Interaction between the transcription factor SPBP and the positive cofactor RNF4. An interplay between protein binding zinc fingers.
The activator of stromelysin 1 gene transcription, SPBP, interacts with the RING finger protein RNF4. Both proteins are ubiquitously expressed and localized in the nucleus. RNF4 facilitates accumulation of specific SPBP-DNA complexes in vitro and acts as a positive cofactor in SPBP-mediated transactivation. SPBP harbors an internal zinc finger of ... the PHD/LAP type. This domain can form intra-chain protein-protein contacts in SPBP resulting in negative modulation of SPBP-RNF4 interaction.
Mesh Terms:
3T3 Cells, Amino Acid Sequence, Animals, Cell Nucleus, DNA-Binding Proteins, Escherichia coli, Fibroblasts, Humans, Matrix Metalloproteinase 3, Mice, Molecular Sequence Data, Nuclear Proteins, Peptide Mapping, Protein Binding, Saccharomyces cerevisiae, Transcription Factors, Transcription, Genetic, Transcriptional Activation, Zinc Fingers
3T3 Cells, Amino Acid Sequence, Animals, Cell Nucleus, DNA-Binding Proteins, Escherichia coli, Fibroblasts, Humans, Matrix Metalloproteinase 3, Mice, Molecular Sequence Data, Nuclear Proteins, Peptide Mapping, Protein Binding, Saccharomyces cerevisiae, Transcription Factors, Transcription, Genetic, Transcriptional Activation, Zinc Fingers
J. Biol. Chem.
Date: Aug. 25, 2000
PubMed ID: 10849425
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