Gene entry

SMAD1

SMAD family member 1

Chromosome

4

Cytoband

4q31.21

Variants (rsID)

12

SMAD1 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 4 (region 4q31.21). Its official name is “SMAD family member 1”. The reference table lists 12 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.