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Gene

SEMA4B

semaphorin 4B

Summary

Cytogenetic location
15q26.1
Coordinates
Chromosome 15: 90,201,330–90,229,660 (GRCh38)
Exons
14 exons across 28.3 kb
Protein
837 amino acids
Also known as
SemC, KIAA1745, MGC131831
Previous symbols
SEMAC
MANE Select transcript
ENST00000411539.7NM_198925.4
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 SEMA4B yet. The test sequences your whole genome, so your data includes it all the same.

How SEMA4B is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 15, with a bracket where SEMA4B sits. SEMA4B and 19 genes near it on chromosome 15, from 89,715,495 to 90,715,494.Chromosome 1515q26.1p13p12p11.2p11.1q11.1q11.2q12q13.1q13.2q13.3q14q15.1q15.2q15.3q21.1q21.2q21.3q22.1q22.2q22.31q22.32q22.33q23q24.1q24.2q24.3q25.1q25.2q25.3q26.1q26.2q26.389.8 Mb90 Mb90.2 Mb90.4 Mb90.6 MbWDR93: 89,690,810–89,743,639, forward strandWDR93MESP1: 89,749,875–89,751,301, reverse strandMESP1MESP2: 89,760,591–89,778,754, forward strandMESP2ANPEP: 89,784,875–89,815,401, reverse strandANPEPAP3S2: 89,830,599–89,894,638, reverse strandAP3S2ARPIN-AP3S2: 89,834,308–89,912,882, reverse strandARPIN-AP3S2ARPIN: 89,895,006–89,912,966, reverse strandARPINZNF710: 89,999,180–90,082,206, forward strandZNF710IDH2: 90,083,045–90,102,511, reverse strandIDH2SEMA4B: 90,201,330–90,229,660, forward strandSEMA4BCIB1: 90,229,939–90,234,115, reverse strandCIB1GDPGP1: 90,233,471–90,245,811, forward strandGDPGP1: 90,234,200–90,265,462, forward strandTTLL13: 90,249,530–90,265,482, forward strand: 90,249,556–90,272,208, forward strandNGRN: 90,265,643–90,284,634, forward strand: 90,266,317–90,314,499, forward strandZNF774: 90,352,240–90,369,146, forward strandZNF774IQGAP1: 90,388,207–90,502,239, forward strandIQGAP1CRTC3: 90,529,881–90,645,345, forward strandCRTC3Diagram of SEMA4B: 14 exons on the forward strand of chromosome 15Exon 1: 90,201,330–90,201,735, 406 basesExon 2: 90,217,439–90,217,602, 164 basesExon 3: 90,217,767–90,217,829, 63 basesExon 4: 90,219,793–90,219,891, 99 basesExon 5: 90,220,982–90,221,093, 112 basesExon 6: 90,221,367–90,221,480, 114 basesExon 7: 90,221,614–90,221,765, 152 basesExon 8: 90,223,559–90,223,740, 182 basesExon 9: 90,223,838–90,223,988, 151 basesExon 10: 90,224,968–90,225,178, 211 basesExon 11: 90,225,282–90,225,397, 116 basesExon 12: 90,225,661–90,225,827, 167 basesExon 13: 90,227,557–90,227,642, 86 basesExon 14: 90,227,904–90,229,660, 1,757 bases124681012145′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 3.8 kb of the gene's 28.3 kb; 2,514 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.). SEMA4B gene: semaphorin 4B. Retrieved 16 October 2026, from https://dantelabs.com/genes/sema4b

Vancouver

Dante Labs. SEMA4B gene: semaphorin 4B [Internet]. [cited 16 October 2026]. Available from: https://dantelabs.com/genes/sema4b

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