In yeast, synthesis of apocytochrome b from mitochondrial COB mRNA depends on at least three nuclear gene products. The translation stimulatory effect by two of these nuclear genes, CBS1 and CBS2, is mediated by the 5'-untranslated leader of COB mRNA. In this report, we show that CBS2 is located on chromosome IV and provide genetic evidence that the CBS2 gene encodes a polypeptide. Determination of the DNA sequence reveals a contiguous open reading frame of 1167 bp. The deduced polypeptide has a calculated molecular weight of 44.5 kDa and is characterized by a high content of positively charged amino acids. It has no significant homology to any known protein. The CBS2 gene is transcribed into low abundance mRNA species with a major transcription initiation site located 97 bp upstream from the ATG start codon next to a poly(dA-dT) stretch.
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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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