@article{Pelzer2007-08-10UBE1L-16680,
  year={2007},
  doi={10.1074/jbc.C700111200},
  title={UBE1L2, a novel E1 enzyme specific for ubiquitin},
  number={32},
  volume={282},
  issn={0021-9258},
  journal={Journal of Biological Chemistry},
  pages={23010--23014},
  author={Pelzer, Christiane and Kassner, Ingrid and Matentzoglu, Konstantin and Singh, Rajesh K. and Wollscheid, Hans-Peter and Scheffner, Martin and Schmidtke, Gunter and Gröttrup, Marcus}
}

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    <dc:contributor>Wollscheid, Hans-Peter</dc:contributor>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-11-16T06:52:03Z</dc:date>
    <dc:creator>Matentzoglu, Konstantin</dc:creator>
    <dc:creator>Pelzer, Christiane</dc:creator>
    <dc:contributor>Kassner, Ingrid</dc:contributor>
    <dcterms:bibliographicCitation>Publ. in: Journal of Biological Chemistry ; 282 (2007), 32. - S. 23010-23014</dcterms:bibliographicCitation>
    <dc:creator>Schmidtke, Gunter</dc:creator>
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    <dcterms:abstract xml:lang="eng">UBE1 is known as the human ubiquitin-activating enzyme (E1), which activates ubiquitin in an ATP-dependent manner. Here, we identified a novel human ubiquitin-activating enzyme referred to as UBE1L2, which also shows specificity for ubiquitin. The UBE1L2 sequence displays a 40% identity to UBE1 and also contains an ATP-binding domain and an active site cysteine conserved among E1 family proteins. UBE1L2 forms a covalent link with ubiquitin in vitro and in vivo, which is sensitive to reducing conditions. In an in vitro polyubiquitylation assay, recombinant UBE1L2 could activate ubiquitin and transfer it onto the ubiquitin-conjugating enzyme UbcH5b. Ubiquitin activated by UBE1L2 could be used for ubiquitylation of p53 by MDM2 and supported the autoubiquitylation of the E3 ubiquitin ligases HectH9 and E6-AP. The UBE1L2 mRNA is most abundantly expressed in the testis, suggesting an organspecific regulation of ubiquitin activation.</dcterms:abstract>
    <dcterms:title>UBE1L2, a novel E1 enzyme specific for ubiquitin</dcterms:title>
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    <dc:creator>Kassner, Ingrid</dc:creator>
    <dc:contributor>Singh, Rajesh K.</dc:contributor>
    <dc:contributor>Matentzoglu, Konstantin</dc:contributor>
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    <dc:creator>Singh, Rajesh K.</dc:creator>
    <dc:contributor>Gröttrup, Marcus</dc:contributor>
    <dc:creator>Scheffner, Martin</dc:creator>
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    <dc:creator>Wollscheid, Hans-Peter</dc:creator>
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    <dc:contributor>Pelzer, Christiane</dc:contributor>
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    <dc:contributor>Scheffner, Martin</dc:contributor>
    <dcterms:issued>2007-08-10</dcterms:issued>
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