Bioinformatic approaches to the identification of genomic sequences having G-quadruplex forming potential (QFP) has enabled important tests of the structure of these sequences in vitro and of their behavior under conditions where the formation or function of G-quadruplexes is modulated in vivo. Several similar approaches to identifying intramolecular QFP (i.e. forming among G-runs on one strand of DNA) have been developed previously, but none appears to perfectly predict G-quadruplex formation. Here we describe a new approach, which complements and differs from prior approaches in that it identifies motifs containing G-runs on both strands of duplex DNA that could contribute to G-quadruplex structures. We call these motifs duplex-derived interstrand QFP (ddiQFP), and illustrate their potential applications by describing their genomic distribution and an example of their correspondence to loci targeted by a G-quadruplex-unwinding DNA helicase in yeast.
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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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