Cloning, expression, and function of TFC5, the gene encoding the B" component of the Saccharomyces cerevisiae RNA polymerase III transcription factor TFIIIB.
TFC5, the unique and essential gene encoding the B" component of the Saccharomyces cerevisiae RNA polymerase III transcription factor (TF)IIIB has been cloned. It encodes a 594-amino acid protein (67,688 Da). Escherichia coli-produced B" has been used to reconstitute entirely recombinant TFIIIB that is fully functional for TFIIIC-directed, as well ... as TATA box-dependent, DNA binding and transcription. The DNase I footprints of entirely recombinant TFIIIB, composed of B", the 67-kDa Brf, and TATA box-binding protein, and TFIIIB reconstituted with natural B" are indistinguishable. A truncated form of B" lacking 39 N-terminal and 107 C-terminal amino acids is also functional for transcription.
Mesh Terms:
Amino Acid Sequence, Base Sequence, Cloning, Molecular, DNA Footprinting, DNA, Fungal, DNA-Binding Proteins, Escherichia coli, Fungal Proteins, Genes, Fungal, Molecular Sequence Data, Promoter Regions, Genetic, Protein Binding, RNA Polymerase III, RNA, Transfer, Recombinant Proteins, Saccharomyces cerevisiae, Saccharomyces cerevisiae Proteins, Sequence Analysis, TATA-Box Binding Protein, Transcription Factor TFIIIB, Transcription Factors
Amino Acid Sequence, Base Sequence, Cloning, Molecular, DNA Footprinting, DNA, Fungal, DNA-Binding Proteins, Escherichia coli, Fungal Proteins, Genes, Fungal, Molecular Sequence Data, Promoter Regions, Genetic, Protein Binding, RNA Polymerase III, RNA, Transfer, Recombinant Proteins, Saccharomyces cerevisiae, Saccharomyces cerevisiae Proteins, Sequence Analysis, TATA-Box Binding Protein, Transcription Factor TFIIIB, Transcription Factors
Proc. Natl. Acad. Sci. U.S.A.
Date: Oct. 10, 1995
PubMed ID: 7568218
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