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  • Protein Structure, Tertiary  (101)
  • American Association for the Advancement of Science (AAAS)  (101)
  • American Meteorological Society
  • 2015-2019  (24)
  • 2010-2014  (77)
  • 1955-1959
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  • 1
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    ACTIN-DIRECTED TOXIN. ACD toxin-produced actin oligomers poison formin-controlled actin polymerization (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-08-01
    Description: The actin cross-linking domain (ACD) is an actin-specific toxin produced by several pathogens, including life-threatening spp. of Vibrio cholerae, Vibrio vulnificus, and Aeromonas hydrophila. Actin cross-linking by ACD is thought to lead to slow cytoskeleton failure owing to a gradual sequestration of actin in the form of nonfunctional oligomers. Here, we found that ACD converted cytoplasmic actin into highly toxic oligomers that potently "poisoned" the ability of major actin assembly proteins, formins, to sustain actin polymerization. Thus, ACD can target the most abundant cellular protein by using actin oligomers as secondary toxins to efficiently subvert cellular functions of actin while functioning at very low doses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4648357/" 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/PMC4648357/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heisler, David B -- Kudryashova, Elena -- Grinevich, Dmitry O -- Suarez, Cristian -- Winkelman, Jonathan D -- Birukov, Konstantin G -- Kotha, Sainath R -- Parinandi, Narasimham L -- Vavylonis, Dimitrios -- Kovar, David R -- Kudryashov, Dmitri S -- R01 GM079265/GM/NIGMS NIH HHS/ -- R01 GM098430/GM/NIGMS NIH HHS/ -- R01 GM114666/GM/NIGMS NIH HHS/ -- R01 HL076259/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2015 Jul 31;349(6247):535-9. doi: 10.1126/science.aab4090.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. The Ohio State Biochemistry Program, The Ohio State University, Columbus, OH 43210, USA. ; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. kudryashov.1@osu.edu kudryashova.1@osu.edu. ; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. ; Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA. ; Section of Pulmonary and Critical Care and Lung Injury Center, Department of Medicine, The University of Chicago, Chicago, IL 60637, USA. ; Lipid Signaling and Lipidomics Laboratory, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, OH 43210, USA. ; Department of Physics, Lehigh University, Bethlehem, PA 18015, USA. ; Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA. Department of Biochemistry and Molecular Biology, The University of Chicago, Chicago, IL 60637, USA. ; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. The Ohio State Biochemistry Program, The Ohio State University, Columbus, OH 43210, USA. kudryashov.1@osu.edu kudryashova.1@osu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26228148" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/*metabolism ; Animals ; Antigens, Bacterial/*chemistry/genetics/*toxicity ; Bacterial Toxins/*chemistry/genetics/*toxicity ; Cell Line ; Fetal Proteins/*antagonists & inhibitors ; Intestinal Mucosa/drug effects/metabolism ; Microfilament Proteins/*antagonists & inhibitors ; Nuclear Proteins/*antagonists & inhibitors ; Polymerization/drug effects ; Protein Structure, Tertiary ; Rats
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  • 2
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    Rational HIV immunogen design to target specific germline B cell receptors (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-30
    Description: Vaccine development to induce broadly neutralizing antibodies (bNAbs) against HIV-1 is a global health priority. Potent VRC01-class bNAbs against the CD4 binding site of HIV gp120 have been isolated from HIV-1-infected individuals; however, such bNAbs have not been induced by vaccination. Wild-type gp120 proteins lack detectable affinity for predicted germline precursors of VRC01-class bNAbs, making them poor immunogens to prime a VRC01-class response. We employed computation-guided, in vitro screening to engineer a germline-targeting gp120 outer domain immunogen that binds to multiple VRC01-class bNAbs and germline precursors, and elucidated germline binding crystallographically. When multimerized on nanoparticles, this immunogen (eOD-GT6) activates germline and mature VRC01-class B cells. Thus, eOD-GT6 nanoparticles have promise as a vaccine prime. In principle, germline-targeting strategies could be applied to other epitopes and pathogens.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3689846/" 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/PMC3689846/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jardine, Joseph -- Julien, Jean-Philippe -- Menis, Sergey -- Ota, Takayuki -- Kalyuzhniy, Oleksandr -- McGuire, Andrew -- Sok, Devin -- Huang, Po-Ssu -- MacPherson, Skye -- Jones, Meaghan -- Nieusma, Travis -- Mathison, John -- Baker, David -- Ward, Andrew B -- Burton, Dennis R -- Stamatatos, Leonidas -- Nemazee, David -- Wilson, Ian A -- Schief, William R -- 5T32AI007606-10/AI/NIAID NIH HHS/ -- AI081625/AI/NIAID NIH HHS/ -- AI33292/AI/NIAID NIH HHS/ -- AI84817/AI/NIAID NIH HHS/ -- P01 AI094419/AI/NIAID NIH HHS/ -- P30 AI027767-24/AI/NIAID NIH HHS/ -- P41RR001209/RR/NCRR NIH HHS/ -- R01 AI033292/AI/NIAID NIH HHS/ -- R01 AI073148/AI/NIAID NIH HHS/ -- R01 AI081625/AI/NIAID NIH HHS/ -- R01 AI084817/AI/NIAID NIH HHS/ -- R37 AI033292/AI/NIAID NIH HHS/ -- T32 CA080416/CA/NCI NIH HHS/ -- T32CA080416/CA/NCI NIH HHS/ -- UM1 AI100663/AI/NIAID NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2013 May 10;340(6133):711-6. doi: 10.1126/science.1234150. Epub 2013 Mar 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23539181" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/chemistry/genetics/*immunology ; Amino Acid Sequence ; Animals ; Antibodies, Neutralizing/immunology ; Antigens, CD4/immunology ; B-Lymphocytes/immunology ; Crystallography, X-Ray ; DNA Mutational Analysis ; Germ Cells/*immunology ; HIV Envelope Protein gp120/chemistry/genetics/*immunology ; HIV Infections/*prevention & control ; HIV-1/*immunology ; Humans ; Macaca ; Mice ; Models, Animal ; Molecular Sequence Data ; Nanoparticles ; Protein Engineering ; Protein Structure, Tertiary ; Receptors, Antigen, B-Cell/*immunology
    Print ISSN: 0036-8075
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  • 3
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    SIGNAL TRANSDUCTION. Structural basis for nucleotide exchange in heterotrimeric G proteins (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-06-20
    Description: G protein-coupled receptors (GPCRs) relay diverse extracellular signals into cells by catalyzing nucleotide release from heterotrimeric G proteins, but the mechanism underlying this quintessential molecular signaling event has remained unclear. Here we use atomic-level simulations to elucidate the nucleotide-release mechanism. We find that the G protein alpha subunit Ras and helical domains-previously observed to separate widely upon receptor binding to expose the nucleotide-binding site-separate spontaneously and frequently even in the absence of a receptor. Domain separation is necessary but not sufficient for rapid nucleotide release. Rather, receptors catalyze nucleotide release by favoring an internal structural rearrangement of the Ras domain that weakens its nucleotide affinity. We use double electron-electron resonance spectroscopy and protein engineering to confirm predictions of our computationally determined mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dror, Ron O -- Mildorf, Thomas J -- Hilger, Daniel -- Manglik, Aashish -- Borhani, David W -- Arlow, Daniel H -- Philippsen, Ansgar -- Villanueva, Nicolas -- Yang, Zhongyu -- Lerch, Michael T -- Hubbell, Wayne L -- Kobilka, Brian K -- Sunahara, Roger K -- Shaw, David E -- P30EY00331/EY/NEI NIH HHS/ -- R01EY05216/EY/NEI NIH HHS/ -- R01GM083118/GM/NIGMS NIH HHS/ -- T32 GM008294/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1361-5. doi: 10.1126/science.aaa5264.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉D. E. Shaw Research, New York, NY 10036, USA. ron.dror@deshawresearch.com david.shaw@deshawresearch.com. ; D. E. Shaw Research, New York, NY 10036, USA. ; Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI 48109, USA. ; Jules Stein Eye Institute and Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA. ; D. E. Shaw Research, New York, NY 10036, USA. Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY 10032, USA. ron.dror@deshawresearch.com david.shaw@deshawresearch.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089515" target="_blank"〉PubMed〈/a〉
    Keywords: GTP-Binding Protein alpha Subunits, Gi-Go/*chemistry ; GTP-Binding Protein alpha Subunits, Gs/*chemistry ; Guanine Nucleotide Exchange Factors/*chemistry ; Humans ; Models, Chemical ; Molecular Dynamics Simulation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Receptors, G-Protein-Coupled/*chemistry ; Signal Transduction
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  • 4
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    Drug resistance. K13-propeller mutations confer artemisinin resistance in Plasmodium falciparum clinical isolates (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-12-17
    Description: The emergence of artemisinin resistance in Southeast Asia imperils efforts to reduce the global malaria burden. We genetically modified the Plasmodium falciparum K13 locus using zinc-finger nucleases and measured ring-stage survival rates after drug exposure in vitro; these rates correlate with parasite clearance half-lives in artemisinin-treated patients. With isolates from Cambodia, where resistance first emerged, survival rates decreased from 13 to 49% to 0.3 to 2.4% after the removal of K13 mutations. Conversely, survival rates in wild-type parasites increased from 〈/=0.6% to 2 to 29% after the insertion of K13 mutations. These mutations conferred elevated resistance to recent Cambodian isolates compared with that of reference lines, suggesting a contemporary contribution of additional genetic factors. Our data provide a conclusive rationale for worldwide K13-propeller sequencing to identify and eliminate artemisinin-resistant parasites.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4349400/" 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/PMC4349400/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Straimer, Judith -- Gnadig, Nina F -- Witkowski, Benoit -- Amaratunga, Chanaki -- Duru, Valentine -- Ramadani, Arba Pramundita -- Dacheux, Melanie -- Khim, Nimol -- Zhang, Lei -- Lam, Stephen -- Gregory, Philip D -- Urnov, Fyodor D -- Mercereau-Puijalon, Odile -- Benoit-Vical, Francoise -- Fairhurst, Rick M -- Menard, Didier -- Fidock, David A -- R01 AI109023/AI/NIAID NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2015 Jan 23;347(6220):428-31. doi: 10.1126/science.1260867. Epub 2014 Dec 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Columbia University College of Physicians and Surgeons, New York, NY, USA. ; Malaria Molecular Epidemiology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia. ; Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA. ; Centre National de la Recherche Scientifique (CNRS), Laboratoire de Chimie de Coordination UPR8241, Toulouse, France. Universite de Toulouse, UPS, Institut National Polytechnique de Toulouse, Toulouse, France. ; Sangamo BioSciences, Richmond, CA, USA. ; Institut Pasteur, Parasite Molecular Immunology Unit, Paris, France. ; Department of Microbiology and Immunology, Columbia University College of Physicians and Surgeons, New York, NY, USA. Division of Infectious Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, NY, USA. df2260@columbia.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25502314" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antimalarials/*pharmacology ; Artemisinins/*pharmacology ; Cambodia ; Drug Resistance/*genetics ; Genetic Loci ; Humans ; Malaria, Falciparum/drug therapy/parasitology ; Molecular Sequence Data ; Mutation ; Plasmodium falciparum/*drug effects/*genetics ; Protein Structure, Tertiary ; Protozoan Proteins/chemistry/*genetics
    Print ISSN: 0036-8075
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  • 5
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    Initiation complex structure and promoter proofreading (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-07-30
    Description: The initiation of transcription by RNA polymerase II is a multistage process. X-ray crystal structures of transcription complexes containing short RNAs reveal three structural states: one with 2- and 3-nucleotide RNAs, in which only the 3'-end of the RNA is detectable; a second state with 4- and 5-nucleotide RNAs, with an RNA-DNA hybrid in a grossly distorted conformation; and a third state with RNAs of 6 nucleotides and longer, essentially the same as a stable elongating complex. The transition from the first to the second state correlates with a markedly reduced frequency of abortive initiation. The transition from the second to the third state correlates with partial "bubble collapse" and promoter escape. Polymerase structure is permissive for abortive initiation, thereby setting a lower limit on polymerase-promoter complex lifetime and allowing the dissociation of nonspecific complexes. Abortive initiation may be viewed as promoter proofreading, and the structural transitions as checkpoints for promoter control.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3179255/" 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/PMC3179255/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Xin -- Bushnell, David A -- Silva, Daniel-Adriano -- Huang, Xuhui -- Kornberg, Roger D -- AI21144/AI/NIAID NIH HHS/ -- GM049985/GM/NIGMS NIH HHS/ -- R01 AI021144/AI/NIAID NIH HHS/ -- R01 AI021144-27/AI/NIAID NIH HHS/ -- R01 GM036659/GM/NIGMS NIH HHS/ -- R01 GM049985/GM/NIGMS NIH HHS/ -- R01 GM049985-19/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Jul 29;333(6042):633-7. doi: 10.1126/science.1206629.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Structural Biology, Stanford University School of Medicine, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21798951" target="_blank"〉PubMed〈/a〉
    Keywords: Crystallization ; Crystallography, X-Ray ; Models, Molecular ; Molecular Dynamics Simulation ; Nucleic Acid Conformation ; Oligodeoxyribonucleotides/chemistry/metabolism ; Oligoribonucleotides/chemistry/metabolism ; *Promoter Regions, Genetic ; Protein Conformation ; Protein Structure, Tertiary ; RNA Polymerase II/*chemistry/metabolism ; Saccharomyces cerevisiae/genetics ; Saccharomyces cerevisiae Proteins/*chemistry/metabolism ; Templates, Genetic ; Transcription Factor TFIIB/chemistry/metabolism ; Transcription Initiation Site ; *Transcription, Genetic
    Print ISSN: 0036-8075
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  • 6
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    The C-terminal domain of RNA polymerase II is modified by site-specific methylation (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-04-02
    Description: The carboxy-terminal domain (CTD) of RNA polymerase II (RNAPII) in mammals undergoes extensive posttranslational modification, which is essential for transcriptional initiation and elongation. Here, we show that the CTD of RNAPII is methylated at a single arginine (R1810) by the coactivator-associated arginine methyltransferase 1 (CARM1). Although methylation at R1810 is present on the hyperphosphorylated form of RNAPII in vivo, Ser2 or Ser5 phosphorylation inhibits CARM1 activity toward this site in vitro, suggesting that methylation occurs before transcription initiation. Mutation of R1810 results in the misexpression of a variety of small nuclear RNAs and small nucleolar RNAs, an effect that is also observed in Carm1(-/-) mouse embryo fibroblasts. These results demonstrate that CTD methylation facilitates the expression of select RNAs, perhaps serving to discriminate the RNAPII-associated machinery recruited to distinct gene types.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3773223/" 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/PMC3773223/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sims, Robert J 3rd -- Rojas, Luis Alejandro -- Beck, David -- Bonasio, Roberto -- Schuller, Roland -- Drury, William J 3rd -- Eick, Dirk -- Reinberg, Danny -- F32 GM071166/GM/NIGMS NIH HHS/ -- GM-37120/GM/NIGMS NIH HHS/ -- GM-71166/GM/NIGMS NIH HHS/ -- R01 GM037120/GM/NIGMS NIH HHS/ -- R37 GM037120/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Apr 1;332(6025):99-103. doi: 10.1126/science.1202663.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute (HHMI), Department of Biochemistry, New York University School of Medicine, 522 First Avenue, Smilow 211, New York, NY 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21454787" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arginine/metabolism ; Cell Line ; HeLa Cells ; Humans ; Methylation ; Mice ; Mutation ; Protein Interaction Domains and Motifs ; Protein Structure, Tertiary ; Protein-Arginine N-Methyltransferases/metabolism ; RNA Polymerase II/genetics/*metabolism ; RNA, Small Nuclear/metabolism ; RNA, Small Nucleolar/metabolism ; Recombinant Proteins
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  • 7
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    Transforming fusions of FGFR and TACC genes in human glioblastoma (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-07-28
    Description: The brain tumor glioblastoma multiforme (GBM) is among the most lethal forms of human cancer. Here, we report that a small subset of GBMs (3.1%; 3 of 97 tumors examined) harbors oncogenic chromosomal translocations that fuse in-frame the tyrosine kinase coding domains of fibroblast growth factor receptor (FGFR) genes (FGFR1 or FGFR3) to the transforming acidic coiled-coil (TACC) coding domains of TACC1 or TACC3, respectively. The FGFR-TACC fusion protein displays oncogenic activity when introduced into astrocytes or stereotactically transduced in the mouse brain. The fusion protein, which localizes to mitotic spindle poles, has constitutive kinase activity and induces mitotic and chromosomal segregation defects and triggers aneuploidy. Inhibition of FGFR kinase corrects the aneuploidy, and oral administration of an FGFR inhibitor prolongs survival of mice harboring intracranial FGFR3-TACC3-initiated glioma. FGFR-TACC fusions could potentially identify a subset of GBM patients who would benefit from targeted FGFR kinase inhibition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3677224/" 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/PMC3677224/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Singh, Devendra -- Chan, Joseph Minhow -- Zoppoli, Pietro -- Niola, Francesco -- Sullivan, Ryan -- Castano, Angelica -- Liu, Eric Minwei -- Reichel, Jonathan -- Porrati, Paola -- Pellegatta, Serena -- Qiu, Kunlong -- Gao, Zhibo -- Ceccarelli, Michele -- Riccardi, Riccardo -- Brat, Daniel J -- Guha, Abhijit -- Aldape, Ken -- Golfinos, John G -- Zagzag, David -- Mikkelsen, Tom -- Finocchiaro, Gaetano -- Lasorella, Anna -- Rabadan, Raul -- Iavarone, Antonio -- 1R01LM010140-01/LM/NLM NIH HHS/ -- R01 CA085628/CA/NCI NIH HHS/ -- R01 CA101644/CA/NCI NIH HHS/ -- R01 CA127643/CA/NCI NIH HHS/ -- R01 CA131126/CA/NCI NIH HHS/ -- R01 LM010140/LM/NLM NIH HHS/ -- R01 NS061776/NS/NINDS NIH HHS/ -- R01CA085628/CA/NCI NIH HHS/ -- R01CA101644/CA/NCI NIH HHS/ -- R01CA127643/CA/NCI NIH HHS/ -- R01CA131126/CA/NCI NIH HHS/ -- R01NS061776/NS/NINDS NIH HHS/ -- U54 CA121852/CA/NCI NIH HHS/ -- U54 CA121852-05/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2012 Sep 7;337(6099):1231-5. doi: 10.1126/science.1220834. Epub 2012 Jul 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Cancer Genetics, Columbia University Medical Center, New York, NY, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22837387" target="_blank"〉PubMed〈/a〉
    Keywords: Aneuploidy ; Animals ; Antineoplastic Agents/pharmacology ; Benzamides/pharmacology ; Brain Neoplasms/genetics/metabolism ; *Cell Transformation, Neoplastic ; Chromosomal Instability ; Enzyme Inhibitors/pharmacology ; Fetal Proteins/chemistry/*genetics/metabolism ; Glioblastoma/*genetics/metabolism ; Humans ; Mice ; Microtubule-Associated Proteins/chemistry/*genetics/metabolism ; Mitosis ; Neoplasm Transplantation ; Nuclear Proteins/chemistry/*genetics/metabolism ; Oncogene Fusion ; Oncogene Proteins, Fusion/chemistry/genetics/*metabolism ; Piperazines/pharmacology ; Protein Structure, Tertiary ; Pyrazoles/pharmacology ; Pyrimidines/pharmacology ; Receptor, Fibroblast Growth Factor, Type 1/antagonists & ; inhibitors/chemistry/*genetics/metabolism ; Receptor, Fibroblast Growth Factor, Type 3/antagonists & ; inhibitors/chemistry/*genetics/metabolism ; Spindle Apparatus/metabolism ; Translocation, Genetic ; Xenograft Model Antitumor Assays
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  • 8
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    Synchronizing nuclear import of ribosomal proteins with ribosome assembly (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-11-03
    Description: Ribosomal proteins are synthesized in the cytoplasm, before nuclear import and assembly with ribosomal RNA (rRNA). Little is known about coordination of nucleocytoplasmic transport with ribosome assembly. Here, we identify a transport adaptor, symportin 1 (Syo1), that facilitates synchronized coimport of the two 5S-rRNA binding proteins Rpl5 and Rpl11. In vitro studies revealed that Syo1 concomitantly binds Rpl5-Rpl11 and furthermore recruits the import receptor Kap104. The Syo1-Rpl5-Rpl11 import complex is released from Kap104 by RanGTP and can be directly transferred onto the 5S rRNA. Syo1 can shuttle back to the cytoplasm by interaction with phenylalanine-glycine nucleoporins. X-ray crystallography uncovered how the alpha-solenoid symportin accommodates the Rpl5 amino terminus, normally bound to 5S rRNA, in an extended groove. Symportin-mediated coimport of Rpl5-Rpl11 could ensure coordinated and stoichiometric incorporation of these proteins into pre-60S ribosomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kressler, Dieter -- Bange, Gert -- Ogawa, Yutaka -- Stjepanovic, Goran -- Bradatsch, Bettina -- Pratte, Dagmar -- Amlacher, Stefan -- Strauss, Daniela -- Yoneda, Yoshihiro -- Katahira, Jun -- Sinning, Irmgard -- Hurt, Ed -- New York, N.Y. -- Science. 2012 Nov 2;338(6107):666-71. doi: 10.1126/science.1226960.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biochemie-Zentrum der Universitat Heidelberg, Im Neuenheimer Feld 328, Heidelberg D-69120, Germany. dieter.kressler@unifr.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23118189" target="_blank"〉PubMed〈/a〉
    Keywords: *Active Transport, Cell Nucleus ; Amino Acid Sequence ; Base Sequence ; Cell Nucleus/*metabolism ; Chaetomium/metabolism ; Crystallography, X-Ray ; Fungal Proteins/chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Protein Binding ; Protein Conformation ; Protein Multimerization ; Protein Structure, Tertiary ; RNA, Fungal/metabolism ; RNA, Ribosomal, 5S/metabolism ; RNA-Binding Proteins/chemistry/*metabolism ; Ribosomal Proteins/chemistry/*metabolism ; Ribosomes/*metabolism ; Saccharomyces cerevisiae/*metabolism ; Saccharomyces cerevisiae Proteins/chemistry/*metabolism ; beta Karyopherins/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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  • 9
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    EMRE is an essential component of the mitochondrial calcium uniporter complex (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-11-16
    Description: The mitochondrial uniporter is a highly selective calcium channel in the organelle's inner membrane. Its molecular components include the EF-hand-containing calcium-binding proteins mitochondrial calcium uptake 1 (MICU1) and MICU2 and the pore-forming subunit mitochondrial calcium uniporter (MCU). We sought to achieve a full molecular characterization of the uniporter holocomplex (uniplex). Quantitative mass spectrometry of affinity-purified uniplex recovered MICU1 and MICU2, MCU and its paralog MCUb, and essential MCU regulator (EMRE), a previously uncharacterized protein. EMRE is a 10-kilodalton, metazoan-specific protein with a single transmembrane domain. In its absence, uniporter channel activity was lost despite intact MCU expression and oligomerization. EMRE was required for the interaction of MCU with MICU1 and MICU2. Hence, EMRE is essential for in vivo uniporter current and additionally bridges the calcium-sensing role of MICU1 and MICU2 with the calcium-conducting role of MCU.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4091629/" 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/PMC4091629/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sancak, Yasemin -- Markhard, Andrew L -- Kitami, Toshimori -- Kovacs-Bogdan, Erika -- Kamer, Kimberli J -- Udeshi, Namrata D -- Carr, Steven A -- Chaudhuri, Dipayan -- Clapham, David E -- Li, Andrew A -- Calvo, Sarah E -- Goldberger, Olga -- Mootha, Vamsi K -- DK080261/DK/NIDDK NIH HHS/ -- F32 HL107021/HL/NHLBI NIH HHS/ -- F32HL107021/HL/NHLBI NIH HHS/ -- P30 HD018655/HD/NICHD NIH HHS/ -- R24 DK080261/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Dec 13;342(6164):1379-82. doi: 10.1126/science.1242993. Epub 2013 Nov 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Department of Systems Biology, Harvard Medical School, Boston, MA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24231807" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Calcium Channels/chemistry/genetics/*metabolism ; Calcium-Binding Proteins/genetics/*metabolism ; Cation Transport Proteins/genetics/*metabolism ; Cell Membrane/*metabolism ; EF Hand Motifs ; Gene Knockdown Techniques ; HEK293 Cells ; Humans ; Mitochondria/*metabolism ; Mitochondrial Membrane Transport Proteins/genetics/*metabolism ; Molecular Sequence Data ; Phylogeny ; Protein Structure, Tertiary ; Proteomics
    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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  • 10
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    Structural basis for assembly and function of a heterodimeric plant immune receptor (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-04-20
    Description: Cytoplasmic plant immune receptors recognize specific pathogen effector proteins and initiate effector-triggered immunity. In Arabidopsis, the immune receptors RPS4 and RRS1 are both required to activate defense to three different pathogens. We show that RPS4 and RRS1 physically associate. Crystal structures of the N-terminal Toll-interleukin-1 receptor/resistance (TIR) domains of RPS4 and RRS1, individually and as a heterodimeric complex (respectively at 2.05, 1.75, and 2.65 angstrom resolution), reveal a conserved TIR/TIR interaction interface. We show that TIR domain heterodimerization is required to form a functional RRS1/RPS4 effector recognition complex. The RPS4 TIR domain activates effector-independent defense, which is inhibited by the RRS1 TIR domain through the heterodimerization interface. Thus, RPS4 and RRS1 function as a receptor complex in which the two components play distinct roles in recognition and signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Williams, Simon J -- Sohn, Kee Hoon -- Wan, Li -- Bernoux, Maud -- Sarris, Panagiotis F -- Segonzac, Cecile -- Ve, Thomas -- Ma, Yan -- Saucet, Simon B -- Ericsson, Daniel J -- Casey, Lachlan W -- Lonhienne, Thierry -- Winzor, Donald J -- Zhang, Xiaoxiao -- Coerdt, Anne -- Parker, Jane E -- Dodds, Peter N -- Kobe, Bostjan -- Jones, Jonathan D G -- New York, N.Y. -- Science. 2014 Apr 18;344(6181):299-303. doi: 10.1126/science.1247357.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Chemistry and Molecular Biosciences and Australian Infectious Diseases Research Centre, University of Queensland, Brisbane, QLD 4072, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24744375" target="_blank"〉PubMed〈/a〉
    Keywords: Agrobacterium/physiology ; Amino Acid Motifs ; Arabidopsis/chemistry/*immunology/microbiology ; Arabidopsis Proteins/*chemistry/genetics/metabolism ; Bacterial Proteins/immunology/metabolism ; Cell Death ; Crystallography, X-Ray ; Immunity, Innate ; Models, Molecular ; Mutation ; Plant Diseases/immunology/microbiology ; Plant Leaves/microbiology ; Plant Proteins/*chemistry/genetics/metabolism ; Plants, Genetically Modified ; Protein Interaction Domains and Motifs ; Protein Multimerization ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Receptors, Immunologic/*chemistry/genetics/metabolism ; Signal Transduction ; Tobacco/genetics/immunology/metabolism/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)
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