T. Tamura

Publications62
h-index21
Citations1,344
Highly Influential Citations51
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Molecular cloning of a rat 49-kDa TBP-interacting protein (TIP49) that is highly homologous to the bacterial RuvB.
TBP as a central component in transcriptional regulation can form complexes with various regulatory factors. Using histidine-tagged TBP for affinity-purification of TBP-bound proteins, we isolated a… Expand
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Possible mechanism of nuclear translocation of proteasomes
Proteasomes (multicatalytic proteinase complexes), which are identical to the ubiquitous eukaryotic 20S particles, are localized in both the cytoplasm and the nucleus, but the mechanism of their… Expand
  • 123
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Molecular cloning of a novel 120-kDa TBP-interacting protein.
TATA-binding protein (TBP) is a central component for transcriptional regulation and is a target for various transcription regulators. Using histidine-tagged TBP as a ligand for affinity-purification… Expand
  • 41
  • 5
Proteasomes: protein and gene structures.
Proteasomes are ring- or cylinder-shaped particles that have a sedimentation coefficient of 20S and are composed of a characteristic set of small polypeptides. These particles have a latent… Expand
  • 94
  • 4
Primary structure of heat-labile enterotoxin produced by Escherichia coli pathogenic for humans.
Heat-labile enterotoxin of Escherichia coli pathogenic for humans (LTh) or for piglets (LTp) and Vibrio cholerae enterotoxin (CT) are structurally and functionally similar toxins. We have determined… Expand
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HUB1, a novel Krüppel type zinc finger protein, represses the human T cell leukemia virus type I long terminal repeat-mediated expression.
We have shown that human T-cell leukemia virus type I (HTLV-I) gene expression is negatively regulated by the U5 repressive element (U5RE) of its long terminal repeat (LTR). To isolate factors… Expand
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TIP49, homologous to the bacterial DNA helicase RuvB, acts as an autoantigen in human.
TATA-binding protein (TBP), a central component for transcriptional regulation, forms complexes with various transcription regulators. We have isolated a novel human cDNA for a 49-kD TBP-interacting… Expand
  • 39
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Molecular structure of 20S and 26S proteasomes.
Eukaryotic proteasomes are unusually large protein complexes with characteristic sets of subunits and have been classified into two isoforms with apparent sedimentation coefficients of 20S and 26S,… Expand
  • 72
  • 1
cDNA cloning and sequencing of component C9 of proteasomes from rat hepatoma cells
The nucleotide sequence of component C9 of rat proteasomes (multicatalytic proteinase complexes) has been determined from a recombinant cDNA clone isolated by screening a Reuber H4TG hepatoma cell… Expand
  • 53
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cDNA cloning and sequencing of component C8 of proteasomes from rat hepatoma cells.
The primary structure of component C8 of rat proteasomes (multicatalytic proteinase complexes) has been determined by sequencing on isolated cDNA clone. C8 consists of 255 amino acid residues with a… Expand
  • 42
  • 1