Genetics University — Research, Education, Medical Genetics
Knowledge Hub

Gene entry

C9

complement C9

Chromosome
5
Cytoband
5p13.1
Variants (rsID)
18

C9 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 5 (region 5p13.1). Its official name is “complement C9”. The reference table lists 18 variants (rsID) for this gene.

Clinically classified variants

4 reference-table entries with clinical significance.

  • rs476569Benignsingle nucleotide variant
  • rs696763Benignsingle nucleotide variant
  • rs34882957Likely benignsingle nucleotide variantAge related macular degeneration 15
  • rs34000044Pathogenicsingle nucleotide variantComplement component 9 deficiency

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.