Gene entry
COL9A3
collagen type IX alpha 3 chain
- Chromosome
- 20
- Cytoband
- 20q13.33
- Variants (rsID)
- 19
COL9A3 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 20 (region 20q13.33). Its official name is “collagen type IX alpha 3 chain”. The reference table lists 19 variants (rsID) for this gene.
Clinically classified variants
7 reference-table entries with clinical significance.
- rs1048100Benignsingle nucleotide variant
- rs142066316Benignsingle nucleotide variantConnective tissue disorder
- rs142792529Benignsingle nucleotide variantConnective tissue disorder
- rs2294988Benignsingle nucleotide variant
- rs751557Benignsingle nucleotide variantEpiphyseal dysplasia, multiple, 3|Connective tissue disorder
- rs373605761Conflicting interpretationssingle nucleotide variant
- rs149690829Likely benignsingle 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.