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  • 1
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    Architecture of RNA polymerase II and implications for the transcription mechanism (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-04-28
    Description: A backbone model of a 10-subunit yeast RNA polymerase II has been derived from x-ray diffraction data extending to 3 angstroms resolution. All 10 subunits exhibit a high degree of identity with the corresponding human proteins, and 9 of the 10 subunits are conserved among the three eukaryotic RNA polymerases I, II, and III. Notable features of the model include a pair of jaws, formed by subunits Rpb1, Rpb5, and Rpb9, that appear to grip DNA downstream of the active center. A clamp on the DNA nearer the active center, formed by Rpb1, Rpb2, and Rpb6, may be locked in the closed position by RNA, accounting for the great stability of transcribing complexes. A pore in the protein complex beneath the active center may allow entry of substrates for polymerization and exit of the transcript during proofreading and passage through pause sites in the DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cramer, P -- Bushnell, D A -- Fu, J -- Gnatt, A L -- Maier-Davis, B -- Thompson, N E -- Burgess, R R -- Edwards, A M -- David, P R -- Kornberg, R D -- GM49985/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2000 Apr 28;288(5466):640-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Structural Biology, Stanford University School of Medicine, Stanford, CA 94305-5126, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10784442" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Binding Sites ; Catalytic Domain ; Crystallization ; Crystallography, X-Ray ; DNA, Fungal/chemistry/metabolism ; Enzyme Stability ; Escherichia coli/enzymology ; Humans ; *Models, Molecular ; Protein Binding ; Protein Structure, Quaternary ; Protein Structure, Secondary ; RNA Polymerase II/*chemistry/genetics/metabolism ; RNA, Fungal/chemistry/metabolism ; RNA, Messenger/chemistry/metabolism ; Thermus/enzymology ; Transcription Factors/chemistry/metabolism ; *Transcription Factors, General ; *Transcription, Genetic ; *Transcriptional Elongation Factors
    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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    The structural basis of ZMPSTE24-dependent laminopathies (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-30
    Description: 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〉
    Keywords: 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
    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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    Too many roads not taken (2011)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2011-02-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Edwards, Aled M -- Isserlin, Ruth -- Bader, Gary D -- Frye, Stephen V -- Willson, Timothy M -- Yu, Frank H -- England -- Nature. 2011 Feb 10;470(7333):163-5. doi: 10.1038/470163a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Toronto, Toronto, Ontario M5G 1L7, Canada. aled.edwards@utoronto.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21307913" target="_blank"〉PubMed〈/a〉
    Keywords: *Bibliometrics ; Biomedical Research/*instrumentation/methods/*statistics & numerical data/trends ; Human Genome Project ; Humans ; Ion Channels ; Protein Kinases ; Receptors, Cytoplasmic and Nuclear
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 4
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    Publishing: Halt self-citation in impact measures (2014)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2014-01-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cameron, Elissa Z -- Edwards, Amy M -- White, Angela M -- England -- Nature. 2014 Jan 9;505(7482):160. doi: 10.1038/505160b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Tasmania, Hobart, Australia. ; US Department of Agriculture Forest Service, Davis, California, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24402270" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Humans ; *Internationality ; Male ; Research Personnel/*statistics & numerical data ; Sexism/*statistics & numerical data
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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