Gene Structure Viewer

Exon–intron architecture
at a glance.

Enter a gene symbol or Ensembl ID. The viewer fetches live transcript data from Ensembl GRCh38 and draws the gene to scale — exons proportional, introns condensed — with an optional variant highlight.

Position formats: chr7:117559591  ·  7:117559591  ·  117559591  ·  NC_000007.14:117559591

Examples
Data: Ensembl REST API (GRCh38) via Cloudflare Worker proxy · Introns condensed to 6 % real scale · Click any exon for coordinates · API docs