A mixed oligonucleotide probe containing sequences encoding a septapeptide found in yeast, Drosophila and human DNA topoisomerase II was used to screen a genomic library of Trypanosoma brucei. A positive was obtained, and nucleotide sequencing shows that the entire gene encoding DNA topoisomerase II of this organism, TbrTOP2, resides within the T. brucei insert of the clone. A single open reading frame of 1221 triplet codons starting from the first ATG was identified; the amino acid sequence deduced from it is highly homologous to other eukaryotic DNA topoisomerase II and corresponds to a 137-kDa polypeptide. Analysis of restriction endonuclease digests of T. brucei DNA by blot hybridization following gel electrophoresis indicates that TbrTOP2 is a single-copy gene.
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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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