Gene entry

SMIM21

small integral membrane protein 21

Chromosome

18

Cytoband

18q23

Variants (rsID)

8

SMIM21 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 18 (region 18q23). Its official name is “small integral membrane protein 21”. The reference table lists 8 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.