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p73, the gene for a protein related to the tumor suppressor p53, encodes several variants which bear distinct carboxy-terminal structures as a result of alternative splicing. We and others showed that these splicing variants have different transcriptional effects on promoters with a p53-binding consensus sequence (p53BCS). Here we show that when transiently overexpressed, p73α but not p73β activated...
A novel splice variant of hPirh2, named hPirh2b, was isolated from human fetal liver cDNA library. hPirh2b has a 38-nucleotide deletion and encodes a 188-amino acid protein with a truncated RING-H2 domain. It shows no ubiquitin protein ligase activity. A low level of expression of hPirh2 was found both at transcriptional and translational level in human hepatocellular carcinoma (HCC) when compared...
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