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  • 1
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    Crystal structure of human ZAG, a fat-depleting factor related to MHC molecules (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: Zn-alpha2-glycoprotein (ZAG) is a soluble protein that is present in serum and other body fluids. ZAG stimulates lipid degradation in adipocytes and causes the extensive fat losses associated with some advanced cancers. The 2.8 angstrom crystal structure of ZAG resembles a class I major histocompatibility complex (MHC) heavy chain, but ZAG does not bind the class I light chain beta2-microglobulin. The ZAG structure includes a large groove analogous to class I MHC peptide binding grooves. Instead of a peptide, the ZAG groove contains a nonpeptidic compound that may be implicated in lipid catabolism under normal or pathological conditions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sanchez, L M -- Chirino, A J -- Bjorkman, P j -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1914-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology, California Institute of Technology, Pasadena, CA 91125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206894" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Crystallography, X-Ray ; Glycoproteins/blood/*chemistry/isolation & purification/metabolism ; Glycosylation ; HLA-A2 Antigen/chemistry/metabolism ; Histocompatibility Antigens Class I/*chemistry ; Humans ; Hydrogen Bonding ; Ligands ; Lipid Metabolism ; Models, Molecular ; Peptides/metabolism ; Protein Binding ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; *Seminal Plasma Proteins ; beta 2-Microglobulin/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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  • 2
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    Inactivation of TNF signaling by rationally designed dominant-negative TNF variants (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-09-27
    Description: Tumor necrosis factor (TNF) is a key regulator of inflammatory responses and has been implicated in many pathological conditions. We used structure-based design to engineer variant TNF proteins that rapidly form heterotrimers with native TNF to give complexes that neither bind to nor stimulate signaling through TNF receptors. Thus, TNF is inactivated by sequestration. Dominant-negative TNFs represent a possible approach to anti-inflammatory biotherapeutics, and experiments in animal models show that the strategy can attenuate TNF-mediated pathology. Similar rational design could be used to engineer inhibitors of additional TNF superfamily cytokines as well as other multimeric ligands.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steed, Paul M -- Tansey, Malu G -- Zalevsky, Jonathan -- Zhukovsky, Eugene A -- Desjarlais, John R -- Szymkowski, David E -- Abbott, Christina -- Carmichael, David -- Chan, Cheryl -- Cherry, Lisa -- Cheung, Peter -- Chirino, Arthur J -- Chung, Hyo H -- Doberstein, Stephen K -- Eivazi, Araz -- Filikov, Anton V -- Gao, Sarah X -- Hubert, Rene S -- Hwang, Marian -- Hyun, Linus -- Kashi, Sandhya -- Kim, Alice -- Kim, Esther -- Kung, James -- Martinez, Sabrina P -- Muchhal, Umesh S -- Nguyen, Duc-Hanh T -- O'Brien, Christopher -- O'Keefe, Donald -- Singer, Karen -- Vafa, Omid -- Vielmetter, Jost -- Yoder, Sean C -- Dahiyat, Bassil I -- New York, N.Y. -- Science. 2003 Sep 26;301(5641):1895-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Xencor, 111 West Lemon Avenue, Monrovia, CA 91016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14512626" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Substitution ; Animals ; Antigens, CD/metabolism ; Apoptosis ; Arthritis, Experimental/drug therapy ; Biopolymers ; Caspases/metabolism ; Cell Line ; Cell Nucleus/metabolism ; Computer Simulation ; Disease Progression ; Enzyme-Linked Immunosorbent Assay ; Female ; Galactosamine/pharmacology ; HeLa Cells ; Humans ; Liver/drug effects ; NF-kappa B/metabolism ; Point Mutation ; *Protein Engineering ; Rats ; Receptors, Tumor Necrosis Factor/metabolism ; Receptors, Tumor Necrosis Factor, Type I ; Receptors, Tumor Necrosis Factor, Type II ; *Signal Transduction ; Transcription Factor RelA ; Transcription, Genetic ; Tumor Necrosis Factor-alpha/*antagonists & ; inhibitors/genetics/metabolism/*pharmacology
    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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    Recharge estimation of a small karstic aquifer in a semiarid Mediterranean region (SE Spain) using a hydrological model (2012)
    Wiley
    Details
    Publication Date: 2012-01-18
    Description: Mediterranean aquifers are frequently subject to the joint effect of intensive exploitation and low recharge values. Besides, groundwater is the only available water resource in many Mediterranean regions. Groundwater recharge studies are therefore necessary to underpin water management practices. This manuscript presents a methodology to estimate groundwater recharge in a small limestone aquifer of SE Spain. The HYDROBAL model is used to calculate daily soil water balances based on hydrological and soil data, as well as on vegetation cover. Deep drainage model outputs are converted into water table variations by means of a lumped model add-on. The adjustment between observed and calculated water-table levels is in the order of r 2  = 0.87. This correlation coefficient suggests that HYDROBAL is a useful tool to estimate groundwater recharge in the region. In addition, differences in groundwater recharge rates are observed for dry, average and wet years. Estimated recharge rates range between 0 and 18% of the mean annual rainfall, which corresponds to a net recharge of 0 to 59 mm year -1 . Recharge rates increase proportionally with precipitation ( r 2  = 0.90). Copyright © 2012 John Wiley & Sons, Ltd.
    Print ISSN: 0885-6087
    Electronic ISSN: 1099-1085
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Published by Wiley
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