Protein L7 is associated with the large subunit of eukaryotic ribosomes that can act as a co-regulator of nuclear receptor-mediated transcription. In this study we show that L7 carries in addition to the known N-terminal nucleic acid-binding domain (NBD 1) a second one (NBD 2) which maps to the 50 C-terminal amino acids of the protein. The amino acid sequence of this region does not contain any of the known nucleic acid binding motifs; thus, NBD 2 may represent a new class of nucleic acid-binding protein motifs. NBD 2 is conserved in all known eukaryotic L7 homologs, whereas NBD 1 is only present in mammalian L7. Binding studies show that NBD 2 is functionally different from NBD 1 in that it binds preferentially to 28S rRNA, suggesting that NBD 2 is involved in the attachment of protein L7 to the large ribosomal subunit. Potential functions of NBD 1 and NBD 2 in translational and nuclear receptor-mediated transcriptional control are discussed.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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