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  • Springer  (33)
  • Institute of Physics  (32)
  • American Association for the Advancement of Science (AAAS)  (5)
  • 2005-2009  (70)
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  • 1
    Publication Date: 2007-09-29
    Description: The CCR5 co-receptor binds to the HIV-1 gp120 envelope glycoprotein and facilitates HIV-1 entry into cells. Its N terminus is tyrosine-sulfated, as are many antibodies that react with the co-receptor binding site on gp120. We applied nuclear magnetic resonance and crystallographic techniques to analyze the structure of the CCR5 N terminus and that of the tyrosine-sulfated antibody 412d in complex with gp120 and CD4. The conformations of tyrosine-sulfated regions of CCR5 (alpha-helix) and 412d (extended loop) are surprisingly different. Nonetheless, a critical sulfotyrosine on CCR5 and on 412d induces similar structural rearrangements in gp120. These results now provide a framework for understanding HIV-1 interactions with the CCR5 N terminus during viral entry and define a conserved site on gp120, whose recognition of sulfotyrosine engenders posttranslational mimicry by the immune system.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2278242/" 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/PMC2278242/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Chih-Chin -- Lam, Son N -- Acharya, Priyamvada -- Tang, Min -- Xiang, Shi-Hua -- Hussan, Syed Shahzad-Ul -- Stanfield, Robyn L -- Robinson, James -- Sodroski, Joseph -- Wilson, Ian A -- Wyatt, Richard -- Bewley, Carole A -- Kwong, Peter D -- P30 AI060354/AI/NIAID NIH HHS/ -- U19 AI067854/AI/NIAID NIH HHS/ -- U19 AI067854-03/AI/NIAID NIH HHS/ -- Z99 AI999999/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2007 Sep 28;317(5846):1930-4.〈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/17901336" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, CD4/*chemistry/immunology ; Crystallography, X-Ray ; HIV Antibodies/*chemistry/immunology ; HIV Envelope Protein gp120/*chemistry/immunology/metabolism ; HIV-1/metabolism ; Humans ; Models, Molecular ; Molecular Mimicry ; Molecular Sequence Data ; Nuclear Magnetic Resonance, Biomolecular ; Peptide Fragments/chemistry/metabolism ; Receptors, CCR5/*chemistry/metabolism ; Sulfates/metabolism ; Tyrosine/metabolism ; Virus Internalization
    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
    Publication Date: 2007-02-10
    Description: A central issue in the regulation of apoptosis by the Bcl-2 family is whether its BH3-only members initiate apoptosis by directly binding to the essential cell-death mediators Bax and Bak, or whether they can act indirectly, by engaging their pro-survival Bcl-2-like relatives. Contrary to the direct-activation model, we show that Bax and Bak can mediate apoptosis without discernable association with the putative BH3-only activators (Bim, Bid, and Puma), even in cells with no Bim or Bid and reduced Puma. Our results indicate that BH3-only proteins induce apoptosis at least primarily by engaging the multiple pro-survival relatives guarding Bax and Bak.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willis, Simon N -- Fletcher, Jamie I -- Kaufmann, Thomas -- van Delft, Mark F -- Chen, Lin -- Czabotar, Peter E -- Ierino, Helen -- Lee, Erinna F -- Fairlie, W Douglas -- Bouillet, Philippe -- Strasser, Andreas -- Kluck, Ruth M -- Adams, Jerry M -- Huang, David C S -- CA43540/CA/NCI NIH HHS/ -- CA80188/CA/NCI NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2007 Feb 9;315(5813):856-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, Victoria 3050, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17289999" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Apoptosis Regulatory Proteins/chemistry/genetics/*metabolism ; BH3 Interacting Domain Death Agonist Protein/chemistry/genetics/*metabolism ; Cell Line ; Cells, Cultured ; Humans ; Ligands ; Membrane Proteins/chemistry/genetics/*metabolism ; Mice ; Mice, Knockout ; Models, Biological ; Mutation ; Myeloid Cell Leukemia Sequence 1 Protein ; Neoplasm Proteins/metabolism ; Protein Structure, Tertiary ; Proteins/metabolism ; Proto-Oncogene Proteins/chemistry/genetics/*metabolism ; Proto-Oncogene Proteins c-bcl-2/*metabolism ; Tumor Suppressor Proteins/genetics/metabolism ; bcl-2 Homologous Antagonist-Killer Protein/metabolism ; bcl-2-Associated X Protein/chemistry/*metabolism ; bcl-Associated Death Protein/metabolism ; bcl-X Protein/metabolism
    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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  • 3
    Publication Date: 2005-11-15
    Description: The third variable region (V3) of the HIV-1 gp120 envelope glycoprotein is immunodominant and contains features essential for coreceptor binding. We determined the structure of V3 in the context of an HIV-1 gp120 core complexed to the CD4 receptor and to the X5 antibody at 3.5 angstrom resolution. Binding of gp120 to cell-surface CD4 would position V3 so that its coreceptor-binding tip protrudes 30 angstroms from the core toward the target cell membrane. The extended nature and antibody accessibility of V3 explain its immunodominance. Together, the results provide a structural rationale for the role of V3 in HIV entry and neutralization.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2408531/" 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/PMC2408531/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Chih-chin -- Tang, Min -- Zhang, Mei-Yun -- Majeed, Shahzad -- Montabana, Elizabeth -- Stanfield, Robyn L -- Dimitrov, Dimiter S -- Korber, Bette -- Sodroski, Joseph -- Wilson, Ian A -- Wyatt, Richard -- Kwong, Peter D -- AI24755/AI/NIAID NIH HHS/ -- AI31783/AI/NIAID NIH HHS/ -- AI39429/AI/NIAID NIH HHS/ -- AI40895/AI/NIAID NIH HHS/ -- GM46192/GM/NIGMS NIH HHS/ -- Z99 AI999999/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2005 Nov 11;310(5750):1025-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16284180" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, CD4/chemistry/*metabolism ; Binding Sites ; Crystallization ; Crystallography, X-Ray ; HIV Antibodies/immunology ; HIV Envelope Protein gp120/*chemistry/immunology/metabolism ; HIV-1/*chemistry/immunology/metabolism ; Humans ; Hydrogen Bonding ; Immunodominant Epitopes ; Models, Molecular ; Molecular Sequence Data ; Peptide Fragments/*chemistry/immunology/metabolism ; Protein Binding ; Protein Conformation ; Protein Structure, Tertiary ; Receptors, CCR5/chemistry/metabolism ; Receptors, CXCR4/chemistry/metabolism
    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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  • 4
    Publication Date: 2005-01-18
    Description: Cryptococcus neoformans is a basidiomycetous yeast ubiquitous in the environment, a model for fungal pathogenesis, and an opportunistic human pathogen of global importance. We have sequenced its approximately 20-megabase genome, which contains approximately 6500 intron-rich gene structures and encodes a transcriptome abundant in alternatively spliced and antisense messages. The genome is rich in transposons, many of which cluster at candidate centromeric regions. The presence of these transposons may drive karyotype instability and phenotypic variation. C. neoformans encodes unique genes that may contribute to its unusual virulence properties, and comparison of two phenotypically distinct strains reveals variation in gene content in addition to sequence polymorphisms between the genomes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3520129/" 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/PMC3520129/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Loftus, Brendan J -- Fung, Eula -- Roncaglia, Paola -- Rowley, Don -- Amedeo, Paolo -- Bruno, Dan -- Vamathevan, Jessica -- Miranda, Molly -- Anderson, Iain J -- Fraser, James A -- Allen, Jonathan E -- Bosdet, Ian E -- Brent, Michael R -- Chiu, Readman -- Doering, Tamara L -- Donlin, Maureen J -- D'Souza, Cletus A -- Fox, Deborah S -- Grinberg, Viktoriya -- Fu, Jianmin -- Fukushima, Marilyn -- Haas, Brian J -- Huang, James C -- Janbon, Guilhem -- Jones, Steven J M -- Koo, Hean L -- Krzywinski, Martin I -- Kwon-Chung, June K -- Lengeler, Klaus B -- Maiti, Rama -- Marra, Marco A -- Marra, Robert E -- Mathewson, Carrie A -- Mitchell, Thomas G -- Pertea, Mihaela -- Riggs, Florenta R -- Salzberg, Steven L -- Schein, Jacqueline E -- Shvartsbeyn, Alla -- Shin, Heesun -- Shumway, Martin -- Specht, Charles A -- Suh, Bernard B -- Tenney, Aaron -- Utterback, Terry R -- Wickes, Brian L -- Wortman, Jennifer R -- Wye, Natasja H -- Kronstad, James W -- Lodge, Jennifer K -- Heitman, Joseph -- Davis, Ronald W -- Fraser, Claire M -- Hyman, Richard W -- AI47087/AI/NIAID NIH HHS/ -- AI48594/AI/NIAID NIH HHS/ -- R01 AI050184/AI/NIAID NIH HHS/ -- R01 AI050184-05/AI/NIAID NIH HHS/ -- R01 HL088905/HL/NHLBI NIH HHS/ -- R01 HL088905-04A2/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2005 Feb 25;307(5713):1321-4. Epub 2005 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Genomic Research, 9712 Medical Center Drive, Rockville, MD 20850, USA. bjloftus@tigr.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15653466" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Cell Wall/metabolism ; Chromosomes, Fungal/genetics ; Computational Biology ; Cryptococcus neoformans/*genetics/pathogenicity/physiology ; DNA Transposable Elements ; Fungal Proteins/metabolism ; Gene Library ; Genes, Fungal ; *Genome, Fungal ; Humans ; Introns ; Molecular Sequence Data ; Phenotype ; Polymorphism, Genetic ; Polymorphism, Single Nucleotide ; Polysaccharides/metabolism ; RNA, Antisense ; Sequence Analysis, DNA ; Transcription, Genetic ; Virulence ; Virulence Factors/metabolism
    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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  • 5
    Publication Date: 2005-01-18
    Description: Genetic studies have elucidated mechanisms that regulate aging, but there has been little progress in identifying drugs that delay aging. Here, we report that ethosuximide, trimethadione, and 3,3-diethyl-2-pyrrolidinone increase mean and maximum life-span of Caenorhabditis elegans and delay age-related declines of physiological processes, indicating that these compounds retard the aging process. These compounds, two of which are approved for human use, are anticonvulsants that modulate neural activity. These compounds also regulated neuromuscular activity in nematodes. These findings suggest that the life-span-extending activity of these compounds is related to the anticonvulsant activity and implicate neural activity in the regulation of aging.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Evason, Kimberley -- Huang, Cheng -- Yamben, Idella -- Covey, Douglas F -- Kornfeld, Kerry -- P50 AG05681/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2005 Jan 14;307(5707):258-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Pharmacology, Washington University School of Medicine, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15653505" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/*drug effects ; Aldicarb/pharmacology ; Animals ; Anticonvulsants/*pharmacology/therapeutic use ; Caenorhabditis elegans/*drug effects/genetics/growth & development/physiology ; Caenorhabditis elegans Proteins/genetics/physiology ; Disorders of Sex Development ; Dose-Response Relationship, Drug ; Drug Evaluation, Preclinical ; Epilepsy, Absence/drug therapy ; Ethosuximide/*pharmacology/therapeutic use ; Female ; Forkhead Transcription Factors ; Genes, Helminth ; Humans ; Lactams/*pharmacology ; Longevity/*drug effects ; Movement/drug effects ; Muscles/drug effects/innervation/physiology ; Mutation ; Neurons/drug effects/physiology ; Oviposition/drug effects ; Pharynx/drug effects/physiology ; Reproduction/drug effects ; Synaptic Transmission/drug effects ; Transcription Factors/genetics/physiology ; Trimethadione/*pharmacology/therapeutic use ; Vulva
    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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  • 6
    Publication Date: 2009-03-06
    Print ISSN: 0925-9864
    Electronic ISSN: 1573-5109
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Springer
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  • 7
    Publication Date: 2008-07-12
    Print ISSN: 1420-682X
    Electronic ISSN: 1420-9071
    Topics: Biology , Medicine
    Published by Springer
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  • 8
    Publication Date: 2006-06-28
    Print ISSN: 0009-5893
    Electronic ISSN: 1612-1112
    Topics: Chemistry and Pharmacology
    Published by Springer
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  • 9
  • 10
    Publication Date: 2008-04-16
    Print ISSN: 0946-2171
    Electronic ISSN: 1432-0649
    Topics: Physics
    Published by Springer
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