabolism ; Antifungal Agents/*pharmacology ; Biosynthetic Pathways ; Crosses, Genetic ; Drug Resistance, Fungal ; Ergosterol/biosynthesis ; Fluorouracil/pharmacology ; Microbial Viability ; Prions/*chemistry/genetics/metabolism ; Protein Conformation ; Protein Structure, Tertiary ; RNA, Fungal/metabolism ; RNA, Transfer/metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Saccharomyces cerevisiae/chemistry/*drug effects/genetics/*physiology ; Saccharomyces cerevisiae Proteins/*chemistry/genetics/*metabolism ; Selection, Genetic ; Solubility ; *Stress, Physiological
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Mutations in the neverland gene turned Drosophila pachea into an obligate specialist species (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-09-29
    Description: Most living species exploit a limited range of resources. However, little is known about how tight associations build up during evolution between such specialist species and the hosts they use. We examined the dependence of Drosophila pachea on its single host, the senita cactus. Several amino acid changes in the Neverland oxygenase rendered D. pachea unable to transform cholesterol into 7-dehydrocholesterol (the first reaction in the steroid hormone biosynthetic pathway in insects) and thus made D. pachea dependent on the uncommon sterols of its host plant. The neverland mutations increase survival on the cactus's unusual sterols and are in a genomic region that faced recent positive selection. This study illustrates how relatively few genetic changes in a single gene may restrict the ecological niche of a species.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4729188/" 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/PMC4729188/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lang, Michael -- Murat, Sophie -- Clark, Andrew G -- Gouppil, Geraldine -- Blais, Catherine -- Matzkin, Luciano M -- Guittard, Emilie -- Yoshiyama-Yanagawa, Takuji -- Kataoka, Hiroshi -- Niwa, Ryusuke -- Lafont, Rene -- Dauphin-Villemant, Chantal -- Orgogozo, Virginie -- AI064950/AI/NIAID NIH HHS/ -- R01 AI064950/AI/NIAID NIH HHS/ -- R01 HG003229/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2012 Sep 28;337(6102):1658-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉CNRS UMR7592, Universite Paris Diderot, Sorbonne Paris Cite, Institut Jacques Monod, Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23019649" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cactaceae/*metabolism ; Cholesterol/metabolism ; Conserved Sequence ; Dehydrocholesterols/metabolism ; Drosophila/genetics/*physiology ; Drosophila Proteins/chemistry/*genetics/metabolism ; *Food Chain ; Molecular Sequence Data ; *Mutation ; Oxygenases/chemistry/*genetics/metabolism ; Protein Conformation ; RNA Interference ; Selection, Genetic ; Species Specificity
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Membrane fusion intermediates via directional and full assembly of the SNARE complex (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-06-02
    Description: Cellular membrane fusion is thought to proceed through intermediates including docking of apposed lipid bilayers, merging of proximal leaflets to form a hemifusion diaphragm, and fusion pore opening. A membrane-bridging four-helix complex of soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNAREs) mediates fusion. However, how assembly of the SNARE complex generates docking and other fusion intermediates is unknown. Using a cell-free reaction, we identified intermediates visually and then arrested the SNARE fusion machinery when fusion was about to begin. Partial and directional assembly of SNAREs tightly docked bilayers, but efficient fusion and an extended form of hemifusion required assembly beyond the core complex to the membrane-connecting linkers. We propose that straining of lipids at the edges of an extended docking zone initiates fusion.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3677693/" 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/PMC3677693/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hernandez, Javier M -- Stein, Alexander -- Behrmann, Elmar -- Riedel, Dietmar -- Cypionka, Anna -- Farsi, Zohreh -- Walla, Peter J -- Raunser, Stefan -- Jahn, Reinhard -- 3P01GM072694-05S1/GM/NIGMS NIH HHS/ -- P01 GM072694/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2012 Jun 22;336(6088):1581-4. doi: 10.1126/science.1221976. Epub 2012 May 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Max Planck Institute for Biophysical Chemistry, Gottingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22653732" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Lipid Bilayers/chemistry/*metabolism ; *Liposomes/chemistry/metabolism ; *Membrane Fusion ; Protein Binding ; Protein Conformation ; Rats ; SNARE Proteins/chemistry/*metabolism ; Vesicle-Associated Membrane Protein 2/metabolism
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  • 5
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    Structural basis for DNA damage-dependent poly(ADP-ribosyl)ation by human PARP-1 (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-05-15
    Description: Poly(ADP-ribose) polymerase-1 (PARP-1) (ADP, adenosine diphosphate) has a modular domain architecture that couples DNA damage detection to poly(ADP-ribosyl)ation activity through a poorly understood mechanism. Here, we report the crystal structure of a DNA double-strand break in complex with human PARP-1 domains essential for activation (Zn1, Zn3, WGR-CAT). PARP-1 engages DNA as a monomer, and the interaction with DNA damage organizes PARP-1 domains into a collapsed conformation that can explain the strong preference for automodification. The Zn1, Zn3, and WGR domains collectively bind to DNA, forming a network of interdomain contacts that links the DNA damage interface to the catalytic domain (CAT). The DNA damage-induced conformation of PARP-1 results in structural distortions that destabilize the CAT. Our results suggest that an increase in CAT protein dynamics underlies the DNA-dependent activation mechanism of PARP-1.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3532513/" 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/PMC3532513/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Langelier, Marie-France -- Planck, Jamie L -- Roy, Swati -- Pascal, John M -- P30 EB009998/EB/NIBIB NIH HHS/ -- P30CA56036/CA/NCI NIH HHS/ -- R01 GM087282/GM/NIGMS NIH HHS/ -- R01087282/PHS HHS/ -- New York, N.Y. -- Science. 2012 May 11;336(6082):728-32. doi: 10.1126/science.1216338.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, The Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22582261" target="_blank"〉PubMed〈/a〉
    Keywords: Catalytic Domain ; Crystallography, X-Ray ; DNA/*chemistry/*metabolism ; *DNA Breaks, Double-Stranded ; Enzyme Stability ; Humans ; Hydrophobic and Hydrophilic Interactions ; Models, Molecular ; Nucleic Acid Conformation ; Poly Adenosine Diphosphate Ribose/*metabolism ; Poly(ADP-ribose) Polymerases/*chemistry/*metabolism ; Protein Binding ; Protein Conformation ; Protein Structure, Tertiary
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  • 6
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    Structural probing of a protein phosphatase 2A network by chemical cross-linking and mass spectrometry (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-09-18
    Description: The identification of proximate amino acids by chemical cross-linking and mass spectrometry (XL-MS) facilitates the structural analysis of homogeneous protein complexes. We gained distance restraints on a modular interaction network of protein complexes affinity-purified from human cells by applying an adapted XL-MS protocol. Systematic analysis of human protein phosphatase 2A (PP2A) complexes identified 176 interprotein and 570 intraprotein cross-links that link specific trimeric PP2A complexes to a multitude of adaptor proteins that control their cellular functions. Spatial restraints guided molecular modeling of the binding interface between immunoglobulin binding protein 1 (IGBP1) and PP2A and revealed the topology of TCP1 ring complex (TRiC) chaperonin interacting with the PP2A regulatory subunit 2ABG. This study establishes XL-MS as an integral part of hybrid structural biology approaches for the analysis of endogenous protein complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herzog, Franz -- Kahraman, Abdullah -- Boehringer, Daniel -- Mak, Raymond -- Bracher, Andreas -- Walzthoeni, Thomas -- Leitner, Alexander -- Beck, Martin -- Hartl, Franz-Ulrich -- Ban, Nenad -- Malmstrom, Lars -- Aebersold, Ruedi -- New York, N.Y. -- Science. 2012 Sep 14;337(6100):1348-52. doi: 10.1126/science.1221483.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Institute of Molecular Systems Biology, Eidgenossische Technische Hochschule Zurich, Wolfgang-Pauli Strasse 16, 8093 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22984071" target="_blank"〉PubMed〈/a〉
    Keywords: Chaperonins/chemistry ; Cross-Linking Reagents/chemistry ; Crystallography, X-Ray ; Humans ; Mass Spectrometry/*methods ; *Metabolic Networks and Pathways ; Protein Conformation ; Protein Interaction Mapping/*methods ; Protein Phosphatase 2/*chemistry
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  • 7
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    Highly conserved protective epitopes on influenza B viruses (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-08-11
    Description: Identification of broadly neutralizing antibodies against influenza A viruses has raised hopes for the development of monoclonal antibody-based immunotherapy and "universal" vaccines for influenza. However, a substantial part of the annual flu burden is caused by two cocirculating, antigenically distinct lineages of influenza B viruses. Here, we report human monoclonal antibodies, CR8033, CR8071, and CR9114, that protect mice against lethal challenge from both lineages. Antibodies CR8033 and CR8071 recognize distinct conserved epitopes in the head region of the influenza B hemagglutinin (HA), whereas CR9114 binds a conserved epitope in the HA stem and protects against lethal challenge with influenza A and B viruses. These antibodies may inform on development of monoclonal antibody-based treatments and a universal flu vaccine for all influenza A and B viruses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3538841/" 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/PMC3538841/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dreyfus, Cyrille -- Laursen, Nick S -- Kwaks, Ted -- Zuijdgeest, David -- Khayat, Reza -- Ekiert, Damian C -- Lee, Jeong Hyun -- Metlagel, Zoltan -- Bujny, Miriam V -- Jongeneelen, Mandy -- van der Vlugt, Remko -- Lamrani, Mohammed -- Korse, Hans J W M -- Geelen, Eric -- Sahin, Ozcan -- Sieuwerts, Martijn -- Brakenhoff, Just P J -- Vogels, Ronald -- Li, Olive T W -- Poon, Leo L M -- Peiris, Malik -- Koudstaal, Wouter -- Ward, Andrew B -- Wilson, Ian A -- Goudsmit, Jaap -- Friesen, Robert H E -- GM080209/GM/NIGMS NIH HHS/ -- P41RR001209/RR/NCRR NIH HHS/ -- RR017573/RR/NCRR NIH HHS/ -- T32 GM080209/GM/NIGMS NIH HHS/ -- U54 GM094586/GM/NIGMS NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2012 Sep 14;337(6100):1343-8. doi: 10.1126/science.1222908. Epub 2012 Aug 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular 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/22878502" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Monoclonal/chemistry/*immunology ; Antibodies, Neutralizing/chemistry/immunology ; Conserved Sequence ; Hemagglutinin Glycoproteins, Influenza Virus/*immunology ; Humans ; Immunodominant Epitopes/chemistry/*immunology ; Influenza B virus/*immunology ; Influenza Vaccines/*immunology ; Mice ; Molecular Sequence Data ; Neutralization Tests ; Orthomyxoviridae Infections/*prevention & control ; Protein Conformation
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  • 8
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    Breakthrough of the year. The runners-up (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 2012 Dec 21;338(6114):1525-32. doi: 10.1126/science.338.6114.1525.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23258865" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain-Computer Interfaces ; Crystallography, X-Ray ; Elementary Particles ; Embryonic Stem Cells ; Fossils ; Genetic Engineering ; Genome, Human ; Genomics ; Hominidae/genetics ; Humans ; Lasers ; Mars ; Oocytes/cytology ; Protein Conformation ; Protozoan Proteins/chemistry ; *Science ; Sequence Analysis, DNA ; Spacecraft ; Trypanosoma brucei brucei/enzymology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Structural insight into the ion-exchange mechanism of the sodium/calcium exchanger (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-02-11
    Description: Sodium/calcium (Na(+)/Ca(2+)) exchangers (NCX) are membrane transporters that play an essential role in maintaining the homeostasis of cytosolic Ca(2+) for cell signaling. We demonstrated the Na(+)/Ca(2+)-exchange function of an NCX from Methanococcus jannaschii (NCX_Mj) and report its 1.9 angstrom crystal structure in an outward-facing conformation. Containing 10 transmembrane helices, the two halves of NCX_Mj share a similar structure with opposite orientation. Four ion-binding sites cluster at the center of the protein: one specific for Ca(2+) and three that likely bind Na(+). Two passageways allow for Na(+) and Ca(2+) access to the central ion-binding sites from the extracellular side. Based on the symmetry of NCX_Mj and its ability to catalyze bidirectional ion-exchange reactions, we propose a structure model for the inward-facing NCX_Mj.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liao, Jun -- Li, Hua -- Zeng, Weizhong -- Sauer, David B -- Belmares, Ricardo -- Jiang, Youxing -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2012 Feb 10;335(6069):686-90. doi: 10.1126/science.1215759.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9040, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22323814" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Archaeal Proteins/*chemistry/metabolism ; Binding Sites ; Calcium/*metabolism ; Crystallization ; Crystallography, X-Ray ; Ion Transport ; Ligands ; Methanococcales/*chemistry/*metabolism ; Models, Molecular ; Molecular Sequence Data ; Protein Conformation ; Protein Structure, Secondary ; Sodium/*metabolism ; Sodium-Calcium Exchanger/*chemistry/*metabolism
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  • 10
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    Structural biology. News flash: X-ray laser produces first protein structure (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-12-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, Adrian -- New York, N.Y. -- Science. 2012 Nov 30;338(6111):1136. doi: 10.1126/science.338.6111.1136.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23197505" target="_blank"〉PubMed〈/a〉
    Keywords: Cathepsins/*chemistry ; Crystallography, X-Ray/*methods ; Cysteine Proteases/*chemistry ; *Lasers ; Protein Conformation ; Protozoan Proteins/*chemistry ; Trypanosoma brucei brucei/*enzymology
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