Gene entry

GCH1

GTP cyclohydrolase 1

Chromosome

14

Cytoband

14q22.2

Variants (rsID)

8

GCH1 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 14 (region 14q22.2). Its official name is “GTP cyclohydrolase 1”. 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.