Gene entry
TCN2
transcobalamin 2
- Chromosome
- 22
- Cytoband
- 22q12.2
- Variants (rsID)
- 15
TCN2 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 22 (region 22q12.2). Its official name is “transcobalamin 2”. The reference table lists 15 variants (rsID) for this gene.
Clinically classified variants
7 reference-table entries with clinical significance.
- rs1131603Benignsingle nucleotide variantTranscobalamin II deficiency
- rs116605132Benignsingle nucleotide variantTranscobalamin II deficiency
- rs117458738Benignsingle nucleotide variantTranscobalamin II deficiency
- rs35915865Benignsingle nucleotide variantTranscobalamin II deficiency
- rs4820889Benignsingle nucleotide variantTranscobalamin II deficiency
- rs9606756Benignsingle nucleotide variantTranscobalamin II deficiency
- rs142791153Likely benignsingle nucleotide variantTranscobalamin II 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.