Gene entry

TFF1

trefoil factor 1

Chromosome

21

Cytoband

21q22.3

Variants (rsID)

3

TFF1 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 21 (region 21q22.3). Its official name is “trefoil factor 1”. The reference table lists 3 variants (rsID) for this gene.

Data from the institutional reference table and public NCBI annotation. For education only; not a substitute for medical or genetic counselling.