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Gene

CST1

cystatin SN

Summary

Cytogenetic location
20p11.21
Coordinates
Chromosome 20: 23,747,562–23,750,935 (GRCh38)
Exons
3 exons across 3.4 kb
Protein
141 amino acids
MANE Select transcript
ENST00000304749.7NM_001898.3
Locus type
gene with protein product
  • Very high
  • Confident
  • Low
  • Very low

Reference genomeGRCh38

Positions on gene and variant pages follow this choice, in this browser.

Curated reports relevant to this gene

No Genome Test report reads CST1 yet. The test sequences your whole genome, so your data includes it all the same.

How CST1 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 20, with a bracket where CST1 sits. CST1 and 13 genes near it on chromosome 20, from 23,249,249 to 24,249,248.Chromosome 2020p11.21p13p12.3p12.2p12.1p11.23p11.22p11.21p11.1q11.1q11.21q11.22q11.23q12q13.11q13.12q13.13q13.2q13.31q13.32q13.3323.4 Mb23.6 Mb23.8 Mb24 Mb24.2 MbNXT1: 23,350,148–23,354,771, forward strandNXT1GZF1: 23,361,987–23,373,084, forward strandGZF1NAPB: 23,371,267–23,421,520, reverse strandNAPBCSTL1: 23,426,104–23,444,930, forward strandCSTL1CST11: 23,450,403–23,453,210, reverse strandCST11CST8: 23,491,101–23,496,010, forward strandCST8CST9L: 23,564,731–23,568,517, reverse strandCST9LCST9: 23,602,410–23,605,917, reverse strandCST9CST3: 23,626,706–23,638,556, reverse strandCST3CST4: 23,685,640–23,689,038, reverse strandCST4CST1: 23,747,562–23,750,935, reverse strandCST1CST2: 23,823,769–23,826,735, reverse strandCST2CST5: 23,875,934–23,880,086, reverse strandCST5GGTLC1: 23,985,050–23,988,779, reverse strandGGTLC1Diagram of CST1: 3 exons on the reverse strand of chromosome 20Exon 3: 23,747,562–23,747,899, 338 basesExon 2: 23,749,016–23,749,129, 114 basesExon 1: 23,750,639–23,750,935, 297 bases3215′3′

Exons of the gene's MANE Select transcript (release v1.5), from NCBI and EMBL-EBI, on the GRCh38 reference genome.

Chromosome bands from UCSC's GRCh38 ideogram (2022-10-29).

Nearby genes from Ensembl release 116, on GRCh38.

Exons make up 0.7 kb of the gene's 3.4 kb; 426 of those bases code for the protein.

Where this comes from

  • HGNC: the gene's symbol, name, other symbols and location.
  • MANE Select v1.5, from NCBI and EMBL-EBI: the transcript, its exons and coding sequence.

Cite this page

APA

Dante Labs. (n.d.). CST1 gene: cystatin SN. Retrieved 17 October 2026, from https://dantelabs.com/genes/cst1

Vancouver

Dante Labs. CST1 gene: cystatin SN [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/cst1

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