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Gene entry

AHCY

adenosylhomocysteinase

Chromosome
20
Cytoband
20q11.22
Variants (rsID)
15

AHCY is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 20 (region 20q11.22). Its official name is “adenosylhomocysteinase”. The reference table lists 15 variants (rsID) for this gene.

Clinically classified variants

3 reference-table entries with clinical significance.

  • rs819146Benignsingle nucleotide variantHypermethioninemia|Hypermethioninemia with deficiency of S-adenosylhomocysteine hydrolase
  • rs121918608Pathogenicsingle nucleotide variantHypermethioninemia with deficiency of S-adenosylhomocysteine hydrolase|Inborn genetic diseases|Rhabdomyolysis
  • rs150066229Uncertain significancesingle nucleotide variantHypermethioninemia with deficiency of S-adenosylhomocysteine hydrolase

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.