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Gene

SEMA7A

semaphorin 7A (JohnMiltonHagen blood group)

Summary

Cytogenetic location
15q24.1
Coordinates
Chromosome 15: 74,409,289–74,433,958 (GRCh38)
Exons
14 exons across 24.7 kb
Protein
666 amino acids
Also known as
H-Sema-L, CD108
Previous symbols
SEMAL
MANE Select transcript
ENST00000261918.9NM_003612.5
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 SEMA7A yet. The test sequences your whole genome, so your data includes it all the same.

How SEMA7A is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
Chromosome 15, with a bracket where SEMA7A sits. SEMA7A and 23 genes near it on chromosome 15, from 73,921,624 to 74,921,623.Chromosome 1515q24.1p13p12p11.2p11.1q11.1q11.2q12q13.1q13.2q13.3q14q15.1q15.2q15.3q21.1q21.2q21.3q22.1q22.2q22.31q22.32q22.33q23q24.1q24.2q24.3q25.1q25.2q25.3q26.1q26.2q26.374 Mb74.2 Mb74.4 Mb74.6 Mb74.8 MbLOXL1: 73,925,989–73,952,137, forward strandLOXL1STOML1: 73,978,926–73,994,622, reverse strandSTOML1PML: 73,994,673–74,047,827, forward strandPMLGOLGA6A: 74,069,857–74,082,550, reverse strandGOLGA6AISLR2: 74,100,311–74,138,540, forward strandISLR2ISLR: 74,172,414–74,176,872, forward strandISLRSTRA6: 74,179,466–74,212,267, reverse strandSTRA6CCDC33: 74,202,705–74,336,472, forward strandCCDC33CYP11A1: 74,337,746–74,367,884, reverse strandCYP11A1SEMA7A: 74,409,289–74,433,958, reverse strandSEMA7AUBL7: 74,445,187–74,461,189, reverse strandUBL7ARID3B: 74,541,188–74,598,131, forward strandARID3BCLK3: 74,598,500–74,645,468, forward strandCLK3EDC3: 74,630,557–74,696,292, reverse strandEDC3CYP1A1: 74,719,542–74,738,469, reverse strandCYP1A1CYP1A2: 74,748,795–74,756,607, forward strandCYP1A2CSK: 74,782,023–74,804,177, forward strandCSKLMAN1L: 74,812,716–74,825,758, forward strandLMAN1LCPLX3: 74,826,594–74,831,802, forward strandCPLX3ULK3: 74,836,116–74,843,346, reverse strandULK3SCAMP2: 74,843,728–74,873,374, reverse strandSCAMP2MPI: 74,890,005–74,902,219, forward strandMPIFAM219B: 74,892,175–74,907,331, reverse strandFAM219BCOX5A: 74,919,594–74,939,351, reverse strandCOX5ADiagram of SEMA7A: 14 exons on the reverse strand of chromosome 15Exon 14: 74,409,289–74,410,985, 1,697 basesExon 13: 74,411,295–74,411,356, 62 basesExon 12: 74,411,556–74,411,710, 155 basesExon 11: 74,411,885–74,412,012, 128 basesExon 10: 74,414,547–74,414,745, 199 basesExon 9: 74,414,838–74,414,946, 109 basesExon 8: 74,415,801–74,415,985, 185 basesExon 7: 74,416,575–74,416,714, 140 basesExon 6: 74,417,335–74,417,445, 111 basesExon 5: 74,417,591–74,417,675, 85 basesExon 4: 74,417,877–74,417,969, 93 basesExon 3: 74,418,268–74,418,309, 42 basesExon 2: 74,418,801–74,418,952, 152 basesExon 1: 74,433,741–74,433,958, 218 bases141210864215′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 3.4 kb of the gene's 24.7 kb; 2,001 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.
  • The Human Phenotype Ontology, release 2026-09-01: the traits linked to the gene. Find out more at hpo.jax.org.

Cite this page

APA

Dante Labs. (n.d.). SEMA7A gene: semaphorin 7A (JohnMiltonHagen blood group). Retrieved 17 October 2026, from https://dantelabs.com/genes/sema7a

Vancouver

Dante Labs. SEMA7A gene: semaphorin 7A (JohnMiltonHagen blood group) [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/sema7a

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