@article{Huber2012-02-17Immun-19533,
  year={2012},
  doi={10.1016/j.cell.2011.12.030},
  title={Immuno- and constitutive proteasome crystal structures reveal differences in substrate and inhibitor specificity},
  number={4},
  volume={148},
  issn={0092-8674},
  journal={Cell},
  pages={727--738},
  author={Huber, Eva M. and Basler, Michael and Schwab, Ricarda and Heinemeyer, Wolfgang and Kirk, Christopher J. and Gröttrup, Marcus and Groll, Michael}
}

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    <dc:contributor>Huber, Eva M.</dc:contributor>
    <dc:contributor>Heinemeyer, Wolfgang</dc:contributor>
    <dc:creator>Gröttrup, Marcus</dc:creator>
    <dc:creator>Kirk, Christopher J.</dc:creator>
    <dc:creator>Schwab, Ricarda</dc:creator>
    <dc:creator>Groll, Michael</dc:creator>
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    <dc:contributor>Schwab, Ricarda</dc:contributor>
    <dc:creator>Huber, Eva M.</dc:creator>
    <dc:creator>Heinemeyer, Wolfgang</dc:creator>
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    <dc:language>eng</dc:language>
    <dc:contributor>Gröttrup, Marcus</dc:contributor>
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    <dcterms:title>Immuno- and constitutive proteasome crystal structures reveal differences in substrate and inhibitor specificity</dcterms:title>
    <dc:contributor>Basler, Michael</dc:contributor>
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    <dc:creator>Basler, Michael</dc:creator>
    <dc:contributor>Kirk, Christopher J.</dc:contributor>
    <dcterms:abstract xml:lang="eng">Constitutive proteasomes and immunoproteasomes shape the peptide repertoire presented by major histocompatibility complex class I (MHC-I) molecules by harboring different sets of catalytically active subunits. Here, we present the crystal structures of constitutive proteasomes and immunoproteasomes from mouse in the presence and absence of the epoxyketone inhibitor PR-957 (ONX 0914) at 2.9 Å resolution. Based on our X-ray data, we propose a unique catalytic feature for the immunoproteasome subunit Beta5i/LMP7. Comparison of ligand-free and ligand-bound proteasomes reveals conformational changes in the S1 pocket of Beta5c/X but not Beta5i, thereby explaining the selectivity of PR-957 for Beta5i. Time-resolved structures of yeast proteasome: PR-957 complexes indicate that ligand docking to the active site occurs only via the reactive head group and the P1 side chain. Together, our results support structure-guided design of inhibitory lead structures selective for immunoproteasomes that are linked to cytokine production and diseases like cancer and autoimmune disorders.</dcterms:abstract>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2012-06-20T12:08:05Z</dc:date>
    <dc:contributor>Groll, Michael</dc:contributor>
    <dcterms:bibliographicCitation>Publ. in: Cell ; 148 (2012), 4. - pp. 727-738</dcterms:bibliographicCitation>
    <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2012-06-20T12:08:05Z</dcterms:available>
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