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The adenovirus E1A and SV40 large-T-antigen oncoproteins bind to members of the p300/CBP transcriptional coactivator family. Binding of p300/CBP is implicated in the transforming mechanisms of E1A and T-antigen oncoproteins. A common region of the T antigen is critical for binding both p300/CBP and the tumour suppressor p53, suggesting a link between the(More)
Several cellular polypeptides critical for growth regulation interact with DNA tumor virus oncoproteins. p400 is a cellular protein which binds to the adenovirus E1A oncoprotein(s). The biological function of p400 is not yet known, but it is structurally and immunologically closely related to p300 and CREB-binding protein, two known E1A-binding(More)
The 94-kD large tumor (T) antigen specified by simian virus 40 (SV40) is sufficient to induce cell transformation. T antigen contains four H-2Db-restricted cytotoxic T lymphocyte (CTL) recognition epitopes that are targets for CTL clones Y-1, Y-2, Y-3, and Y-5. These epitopes have been mapped to T antigen amino acids 207-215 (site I), 223-231 (sites II and(More)
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