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  • 1
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    Detecting protein function and protein-protein interactions from genome sequences (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: A computational method is proposed for inferring protein interactions from genome sequences on the basis of the observation that some pairs of interacting proteins have homologs in another organism fused into a single protein chain. Searching sequences from many genomes revealed 6809 such putative protein-protein interactions in Escherichia coli and 45,502 in yeast. Many members of these pairs were confirmed as functionally related; computational filtering further enriches for interactions. Some proteins have links to several other proteins; these coupled links appear to represent functional interactions such as complexes or pathways. Experimentally confirmed interacting pairs are documented in a Database of Interacting Proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marcotte, E M -- Pellegrini, M -- Ng, H L -- Rice, D W -- Yeates, T O -- Eisenberg, D -- P01 GM 31299/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):751-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UCLA-Department of Energy Laboratory of Structural Biology and Molecular Medicine, University of California at Los Angeles, Los Angeles, CA 90095-1570, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10427000" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/chemistry/genetics/metabolism/physiology ; Binding Sites ; *Computational Biology ; Databases, Factual ; Escherichia coli/genetics ; Evolution, Molecular ; Fungal Proteins/chemistry/genetics/metabolism ; *Genome ; Genome, Bacterial ; Genome, Fungal ; Humans ; Models, Biological ; Proteins/chemistry/genetics/metabolism/*physiology ; *Sequence Homology, Amino Acid ; *Sequence Homology, Nucleic Acid ; Thermodynamics
    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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    Biochemistry. Proteins in a small world (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yeates, Todd O -- Beeby, Morgan -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1882-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, CA90024-1569, USA. yeates@mbi.ucla.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185587" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Evolution, Molecular ; Gene Duplication ; Gene Transfer, Horizontal ; *Metabolic Networks and Pathways ; Mutation ; Protein Binding ; *Protein Interaction Mapping ; Proteins/*chemistry/genetics/*metabolism ; Saccharomyces cerevisiae Proteins/chemistry/metabolism
    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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    Atomic-level models of the bacterial carboxysome shell (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-02-23
    Description: The carboxysome is a bacterial microcompartment that functions as a simple organelle by sequestering enzymes involved in carbon fixation. The carboxysome shell is roughly 800 to 1400 angstroms in diameter and is assembled from several thousand protein subunits. Previous studies have revealed the three-dimensional structures of hexameric carboxysome shell proteins, which self-assemble into molecular layers that most likely constitute the facets of the polyhedral shell. Here, we report the three-dimensional structures of two proteins of previously unknown function, CcmL and OrfA (or CsoS4A), from the two known classes of carboxysomes, at resolutions of 2.4 and 2.15 angstroms. Both proteins assemble to form pentameric structures whose size and shape are compatible with formation of vertices in an icosahedral shell. Combining these pentamers with the hexamers previously elucidated gives two plausible, preliminary atomic models for the carboxysome shell.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tanaka, Shiho -- Kerfeld, Cheryl A -- Sawaya, Michael R -- Cai, Fei -- Heinhorst, Sabine -- Cannon, Gordon C -- Yeates, Todd O -- New York, N.Y. -- Science. 2008 Feb 22;319(5866):1083-6. doi: 10.1126/science.1151458.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, University of California at Los Angeles (UCLA), Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18292340" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/*chemistry/physiology ; Crystallography, X-Ray ; Cytoplasmic Structures/*chemistry/ultrastructure ; Models, Molecular ; Protein Conformation ; Protein Folding ; Protein Structure, Quaternary ; Synechocystis/*chemistry/ultrastructure
    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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  • 4
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    Structure and mechanisms of a protein-based organelle in Escherichia coli (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-01-02
    Description: Many bacterial cells contain proteinaceous microcompartments that act as simple organelles by sequestering specific metabolic processes involving volatile or toxic metabolites. Here we report the three-dimensional (3D) crystal structures, with resolutions between 1.65 and 2.5 angstroms, of the four homologous proteins (EutS, EutL, EutK, and EutM) that are thought to be the major shell constituents of a functionally complex ethanolamine utilization (Eut) microcompartment. The Eut microcompartment is used to sequester the metabolism of ethanolamine in bacteria such as Escherichia coli and Salmonella enterica. The four Eut shell proteins share an overall similar 3D fold, but they have distinguishing structural features that help explain the specific roles they play in the microcompartment. For example, EutL undergoes a conformational change that is probably involved in gating molecular transport through shell protein pores, whereas structural evidence suggests that EutK might bind a nucleic acid component. Together these structures give mechanistic insight into bacterial microcompartments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tanaka, Shiho -- Sawaya, Michael R -- Yeates, Todd O -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 Jan 1;327(5961):81-4. doi: 10.1126/science.1179513.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, University of California Los Angeles, 611 Charles Young Drive East, Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20044574" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Cell Compartmentation ; Crystallography, X-Ray ; Escherichia coli K12/*chemistry/*metabolism/ultrastructure ; Escherichia coli Proteins/*chemistry/metabolism ; Ethanolamine/*metabolism ; Metabolic Networks and Pathways ; Models, Molecular ; Molecular Sequence Data ; Polyproteins/*chemistry/metabolism ; Protein Conformation ; Protein Folding ; Protein Structure, Quaternary ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism
    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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