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  • Articles  (3)
  • Amino Acid Sequence  (3)
  • American Association for the Advancement of Science (AAAS)  (3)
  • 2005-2009  (3)
  • 1
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    Crystal structure of a divalent metal ion transporter CorA at 2.9 angstrom resolution (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-22
    Description: CorA family members are ubiquitously distributed transporters of divalent metal cations and are considered to be the primary Mg2+ transporter of Bacteria and Archaea. We have determined a 2.9 angstrom resolution structure of CorA from Thermotoga maritima that reveals a pentameric cone-shaped protein. Two potential regulatory metal binding sites are found in the N-terminal domain that bind both Mg2+ and Co2+. The structure of CorA supports an efflux system involving dehydration and rehydration of divalent metal ions potentially mediated by a ring of conserved aspartate residues at the cytoplasmic entrance and a carbonyl funnel at the periplasmic side of the pore.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eshaghi, Said -- Niegowski, Damian -- Kohl, Andreas -- Martinez Molina, Daniel -- Lesley, Scott A -- Nordlund, Par -- New York, N.Y. -- Science. 2006 Jul 21;313(5785):354-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biophysics, Department of Medical Biochemistry and Biophysics, Karolinska Institute, SE-171 77 Stockholm, Sweden. Said.Eshaghi@ki.se〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16857941" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/*chemistry/metabolism ; Binding Sites ; Cation Transport Proteins/*chemistry/metabolism ; Chlorides/analysis/metabolism ; Cobalt/chemistry/*metabolism ; Crystallography, X-Ray ; Hydrophobic and Hydrophilic Interactions ; Magnesium/chemistry/*metabolism ; Models, Molecular ; Molecular Sequence Data ; Protein Conformation ; Protein Folding ; Protein Structure, Quaternary ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Sequence Alignment ; Thermotoga maritima/*chemistry ; Water/chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Crystal structure of the malaria vaccine candidate apical membrane antigen 1 (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-02-26
    Description: Apical membrane antigen 1 from Plasmodium is a leading malaria vaccine candidate. The protein is essential for host-cell invasion, but its molecular function is unknown. The crystal structure of the three domains comprising the ectoplasmic region of the antigen from P. vivax, solved at 1.8 angstrom resolution, shows that domains I and II belong to the PAN motif, which defines a superfamily of protein folds implicated in receptor binding. We also mapped the epitope of an invasion-inhibitory monoclonal antibody specific for the P. falciparum ortholog and modeled this to the structure. The location of the epitope and current knowledge on structure-function correlations for PAN domains together suggest a receptor-binding role during invasion in which domain II plays a critical part. These results are likely to aid vaccine and drug design.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pizarro, Juan Carlos -- Vulliez-Le Normand, Brigitte -- Chesne-Seck, Marie-Laure -- Collins, Christine R -- Withers-Martinez, Chrislaine -- Hackett, Fiona -- Blackman, Michael J -- Faber, Bart W -- Remarque, Edmond J -- Kocken, Clemens H M -- Thomas, Alan W -- Bentley, Graham A -- MC_U117532063/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2005 Apr 15;308(5720):408-11. Epub 2005 Feb 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Unite d'Immunologie Structurale, Centre National de la Recherche Scientifique, URA 2185, Institut Pasteur, 25 rue du Docteur Roux, 75724 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15731407" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Antibodies, Monoclonal/immunology ; Antigens, Protozoan/*chemistry/immunology ; Binding Sites ; Crystallization ; Crystallography, X-Ray ; Epitope Mapping ; Epitopes ; Heparin/metabolism ; Malaria Vaccines ; Membrane Proteins/*chemistry/immunology ; Models, Molecular ; Molecular Sequence Data ; Plasmodium falciparum/chemistry/immunology ; Plasmodium vivax/chemistry/*immunology ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protozoan Proteins/*chemistry/immunology ; Recombinant Proteins/chemistry ; Sequence Alignment
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Community genomics among stratified microbial assemblages in the ocean's interior (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-28
    Description: Microbial life predominates in the ocean, yet little is known about its genomic variability, especially along the depth continuum. We report here genomic analyses of planktonic microbial communities in the North Pacific Subtropical Gyre, from the ocean's surface to near-sea floor depths. Sequence variation in microbial community genes reflected vertical zonation of taxonomic groups, functional gene repertoires, and metabolic potential. The distributional patterns of microbial genes suggested depth-variable community trends in carbon and energy metabolism, attachment and motility, gene mobility, and host-viral interactions. Comparative genomic analyses of stratified microbial communities have the potential to provide significant insight into higher-order community organization and dynamics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DeLong, Edward F -- Preston, Christina M -- Mincer, Tracy -- Rich, Virginia -- Hallam, Steven J -- Frigaard, Niels-Ulrik -- Martinez, Asuncion -- Sullivan, Matthew B -- Edwards, Robert -- Brito, Beltran Rodriguez -- Chisholm, Sallie W -- Karl, David M -- New York, N.Y. -- Science. 2006 Jan 27;311(5760):496-503.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massachusetts Institute of Technology, Cambridge, MA 02139, USA. delong@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16439655" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Archaea/classification/*genetics/metabolism ; Archaeal Proteins/chemistry/genetics/metabolism ; Bacteria/classification/*genetics/metabolism ; Bacterial Proteins/chemistry/genetics/metabolism ; Bacteriophages/genetics ; Base Sequence ; Cloning, Molecular ; Cluster Analysis ; Computational Biology ; Cosmids ; DNA, Viral/chemistry/genetics ; Ecosystem ; Gene Library ; *Genes, Archaeal ; *Genes, Bacterial ; Genes, rRNA ; *Genomics ; Molecular Sequence Data ; Pacific Ocean ; Seawater/*microbiology ; Sequence Analysis, DNA ; Water Microbiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
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    PAPER CURRENT
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