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Gene

COL23A1

collagen type XXIII alpha 1 chain

Summary

Cytogenetic location
5q35.3
Coordinates
Chromosome 5: 178,237,618–178,590,393 (GRCh38)
Exons
29 exons across 352.8 kb
Protein
540 amino acids
Also known as
DKFZp434K0621
MANE Select transcript
ENST00000390654.8NM_173465.4
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 COL23A1 yet. The test sequences your whole genome, so your data includes it all the same.

How COL23A1 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 5, with a bracket where COL23A1 sits. COL23A1 and 15 genes near it on chromosome 5, from 177,884,842 to 178,943,169.Chromosome 55q35.3p15.33p15.32p15.31p15.2p15.1p14.3p14.2p14.1p13.3p13.2p13.1p12p11q11.1q11.2q12.1q12.2q12.3q13.1q13.2q13.3q14.1q14.2q14.3q15q21.1q21.2q21.3q22.1q22.2q22.3q23.1q23.2q23.3q31.1q31.2q31.3q32q33.1q33.2q33.3q34q35.1q35.2q35.3178 Mb178.2 Mb178.4 Mb178.6 Mb178.8 MbPROP1: 177,992,235–177,996,242, reverse strandPROP1FAM153CP: 178,006,348–178,086,529, forward strandFAM153CPN4BP3: 178,113,167–178,127,034, forward strandN4BP3RMND5B: 178,129,068–178,152,762, forward strandRMND5BNHP2: 178,139,872–178,153,968, reverse strandNHP2GMCL2: 178,184,505–178,187,371, reverse strandGMCL2HNRNPAB: 178,204,479–178,216,389, forward strandHNRNPABPHYKPL: 178,207,127–178,233,208, reverse strandPHYKPLCOL23A1: 178,237,618–178,590,393, reverse strandCOL23A1CLK4: 178,602,659–178,630,615, reverse strandCLK4MSANTD5: 178,694,559–178,697,761, reverse strandMSANTD5: 178,694,605–178,729,335, reverse strandZNF354A: 178,711,510–178,732,381, reverse strandZNF354AZNF354B: 178,859,925–178,889,464, forward strandZNF354BZFP2: 178,895,889–178,933,415, forward strandZFP2ZNF454: 178,940,827–178,966,649, forward strandZNF454Diagram of COL23A1: 29 exons on the reverse strand of chromosome 5Exon 29: 178,237,618–178,238,700, 1,083 basesExon 28: 178,239,141–178,239,179, 39 basesExon 27: 178,242,042–178,242,128, 87 basesExon 26: 178,242,341–178,242,394, 54 basesExon 25: 178,245,942–178,245,968, 27 basesExon 24: 178,246,254–178,246,307, 54 basesExon 23: 178,246,391–178,246,453, 63 basesExon 22: 178,247,526–178,247,552, 27 basesExon 21: 178,247,775–178,247,831, 57 basesExon 20: 178,248,192–178,248,254, 63 basesExon 19: 178,249,117–178,249,206, 90 basesExon 18: 178,250,061–178,250,105, 45 basesExon 17: 178,252,544–178,252,597, 54 basesExon 16: 178,254,949–178,255,026, 78 basesExon 15: 178,256,353–178,256,397, 45 basesExon 14: 178,256,866–178,256,928, 63 basesExon 13: 178,257,523–178,257,567, 45 basesExon 12: 178,259,721–178,259,747, 27 basesExon 11: 178,261,722–178,261,748, 27 basesExon 10: 178,262,217–178,262,252, 36 basesExon 9: 178,263,208–178,263,324, 117 basesExon 8: 178,267,307–178,267,333, 27 basesExon 7: 178,268,730–178,268,756, 27 basesExon 6: 178,270,337–178,270,363, 27 basesExon 5: 178,288,324–178,288,350, 27 basesExon 4: 178,290,362–178,290,369, 8 basesExon 3: 178,306,875–178,306,919, 45 basesExon 2: 178,560,682–178,560,748, 67 basesExon 1: 178,589,904–178,590,393, 490 bases29201015′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 2.9 kb of the gene's 352.8 kb; 1,623 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.). COL23A1 gene: collagen type XXIII alpha 1 chain. Retrieved 16 October 2026, from https://dantelabs.com/genes/col23a1

Vancouver

Dante Labs. COL23A1 gene: collagen type XXIII alpha 1 chain [Internet]. [cited 16 October 2026]. Available from: https://dantelabs.com/genes/col23a1

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