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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
6
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pubmed:dateCreated |
1991-6-26
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pubmed:databankReference |
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pubmed:abstractText |
Human herpesvirus 6 (HHV-6)-specific monoclonal antibody (Mab) 9A5D12 reacted with the nucleus of HHV-6 strain GS-infected cells and immunoprecipitated a phosphorylated polypeptide with an approximate size of 41 kDa, designated HHV-6 P41. A 110-kDa polypeptide was also immunoprecipitated by the MAb. These polypeptides were synthesized early in infection, and the synthesis was greatly reduced by phosphonoacetic acid. Polypeptides with identical sizes were recognized by the MAb from cells infected with an additional eight HHV-6 strains. A 2.1-kb cDNA insert was identified from an HHV-6(GS) cDNA library constructed in the lambda gt11 expression system by using MAb 9A5D12. This cDNA insert hybridized specifically with viral DNA from HHV-6 strains GS and Z-29 and with two predominant transcripts with approximate sizes of 2.5 and 1.2 kb from infected cells. The reactivity of the MAb with a fusion protein expressed in the prokaryotic vector suggested that the cDNA encodes a 62- to 66-kDa protein. Analysis of the nucleotide sequence of the cDNA insert revealed a 623-amino-acid-residue single open reading frame of 1,871 nucleotides, with an open 5' end. The predicted polypeptide is highly basic and contains a long stretch of highly hydrophobic residues localized to the carboxy terminus. The amino-terminal half of the predicted HHV-6 protein from the cDNA shows significant homology with the UL44 gene product of human cytomegalovirus, coding for the ICP36 family of early-late-class phosphoproteins. Two TATA boxes are located at nucleotide positions 668 and 722 of the cDNA. In vitro translation of RNA transcribed in vitro from the cDNA resulted in the synthesis of a 41-kDa polypeptide only. This polypeptide was readily immunoprecipitated by MAb 9A5D12, and its partial peptide map was identical to that of the 41-kDa polypeptide detected in infected cells. Together, these results indicate that the HHV-6 P41 is encoded within a gene coding for a larger protein.
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pubmed:grant |
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-1195397,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-1658400,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-1845808,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2535734,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2538657,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2574324,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2786090,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2839594,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2846617,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2876520,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2886840,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2899253,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2902266,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-2902366,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-3029407,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-3029429,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-3053468,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-3259614,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-4291934,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-518835,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1851860-7108955
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0022-538X
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
65
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
2884-94
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pubmed:dateRevised |
2009-11-18
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pubmed:meshHeading |
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