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Gene

CYB5R1

cytochrome b5 reductase 1

Summary

Cytogenetic location
1q32.1
Coordinates
Chromosome 1: 202,961,873–202,967,257 (GRCh38)
Exons
9 exons across 5.4 kb
Protein
305 amino acids
Also known as
humb5R2
Previous symbols
NQO3A2
MANE Select transcript
ENST00000367249.9NM_016243.3
Locus type
gene with protein product
  • Very high
  • Confident
  • Low
  • Very low

Curated reports relevant to this gene

No Genome Test report reads CYB5R1 yet. The test sequences your whole genome, so your data includes it all the same.

How CYB5R1 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
Chromosome 1, with a bracket where CYB5R1 sits. CYB5R1 and 15 genes near it on chromosome 1, from 202,464,565 to 203,464,564.Chromosome 11q32.1p36.33p36.32p36.31p36.23p36.22p36.21p36.13p36.12p36.11p35.3p35.2p35.1p34.3p34.2p34.1p33p32.3p32.2p32.1p31.3p31.2p31.1p22.3p22.2p22.1p21.3p21.2p21.1p13.3p13.2p13.1p12p11.2p11.1q11q12q21.1q21.2q21.3q22q23.1q23.2q23.3q24.1q24.2q24.3q25.1q25.2q25.3q31.1q31.2q31.3q32.1q32.2q32.3q41q42.11q42.12q42.13q42.2q42.3q43q44202.6 Mb202.8 Mb203 Mb203.2 Mb203.4 MbPPP1R12B: 202,348,666–202,592,706, forward strandPPP1R12BSYT2: 202,590,596–202,710,526, reverse strandSYT2KDM5B: 202,724,495–202,808,526, reverse strandKDM5BRABIF: 202,876,229–202,889,227, reverse strandRABIFKLHL12: 202,890,852–202,928,636, reverse strandKLHL12ADIPOR1: 202,940,090–202,958,779, reverse strandADIPOR1CYB5R1: 202,961,873–202,967,257, reverse strandCYB5R1TMEM183A: 203,006,598–203,025,368, forward strandTMEM183APPFIA4: 203,026,470–203,078,740, forward strandPPFIA4MYOG: 203,083,129–203,086,050, reverse strandMYOGADORA1: 203,090,654–203,167,407, forward strandADORA1MYBPH: 203,167,811–203,175,880, reverse strandMYBPHCHI3L1: 203,176,896–203,186,800, reverse strandCHI3L1CHIT1: 203,212,818–203,273,641, reverse strandCHIT1BTG2: 203,305,491–203,311,424, forward strandBTG2FMOD: 203,340,441–203,351,758, reverse strandFMODDiagram of CYB5R1: 9 exons on the reverse strand of chromosome 1Exon 9: 202,961,873–202,962,699, 827 basesExon 8: 202,963,066–202,963,165, 100 basesExon 7: 202,963,642–202,963,727, 86 basesExon 6: 202,964,612–202,964,695, 84 basesExon 5: 202,965,371–202,965,500, 130 basesExon 4: 202,965,887–202,965,993, 107 basesExon 3: 202,966,528–202,966,600, 73 basesExon 2: 202,966,749–202,966,898, 150 basesExon 1: 202,967,191–202,967,257, 67 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 1.6 kb of the gene's 5.4 kb; 918 of those bases code for the protein.

External links

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.). CYB5R1 gene: cytochrome b5 reductase 1. Retrieved 17 October 2026, from https://dantelabs.com/genes/cyb5r1

Vancouver

Dante Labs. CYB5R1 gene: cytochrome b5 reductase 1 [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/cyb5r1

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