Gene entry
TOP1
DNA topoisomerase I
- Chromosome
- 20
- Cytoband
- 20q12
- Variants (rsID)
- 12
TOP1 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 20 (region 20q12). Its official name is “DNA topoisomerase I”. The reference table lists 12 variants (rsID) for this gene.
Clinically classified variants
2 reference-table entries with clinical significance.
- rs267607131Othersingle nucleotide variant
- rs267607132Othersingle nucleotide variant
Other listed variants
Public references
Data from the institutional reference table and public NCBI annotation. For education only; not a substitute for medical or genetic counselling.