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  • 1
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    A carrot leucine-rich-repeat protein that inhibits ice recrystallization (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-02
    Description: Many organisms adapted to live at subzero temperatures express antifreeze proteins that improve their tolerance to freezing. Although structurally diverse, all antifreeze proteins interact with ice surfaces, depress the freezing temperature of aqueous solutions, and inhibit ice crystal growth. A protein purified from carrot shares these functional features with antifreeze proteins of fish. Expression of the carrot complementary DNA in tobacco resulted in the accumulation of antifreeze activity in the apoplast of plants grown at greenhouse temperatures. The sequence of carrot antifreeze protein is similar to that of polygalacturonase inhibitor proteins and contains leucine-rich repeats.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Worrall, D -- Elias, L -- Ashford, D -- Smallwood, M -- Sidebottom, C -- Lillford, P -- Telford, J -- Holt, C -- Bowles, D -- New York, N.Y. -- Science. 1998 Oct 2;282(5386):115-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Plant Laboratory, Biology Department, University of York, Post Office Box 373, York, YO1 5YW, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9756474" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antifreeze Proteins ; Cloning, Molecular ; Crystallization ; DNA, Complementary ; Daucus carota/*chemistry/physiology ; Glycoproteins/*chemistry/genetics/isolation & purification/*physiology ; Glycosylation ; *Ice ; Isoelectric Point ; Leucine/chemistry ; Membrane Proteins/*chemistry/isolation & purification/*physiology/secretion ; Molecular Sequence Data ; Molecular Weight ; Plant Proteins/*chemistry/genetics/isolation & purification/*physiology ; Plant Roots/chemistry ; Plants, Genetically Modified ; Plants, Toxic ; Tobacco
    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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    Comment on "Protein sequences from mastodon and Tyrannosaurus rex revealed by mass spectrometry" (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-01-05
    Description: We used authentication tests developed for ancient DNA to evaluate claims by Asara et al. (Reports, 13 April 2007, p. 280) of collagen peptide sequences recovered from mastodon and Tyrannosaurus rex fossils. Although the mastodon samples pass these tests, absence of amino acid composition data, lack of evidence for peptide deamidation, and association of alpha1(I) collagen sequences with amphibians rather than birds suggest that T. rex does not.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2694913/" 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/PMC2694913/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buckley, Mike -- Walker, Angela -- Ho, Simon Y W -- Yang, Yue -- Smith, Colin -- Ashton, Peter -- Oates, Jane Thomas -- Cappellini, Enrico -- Koon, Hannah -- Penkman, Kirsty -- Elsworth, Ben -- Ashford, Dave -- Solazzo, Caroline -- Andrews, Phillip -- Strahler, John -- Shapiro, Beth -- Ostrom, Peggy -- Gandhi, Hasand -- Miller, Webb -- Raney, Brian -- Zylber, Maria Ines -- Gilbert, M Thomas P -- Prigodich, Richard V -- Ryan, Michael -- Rijsdijk, Kenneth F -- Janoo, Anwar -- Collins, Matthew J -- 076905/Wellcome Trust/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2008 Jan 4;319(5859):33; author reply 33. doi: 10.1126/science.1147046.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉BioArch, Departments of Biology, Archaeology, Chemistry and Technology Facility, University of York, Post Office Box 373, York YO10 5YW, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18174420" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bone and Bones/*chemistry ; Collagen/*chemistry ; *Dinosaurs ; *Elephants ; *Fossils ; Mass Spectrometry ; Phylogeny
    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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    Plant science. Morphinan biosynthesis in opium poppy requires a P450-oxidoreductase fusion protein (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-06-27
    Description: Morphinan alkaloids from the opium poppy are used for pain relief. The direction of metabolites to morphinan biosynthesis requires isomerization of (S)- to (R)-reticuline. Characterization of high-reticuline poppy mutants revealed a genetic locus, designated STORR [(S)- to (R)-reticuline] that encodes both cytochrome P450 and oxidoreductase modules, the latter belonging to the aldo-keto reductase family. Metabolite analysis of mutant alleles and heterologous expression demonstrate that the P450 module is responsible for the conversion of (S)-reticuline to 1,2-dehydroreticuline, whereas the oxidoreductase module converts 1,2-dehydroreticuline to (R)-reticuline rather than functioning as a P450 redox partner. Proteomic analysis confirmed that these two modules are contained on a single polypeptide in vivo. This modular assembly implies a selection pressure favoring substrate channeling. The fusion protein STORR may enable microbial-based morphinan production.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Winzer, Thilo -- Kern, Marcelo -- King, Andrew J -- Larson, Tony R -- Teodor, Roxana I -- Donninger, Samantha L -- Li, Yi -- Dowle, Adam A -- Cartwright, Jared -- Bates, Rachel -- Ashford, David -- Thomas, Jerry -- Walker, Carol -- Bowser, Tim A -- Graham, Ian A -- BB/K018809/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Jul 17;349(6245):309-12. doi: 10.1126/science.aab1852. Epub 2015 Jun 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Novel Agricultural Products, Department of Biology, University of York, York YO10 5DD, UK. ; Bioscience Technology Facility, Department of Biology, University of York, York YO10 5DD, UK. ; GlaxoSmithKline, 1061 Mountain Highway, Post Office Box 168, Boronia, Victoria 3155, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113639" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Benzylisoquinolines/chemistry/*metabolism ; Cytochrome P-450 Enzyme System/genetics/*metabolism ; Genetic Loci ; Isoquinolines/chemistry/*metabolism ; Molecular Sequence Data ; Morphinans/chemistry/*metabolism ; Mutation ; Oxidation-Reduction ; Papaver/*enzymology/genetics ; Plant Proteins/genetics/*metabolism ; Quaternary Ammonium Compounds/chemistry/*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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  • 4
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    CATH: an expanded resource to predict protein function through structure and sequence (2017)
    Oxford University Press
    Details
    Publication Date: 2017-01-05
    Description: The latest version of the CATH-Gene3D protein structure classification database has recently been released (version 4.1, http://www.cathdb.info ). The resource comprises over 300 000 domain structures and over 53 million protein domains classified into 2737 homologous superfamilies, doubling the number of predicted protein domains in the previous version. The daily-updated CATH-B, which contains our very latest domain assignment data, provides putative classifications for over 100 000 additional protein domains. This article describes developments to the CATH-Gene3D resource over the last two years since the publication in 2015, including: significant increases to our structural and sequence coverage; expansion of the functional families in CATH; building a support vector machine (SVM) to automatically assign domains to superfamilies; improved search facilities to return alignments of query sequences against multiple sequence alignments; the redesign of the web pages and download site.
    Print ISSN: 0305-1048
    Electronic ISSN: 1362-4962
    Topics: Biology
    Published by Oxford University Press
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  • 5
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    Mineralization of the meter-long biosilica structures of glass sponges is templated on hydroxylated collagen. (2010)
    In:  EPIC3Nature Chemistry, 2, pp. 1084-1088
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 6
    Electronic Resource
    Electronic Resource
    A plea for consistency: Reply
    Amsterdam : Elsevier
    Parasitology Today 10 (1994), S. 143 
    Details
    ISSN: 0169-4758
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0169-4758(94)90262-3
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  • 7
    Electronic Resource
    Electronic Resource
    Structure and composition of the n2 neuraminidase of influenza virus Effect of carbohydrate content on the validity of molecular weight estimations
    Amsterdam : Elsevier
    BBA - Protein Structure 495 (1977), S. 58-70 
    Details
    ISSN: 0005-2795
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2795(77)90239-2
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  • 8
    Electronic Resource
    Electronic Resource
    Retention of maize auxin-binding protein in the endoplasmic reticulum: quantifying escape and the role of auxin (1997)
    Springer
    Planta 202 (1997), S. 313-323 
    Details
    ISSN: 1432-2048
    Keywords: Key words: Auxin-binding protein (immunolocaliza-tion) ; Endoplasmic reticulum (protein retention) ; Glycan structure ; Plasma membrane ; Zea (auxin-binding protein)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract. The localisation of maize (Zea mays L.) auxin-binding protein (ABP1) has been studied using a variety of techniques. At the whole-tissue level, tissue printing indicated that ABP1 is expressed to similar levels in all cells of the maize coleoptile and in the enclosed leaf roll. Within cells, the signals from immunofluorescence and immunogold labelling of ultrathin sections both indicated that ABP1 is confined to the endoplasmic reticulum (ER), none being detected in either Golgi apparatus or cell wall. This distribution is consistent with targeting motifs in its sequence. These observations are discussed with reference to the various reports which place a population of ABP1 on the outer face of the plasma membrane, including those suggesting that it is necessary on the cell surface for rapid, auxin-mediated protoplast hyperpolarisation. We have tested one proposed model to account for release of ABP1 from the ER, namely that auxin binding induces a conformational change in ABP1 leading to concealment of the KDEL retention motif. Using double-label immunofluorescence the characteristic auxin-induced rise in Golgi-apparatus signal was found, yet no change in the distribution of the ABP1 signal was detected. Maize suspension cultures were used to assay for auxin-promoted secretion of ABP1 into the medium, but secretion was below the limit of detection. This can be ascribed at least partly to the very active acidification of the medium by these cells and the instability of ABP1 in solution below pH 5.0. In the insect-baculovirus expression system, in which cell cultures maintain pH 6.2, a small amount of ABP1 secretion, less than 1% of the total, was detected under all conditions. Insect cells were shown to take up auxin and no inactivation of added auxin was detected, but auxin did not affect the level of ABP1 in the medium. Consequently, no evidence was found to support the model for auxin promotion of ABP1 secretion. Finally, quantitative glycan analysis was used to determine what proportion of ABP1 might reach the plasma membrane in maize coleoptile tissue. The results suggest that less than 15% of ABP1 ever escapes from the ER as far as the cis-Golgi and less than 2% passes further through the secretory pathway. Such leakage rates probably do not require a specialised mechanism allowing ABP1 past the KDEL retrieval pathway, but we are not able to rule out the possibility that some ABP1 is carried through associated with other proteins. The data are consistent with the presence of ABP1 both on the plasma membrane and in the ER. The relative sizes of the two pools explain the results obtained with immunofluorescence and immunogold labelling and illustrate the high efficiency of ER retention in plants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004250050133
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  • 9
    Electronic Resource
    Electronic Resource
    S9.6 Site-specific glycosylation of the influenza virus haemagglutinin (1993)
    Springer
    Glycoconjugate journal 10 (1993), S. 277-277 
    Details
    ISSN: 1573-4986
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01209978
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  • 10
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    Cell wall arabinan is essential for guard cell function (2003)
    National Academy of Sciences
    Details
    Publication Date: 2003-09-16
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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