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  • 1
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    Peptide binding and presentation by mouse CD1 (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-14
    Description: CD1 molecules are distantly related to the major histocompatibility complex (MHC) class I proteins. They are of unknown function. Screening random peptide phage display libraries with soluble empty mouse CD1 (mCD1) identified a peptide binding motif. It consists of three anchor positions occupied by aromatic or bulky hydrophobic amino acids. Equilibrium binding studies demonstrated that mCD1 binds peptides containing the appropriate motif with relatively high affinity. However, in contrast to classical MHC class I molecules, strong binding to mCD1 required relatively long peptides. Peptide-specific, mCD1-restricted T cell responses can be raised, which suggests that the findings are of immunological significance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Castano, A R -- Tangri, S -- Miller, J E -- Holcombe, H R -- Jackson, M R -- Huse, W D -- Kronenberg, M -- Peterson, P A -- New York, N.Y. -- Science. 1995 Jul 14;269(5221):223-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7542403" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Antigen Presentation ; Antigens, CD/chemistry/*immunology/metabolism ; Antigens, CD1 ; Cell Line ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Peptides/chemistry/*immunology/metabolism ; T-Lymphocytes, Cytotoxic/*immunology ; Transfection
    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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    Regulation of MHC class I transport by the molecular chaperone, calnexin (p88, IP90) (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-01-21
    Description: Assembled class I histocompatibility molecules, consisting of heavy chain, beta 2-microglobulin, and peptide ligand, are transported rapidly to the cell surface. In contrast, the intracellular transport of free heavy chains or peptide-deficient heavy chain-beta 2-microglobulin heterodimers is impaired. A 90-kilodalton membrane-bound chaperone of the endoplasmic reticulum (ER), termed calnexin, associates quantitatively with newly synthesized class I heavy chains, but the functions of calnexin in this interaction are unknown. Class I subunits were expressed alone or in combination with calnexin in Drosophila melanogaster cells. Calnexin retarded the intracellular transport of both peptide-deficient heavy chain-beta 2-microglobulin heterodimers and free heavy chains. Calnexin also impeded the rapid intracellular degradation of free heavy chains. The ability of calnexin to protect and retain class I assembly intermediates is likely to contribute to the efficient intracellular formation of class I-peptide complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jackson, M R -- Cohen-Doyle, M F -- Peterson, P A -- Williams, D B -- New York, N.Y. -- Science. 1994 Jan 21;263(5145):384-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Scripps Research Institute, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8278813" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Biological Transport ; Calcium-Binding Proteins/*metabolism ; Calnexin ; Cell Line ; Drosophila melanogaster ; Endoplasmic Reticulum/*metabolism ; Golgi Apparatus/metabolism ; Histocompatibility Antigens Class I/*metabolism ; Membrane Proteins/*metabolism ; Molecular Sequence Data ; Temperature ; Transfection ; 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)
    Location Call Number Expected Availability
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