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| http://purl.uniprot.org/citations/16641292 | http://www.w3.org/2000/01/rdf-schema#comment | "The cellular protein p32 is a multifunctional protein, which has been shown to interact with a large number of cellular and viral proteins and to regulate several important activities like transcription and RNA splicing. We have previously shown that p32 regulates RNA splicing by binding and inhibiting the essential SR protein ASF/SF2. To determine whether p32 also functions as a regulator of splicing in virus-infected cells, we constructed a recombinant adenovirus expressing p32 under the transcriptional control of an inducible promoter. Much to our surprise the results showed that p32 overexpression effectively blocked mRNA and protein expression from the adenovirus major late transcription unit (MLTU). Interestingly, the p32-mediated inhibition of MLTU transcription was accompanied by an approximately 4.5-fold increase in Ser 5 phosphorylation and an approximately 2-fold increase in Ser 2 phosphorylation of the carboxy-terminal domain (CTD). Further, in p32-overexpressing cells the efficiency of RNA polymerase elongation was reduced approximately twofold, resulting in a decrease in the number of polymerase molecules that reached the end of the major late L1 transcription unit. We further show that p32 stimulates CTD phosphorylation in vitro. The inhibitory effect of p32 on MLTU transcription appears to require the CAAT box element in the major late promoter, suggesting that p32 may become tethered to the MLTU via an interaction with the CAAT box binding transcription factor."xsd:string |
| http://purl.uniprot.org/citations/16641292 | http://purl.org/dc/terms/identifier | "doi:10.1128/jvi.80.10.5010-5020.2006"xsd:string |
| http://purl.uniprot.org/citations/16641292 | http://purl.uniprot.org/core/author | "Akusjarvi G."xsd:string |
| http://purl.uniprot.org/citations/16641292 | http://purl.uniprot.org/core/author | "Ohrmalm C."xsd:string |
| http://purl.uniprot.org/citations/16641292 | http://purl.uniprot.org/core/date | "2006"xsd:gYear |
| http://purl.uniprot.org/citations/16641292 | http://purl.uniprot.org/core/name | "J Virol"xsd:string |
| http://purl.uniprot.org/citations/16641292 | http://purl.uniprot.org/core/pages | "5010-5020"xsd:string |
| http://purl.uniprot.org/citations/16641292 | http://purl.uniprot.org/core/title | "Cellular splicing and transcription regulatory protein p32 represses adenovirus major late transcription and causes hyperphosphorylation of RNA polymerase II."xsd:string |
| http://purl.uniprot.org/citations/16641292 | http://purl.uniprot.org/core/volume | "80"xsd:string |
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