Skip to content
Use your HSA or FSA funds

Gene

CASTOR1

cytosolic arginine sensor for mTORC1 subunit 1

Summary

Cytogenetic location
22q12.2
Coordinates
Chromosome 22: 30,285,117–30,289,505 (GRCh38)
Exons
9 exons across 4.4 kb
Protein
329 amino acids
Previous symbols
GATSL3
MANE Select transcript
ENST00000407689.8NM_001037666.3
Locus type
gene with protein product

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 CASTOR1 yet. The test sequences your whole genome, so your data includes it all the same.

How CASTOR1 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
Chromosome 22, with a bracket where CASTOR1 sits. CASTOR1 and 22 genes near it on chromosome 22, from 29,787,311 to 30,787,310.Chromosome 2222q12.2p13p12p11.2p11.1q11.1q11.21q11.22q11.23q12.1q12.2q12.3q13.1q13.2q13.31q13.32q13.3329.8 Mb30 Mb30.2 Mb30.4 Mb30.6 MbASCC2: 29,788,044–29,838,304, reverse strandASCC2MTMR3: 29,883,141–30,030,868, forward strandMTMR3HORMAD2: 30,080,444–30,211,427, forward strandHORMAD2LIF: 30,240,453–30,246,804, reverse strandLIFOSM: 30,262,829–30,266,858, reverse strandOSMCASTOR1: 30,285,117–30,289,505, reverse strandCASTOR1: 30,285,238–30,299,482, reverse strandTBC1D10A: 30,291,990–30,326,947, reverse strandTBC1D10ASF3A1: 30,331,988–30,356,919, reverse strandSF3A1CCDC157: 30,356,631–30,378,673, forward strandCCDC157RNF215: 30,368,811–30,421,771, reverse strandRNF215SEC14L2: 30,396,941–30,425,303, forward strandSEC14L2: 30,409,255–30,428,990, forward strandMTFP1: 30,425,623–30,429,058, forward strandMTFP1SEC14L3: 30,447,959–30,472,056, reverse strandSEC14L4: 30,488,890–30,505,725, reverse strandSEC14L4SEC14L6: 30,522,799–30,546,741, reverse strandSEC14L6GAL3ST1: 30,554,632–30,576,210, reverse strandGAL3ST1PES1: 30,576,624–30,607,083, reverse strandPES1TCN2: 30,607,003–30,630,712, forward strandTCN2SLC35E4: 30,635,673–30,669,016, forward strandSLC35E4DUSP18: 30,652,051–30,667,887, reverse strandDUSP18OSBP2: 30,693,782–30,907,824, forward strandOSBP2Diagram of CASTOR1: 9 exons on the reverse strand of chromosome 22Exon 9: 30,285,117–30,285,688, 572 basesExon 8: 30,285,832–30,285,926, 95 basesExon 7: 30,286,016–30,286,098, 83 basesExon 6: 30,286,263–30,286,376, 114 basesExon 5: 30,286,825–30,286,948, 124 basesExon 4: 30,287,155–30,287,287, 133 basesExon 3: 30,287,373–30,287,560, 188 basesExon 2: 30,288,706–30,288,776, 71 basesExon 1: 30,289,385–30,289,505, 121 bases9876543215′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 1.5 kb of the gene's 4.4 kb; 990 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.). CASTOR1 gene: cytosolic arginine sensor for mTORC1 subunit 1. Retrieved 17 October 2026, from https://dantelabs.com/genes/castor1

Vancouver

Dante Labs. CASTOR1 gene: cytosolic arginine sensor for mTORC1 subunit 1 [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/castor1

One test. A lifetime of answers.

From $449Free shipping · Results in 6–8 weeks

Get my Genome Test