SUMO-1 modification regulates the protein stability of the large regulatory protein Rep78 of adeno associated virus type 2 (AAV-2)
The large Rep proteins Rep78 and Rep68 of the helper-dependent adeno associated virus type 2 (AAV-2) are essential for both site-specific integration of AAV DNA in the absence of helpervirus and productive AAV replication in the presence of helpervirus. We have identified UBC9, the E2 conjugating en...
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| Veröffentlicht in: | Virology (New York, N.Y.) N.Y.), 2004-12, Vol.330 (1), p.284-294 |
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| creator | Weger, Stefan Hammer, Eva Heilbronn, Regine |
| description | The large Rep proteins Rep78 and Rep68 of the helper-dependent adeno associated virus type 2 (AAV-2) are essential for both site-specific integration of AAV DNA in the absence of helpervirus and productive AAV replication in the presence of helpervirus. We have identified UBC9, the E2 conjugating enzyme for the small ubiquitin-related polypeptide SUMO-1, as binding partner of the large Rep proteins in yeast two-hybrid analysis and in GST pulldown assays. Modification of the large Rep proteins with SUMO-1 could be demonstrated in immunoblot analysis and in immunoprecipitations, with the lysine residue at amino acid position 84 serving as the major attachment site. The largely sumolation-deficient Rep78 lysine to arginine point mutant showed a strongly reduced half-life as compared to the wild-type protein. This finding implicates a role for sumolation in the regulation of Rep78 protein stability that is assumed to be critical for the establishment and maintenance of AAV latency. |
| doi_str_mv | 10.1016/j.virol.2004.09.028 |
| format | Article |
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Hammer, Eva ; Heilbronn, Regine</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c431t-120e697e9a3aa633c88cd80484ab462621cc45b5a657831deb1ae8251b21d8413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>AAV</topic><topic>Adeno associated</topic><topic>Adeno-associated virus 2</topic><topic>Cloning, Molecular</topic><topic>Dependovirus - metabolism</topic><topic>DNA Helicases - metabolism</topic><topic>DNA, Viral - genetics</topic><topic>DNA, Viral - isolation & purification</topic><topic>DNA-Binding Proteins - genetics</topic><topic>DNA-Binding Proteins - metabolism</topic><topic>Glutathione Transferase - metabolism</topic><topic>HeLa Cells</topic><topic>Humans</topic><topic>Kinetics</topic><topic>Latency</topic><topic>Modification</topic><topic>Open Reading Frames</topic><topic>Plasmids</topic><topic>Recombinant Fusion Proteins - metabolism</topic><topic>Rep</topic><topic>Saccharomyces cerevisiae - genetics</topic><topic>Saccharomyces cerevisiae - metabolism</topic><topic>Stability</topic><topic>SUMO</topic><topic>SUMO-1 Protein - metabolism</topic><topic>Viral Proteins - genetics</topic><topic>Viral Proteins - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Weger, Stefan</creatorcontrib><creatorcontrib>Hammer, Eva</creatorcontrib><creatorcontrib>Heilbronn, Regine</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Virology (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Weger, Stefan</au><au>Hammer, Eva</au><au>Heilbronn, Regine</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>SUMO-1 modification regulates the protein stability of the large regulatory protein Rep78 of adeno associated virus type 2 (AAV-2)</atitle><jtitle>Virology (New York, N.Y.)</jtitle><addtitle>Virology</addtitle><date>2004-12-05</date><risdate>2004</risdate><volume>330</volume><issue>1</issue><spage>284</spage><epage>294</epage><pages>284-294</pages><issn>0042-6822</issn><eissn>1096-0341</eissn><abstract>The large Rep proteins Rep78 and Rep68 of the helper-dependent adeno associated virus type 2 (AAV-2) are essential for both site-specific integration of AAV DNA in the absence of helpervirus and productive AAV replication in the presence of helpervirus. 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| source | MEDLINE; Elsevier ScienceDirect Journals Complete; EZB-FREE-00999 freely available EZB journals |
| subjects | AAV Adeno associated Adeno-associated virus 2 Cloning, Molecular Dependovirus - metabolism DNA Helicases - metabolism DNA, Viral - genetics DNA, Viral - isolation & purification DNA-Binding Proteins - genetics DNA-Binding Proteins - metabolism Glutathione Transferase - metabolism HeLa Cells Humans Kinetics Latency Modification Open Reading Frames Plasmids Recombinant Fusion Proteins - metabolism Rep Saccharomyces cerevisiae - genetics Saccharomyces cerevisiae - metabolism Stability SUMO SUMO-1 Protein - metabolism Viral Proteins - genetics Viral Proteins - metabolism |
| title | SUMO-1 modification regulates the protein stability of the large regulatory protein Rep78 of adeno associated virus type 2 (AAV-2) |
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