Gene
MTNR1B
melatonin receptor 1B
- HGNC 7464↗(opens in a new tab)
- Ensembl gene ENSG00000134640↗(opens in a new tab)
- NCBI Gene 4544↗(opens in a new tab)
Summary
- Cytogenetic location
- 11q14.3
- Coordinates
- Chromosome 11: 92,969,651–92,982,782 (GRCh38)
- Exons
- 2 exons across 13.1 kb
- Protein
- 362 amino acids
- MANE Select transcript
- ENST00000257068.3NM_005959.5
- Locus type
- gene with protein product
- Very high
- Confident
- Low
- Very low
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
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Sleep & Chronotype
- Melatonin Timing
How MTNR1B is laid out
- Coding sequence
- Untranslated region
- Intron
- Direction of transcription
- Stretches short reads find hard
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 13.1 kb; 1,089 of those bases code for the protein.
Traits linked to MTNR1B
The Human Phenotype Ontology lists these as features of the rare conditions MTNR1B can cause. Each trait's page lists the other genes linked to it.
External links
Gene records
Transcript
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
Dante Labs. (n.d.). MTNR1B gene: melatonin receptor 1B. Retrieved 17 October 2026, from https://dantelabs.com/genes/mtnr1b
Dante Labs. MTNR1B gene: melatonin receptor 1B [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/mtnr1b
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