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  • Animals  (3)
  • Protein Structure, Tertiary  (3)
  • *Computational Biology  (1)
  • *Genetic Predisposition to Disease  (1)
  • 2010-2014  (4)
  • 2000-2004  (2)
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  • 1
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    Global efforts in structural genomics (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-10-06
    Description: A worldwide initiative in structural genomics aims to capitalize on the recent successes of the genome projects. Substantial new investments in structural genomics in the past 2 years indicate the high level of support for these international efforts. Already, enormous progress has been made on high-throughput methodologies and technologies that will speed up macromolecular structure determinations. Recent international meetings have resulted in the formation of an International Structural Genomics Organization to formulate policy and foster cooperation between the public and private efforts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stevens, R C -- Yokoyama, S -- Wilson, I A -- P50 GM62411/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2001 Oct 5;294(5540):89-92.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Joint Center for Structural Genomics, Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11588249" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Computational Biology ; Congresses as Topic ; Costs and Cost Analysis ; Crystallography, X-Ray ; Databases, Factual ; *Genomics ; Guidelines as Topic ; Humans ; Information Management ; Information Services ; International Cooperation ; Internet ; Nuclear Magnetic Resonance, Biomolecular ; Patents as Topic ; Private Sector ; *Protein Conformation ; Protein Folding ; Proteins/*chemistry ; *Proteome ; Public Sector ; Publishing ; Technology Transfer
    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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    Role of the ENTH domain in phosphatidylinositol-4,5-bisphosphate binding and endocytosis (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-13
    Description: Endocytic proteins such as epsin, AP180, and Hip1R (Sla2p) share a conserved modular region termed the epsin NH2-terminal homology (ENTH) domain, which plays a crucial role in clathrin-mediated endocytosis through an unknown target. Here, we demonstrate a strong affinity of the ENTH domain for phosphatidylinositol-4,5-bisphosphate [PtdIns(4,5)P2]. With nuclear magnetic resonance analysis of the epsin ENTH domain, we determined that a cleft formed with positively charged residues contributed to phosphoinositide binding. Overexpression of a mutant, epsin Lys76 --〉 Ala76, with an ENTH domain defective in phosphoinositide binding, blocked epidermal growth factor internalization in COS-7 cells. Thus, interaction between the ENTH domain and PtdIns(4,5)P2 is essential for endocytosis mediated by clathrin-coated pits.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Itoh, T -- Koshiba, S -- Kigawa, T -- Kikuchi, A -- Yokoyama, S -- Takenawa, T -- New York, N.Y. -- Science. 2001 Feb 9;291(5506):1047-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Institute of Medical Science, University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11161217" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Vesicular Transport ; Amino Acid Motifs ; Amino Acid Substitution ; Animals ; COS Cells ; Carrier Proteins/*chemistry/*metabolism ; Cercopithecus aethiops ; Clathrin/metabolism ; Coated Pits, Cell-Membrane/metabolism ; DNA-Binding Proteins/metabolism ; *Endocytosis ; Epidermal Growth Factor/metabolism ; Inositol Phosphates/metabolism ; Liposomes/metabolism ; Models, Molecular ; Neuropeptides/*chemistry/*metabolism ; Nuclear Magnetic Resonance, Biomolecular ; Phosphatidylinositol 4,5-Diphosphate/*metabolism ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Recombinant Fusion Proteins/chemistry/metabolism ; Transcription Factors/metabolism ; *Vesicular Transport Proteins ; Zinc Fingers
    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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    Decameric SelA*tRNA(Sec) ring structure reveals mechanism of bacterial selenocysteine formation (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-06
    Description: The 21st amino acid, selenocysteine (Sec), is synthesized on its cognate transfer RNA (tRNA(Sec)). In bacteria, SelA synthesizes Sec from Ser-tRNA(Sec), whereas in archaea and eukaryotes SepSecS forms Sec from phosphoserine (Sep) acylated to tRNA(Sec). We determined the crystal structures of Aquifex aeolicus SelA complexes, which revealed a ring-shaped homodecamer that binds 10 tRNA(Sec) molecules, each interacting with four SelA subunits. The SelA N-terminal domain binds the tRNA(Sec)-specific D-arm structure, thereby discriminating Ser-tRNA(Sec) from Ser-tRNA(Ser). A large cleft is created between two subunits and accommodates the 3'-terminal region of Ser-tRNA(Sec). The SelA structures together with in vivo and in vitro enzyme assays show decamerization to be essential for SelA function. SelA catalyzes pyridoxal 5'-phosphate-dependent Sec formation involving Arg residues nonhomologous to those in SepSecS. Different protein architecture and substrate coordination of the bacterial enzyme provide structural evidence for independent evolution of the two Sec synthesis systems present in nature.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3976565/" 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/PMC3976565/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Itoh, Yuzuru -- Brocker, Markus J -- Sekine, Shun-ichi -- Hammond, Gifty -- Suetsugu, Shiro -- Soll, Dieter -- Yokoyama, Shigeyuki -- GM22854/GM/NIGMS NIH HHS/ -- R01 GM022854/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Apr 5;340(6128):75-8. doi: 10.1126/science.1229521.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉RIKEN Systems and Structural Biology Center, Tsurumi, Yokohama 230-0045, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23559248" target="_blank"〉PubMed〈/a〉
    Keywords: Arginine/chemistry ; Bacteria/*enzymology ; Bacterial Proteins/*chemistry ; Catalysis ; Catalytic Domain ; Crystallography, X-Ray ; Protein Multimerization ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Pyridoxal Phosphate/chemistry ; RNA, Transfer, Amino Acyl/*chemistry ; Selenocysteine/*biosynthesis ; Transferases/*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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  • 4
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    Rotation mechanism of Enterococcus hirae V1-ATPase based on asymmetric crystal structures (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-01-22
    Description: In various cellular membrane systems, vacuolar ATPases (V-ATPases) function as proton pumps, which are involved in many processes such as bone resorption and cancer metastasis, and these membrane proteins represent attractive drug targets for osteoporosis and cancer. The hydrophilic V(1) portion is known as a rotary motor, in which a central axis DF complex rotates inside a hexagonally arranged catalytic A(3)B(3) complex using ATP hydrolysis energy, but the molecular mechanism is not well defined owing to a lack of high-resolution structural information. We previously reported on the in vitro expression, purification and reconstitution of Enterococcus hirae V(1)-ATPase from the A(3)B(3) and DF complexes. Here we report the asymmetric structures of the nucleotide-free (2.8 A) and nucleotide-bound (3.4 A) A(3)B(3) complex that demonstrate conformational changes induced by nucleotide binding, suggesting a binding order in the right-handed rotational orientation in a cooperative manner. The crystal structures of the nucleotide-free (2.2 A) and nucleotide-bound (2.7 A) V(1)-ATPase are also reported. The more tightly packed nucleotide-binding site seems to be induced by DF binding, and ATP hydrolysis seems to be stimulated by the approach of a conserved arginine residue. To our knowledge, these asymmetric structures represent the first high-resolution view of the rotational mechanism of V(1)-ATPase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arai, Satoshi -- Saijo, Shinya -- Suzuki, Kano -- Mizutani, Kenji -- Kakinuma, Yoshimi -- Ishizuka-Katsura, Yoshiko -- Ohsawa, Noboru -- Terada, Takaho -- Shirouzu, Mikako -- Yokoyama, Shigeyuki -- Iwata, So -- Yamato, Ichiro -- Murata, Takeshi -- England -- Nature. 2013 Jan 31;493(7434):703-7. doi: 10.1038/nature11778. Epub 2013 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi-cho, Inage, Chiba 263-8522, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23334411" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Crystallization ; Enterococcus/*enzymology/genetics ; *Models, Molecular ; Mutation ; Nucleotides/metabolism ; Protein Binding ; Protein Structure, Tertiary ; Protein Subunits ; Rotation ; Vacuolar Proton-Translocating ATPases/*chemistry/genetics
    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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  • 5
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    A small-molecule AdipoR agonist for type 2 diabetes and short life in obesity (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-11-01
    Description: Adiponectin secreted from adipocytes binds to adiponectin receptors AdipoR1 and AdipoR2, and exerts antidiabetic effects via activation of AMPK and PPAR-alpha pathways, respectively. Levels of adiponectin in plasma are reduced in obesity, which causes insulin resistance and type 2 diabetes. Thus, orally active small molecules that bind to and activate AdipoR1 and AdipoR2 could ameliorate obesity-related diseases such as type 2 diabetes. Here we report the identification of orally active synthetic small-molecule AdipoR agonists. One of these compounds, AdipoR agonist (AdipoRon), bound to both AdipoR1 and AdipoR2 in vitro. AdipoRon showed very similar effects to adiponectin in muscle and liver, such as activation of AMPK and PPAR-alpha pathways, and ameliorated insulin resistance and glucose intolerance in mice fed a high-fat diet, which was completely obliterated in AdipoR1 and AdipoR2 double-knockout mice. Moreover, AdipoRon ameliorated diabetes of genetically obese rodent model db/db mice, and prolonged the shortened lifespan of db/db mice on a high-fat diet. Thus, orally active AdipoR agonists such as AdipoRon are a promising therapeutic approach for the treatment of obesity-related diseases such as type 2 diabetes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okada-Iwabu, Miki -- Yamauchi, Toshimasa -- Iwabu, Masato -- Honma, Teruki -- Hamagami, Ken-ichi -- Matsuda, Koichi -- Yamaguchi, Mamiko -- Tanabe, Hiroaki -- Kimura-Someya, Tomomi -- Shirouzu, Mikako -- Ogata, Hitomi -- Tokuyama, Kumpei -- Ueki, Kohjiro -- Nagano, Tetsuo -- Tanaka, Akiko -- Yokoyama, Shigeyuki -- Kadowaki, Takashi -- England -- Nature. 2013 Nov 28;503(7477):493-9. doi: 10.1038/nature12656. Epub 2013 Oct 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan [2] Department of Integrated Molecular Science on Metabolic Diseases, 22nd Century Medical and Research Center, The University of Tokyo, Tokyo 113-0033, Japan [3] Department of Molecular Medicinal Sciences on Metabolic Regulation, 22nd Century Medical and Research Center, The University of Tokyo, Tokyo 113-0033, Japan [4].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24172895" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylate Kinase/metabolism ; Adiponectin/metabolism/pharmacology ; Adipose Tissue, White/drug effects/metabolism/pathology ; Administration, Oral ; Animals ; Diabetes Mellitus, Type 2/complications/*drug therapy/metabolism/prevention & ; control ; Diet, High-Fat ; Drug Evaluation, Preclinical ; Dyslipidemias/drug therapy ; Enzyme Activation/drug effects ; Glucose Intolerance/drug therapy ; Inflammation/drug therapy ; Insulin Resistance ; Liver/drug effects/metabolism/pathology ; Longevity/*drug effects ; Mice ; Mitochondria/drug effects/metabolism ; Muscle Fibers, Skeletal/cytology/drug effects ; Muscles/cytology ; Obesity/complications/drug therapy/genetics/*physiopathology ; Oxidative Stress/drug effects ; PPAR alpha/metabolism ; Piperidines/administration & dosage/metabolism/*pharmacology/therapeutic use ; Receptors, Adiponectin/*agonists/deficiency/genetics/metabolism ; Signal Transduction/drug effects ; Small Molecule Libraries/chemistry ; Transcription Factors/biosynthesis ; Triglycerides/metabolism
    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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  • 6
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    A novel recurrent mutation in MITF predisposes to familial and sporadic melanoma (2011)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2011-11-15
    Description: So far, two genes associated with familial melanoma have been identified, accounting for a minority of genetic risk in families. Mutations in CDKN2A account for approximately 40% of familial cases, and predisposing mutations in CDK4 have been reported in a very small number of melanoma kindreds. Here we report the whole-genome sequencing of probands from several melanoma families, which we performed in order to identify other genes associated with familial melanoma. We identify one individual carrying a novel germline variant (coding DNA sequence c.G1075A; protein sequence p.E318K; rs149617956) in the melanoma-lineage-specific oncogene microphthalmia-associated transcription factor (MITF). Although the variant co-segregated with melanoma in some but not all cases in the family, linkage analysis of 31 families subsequently identified to carry the variant generated a log of odds (lod) score of 2.7 under a dominant model, indicating E318K as a possible intermediate risk variant. Consistent with this, the E318K variant was significantly associated with melanoma in a large Australian case-control sample. Likewise, it was similarly associated in an independent case-control sample from the United Kingdom. In the Australian sample, the variant allele was significantly over-represented in cases with a family history of melanoma, multiple primary melanomas, or both. The variant allele was also associated with increased naevus count and non-blue eye colour. Functional analysis of E318K showed that MITF encoded by the variant allele had impaired sumoylation and differentially regulated several MITF targets. These data indicate that MITF is a melanoma-predisposition gene and highlight the utility of whole-genome sequencing to identify novel rare variants associated with disease susceptibility.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3266855/" 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/PMC3266855/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yokoyama, Satoru -- Woods, Susan L -- Boyle, Glen M -- Aoude, Lauren G -- MacGregor, Stuart -- Zismann, Victoria -- Gartside, Michael -- Cust, Anne E -- Haq, Rizwan -- Harland, Mark -- Taylor, John C -- Duffy, David L -- Holohan, Kelly -- Dutton-Regester, Ken -- Palmer, Jane M -- Bonazzi, Vanessa -- Stark, Mitchell S -- Symmons, Judith -- Law, Matthew H -- Schmidt, Christopher -- Lanagan, Cathy -- O'Connor, Linda -- Holland, Elizabeth A -- Schmid, Helen -- Maskiell, Judith A -- Jetann, Jodie -- Ferguson, Megan -- Jenkins, Mark A -- Kefford, Richard F -- Giles, Graham G -- Armstrong, Bruce K -- Aitken, Joanne F -- Hopper, John L -- Whiteman, David C -- Pharoah, Paul D -- Easton, Douglas F -- Dunning, Alison M -- Newton-Bishop, Julia A -- Montgomery, Grant W -- Martin, Nicholas G -- Mann, Graham J -- Bishop, D Timothy -- Tsao, Hensin -- Trent, Jeffrey M -- Fisher, David E -- Hayward, Nicholas K -- Brown, Kevin M -- 10118/Cancer Research UK/United Kingdom -- 10589/Cancer Research UK/United Kingdom -- AR043369-14/AR/NIAMS NIH HHS/ -- C490/A11021/Cancer Research UK/United Kingdom -- C588/A10589/Cancer Research UK/United Kingdom -- C588/A4994/Cancer Research UK/United Kingdom -- C8197/A10123/Cancer Research UK/United Kingdom -- C8216/A6129/Cancer Research UK/United Kingdom -- CA88363/CA/NCI NIH HHS/ -- K24CA149202/CA/NCI NIH HHS/ -- P50CA9368/CA/NCI NIH HHS/ -- R01 AR043369/AR/NIAMS NIH HHS/ -- R01 CA-83115-01A2/CA/NCI NIH HHS/ -- R01 CA088363/CA/NCI NIH HHS/ -- R01 CA088363-09/CA/NCI NIH HHS/ -- R01 CA83115/CA/NCI NIH HHS/ -- England -- Nature. 2011 Nov 13;480(7375):99-103. doi: 10.1038/nature10630.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Dermatology, Cutaneous Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Massachusetts 02114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22080950" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Female ; Gene Expression Regulation, Neoplastic ; *Genetic Predisposition to Disease ; Humans ; Male ; Melanoma/*genetics ; Microphthalmia-Associated Transcription Factor/*genetics ; Middle Aged ; *Mutation ; Sumoylation/genetics ; Young Adult
    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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