Gene
NHLH2
nescient helix-loop-helix 2
- HGNC 7818↗(opens in a new tab)
- Ensembl gene ENSG00000177551↗(opens in a new tab)
- NCBI Gene 4808↗(opens in a new tab)
Summary
- Cytogenetic location
- 1p13.1
- Coordinates
- Chromosome 1: 115,836,377–115,841,126 (GRCh38)
- Exons
- 3 exons across 4.8 kb
- Protein
- 135 amino acids
- Also known as
- NSCL2, bHLHa34
- Previous symbols
- HEN2
- MANE Select transcript
- ENST00000320238.3NM_005599.3
- 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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How NHLH2 is laid out
- Coding sequence
- Untranslated region
- Intron
- Direction of transcription
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 2.5 kb of the gene's 4.8 kb; 408 of those bases code for the protein.
Traits linked to NHLH2
The Human Phenotype Ontology lists these as features of the rare conditions NHLH2 can cause. Each trait's page lists the other genes linked to it.
Abnormality of the genitourinary system
- Absent sperm in semen
- Decreased testicular size
- Difficulty getting a full erection
- Increased female sex drive
- Non-obstructive azoospermia
- Primary amenorrhea
- Short penis
- Undescended testes
Show 3 more traits
Abnormality of the endocrine system
- Absence of pubertal development
- Decreased circulating follicle stimulating hormone concentration
- Decreased circulating luteinizing hormone level
- Reduced response to gonadotropin-releasing hormone stimulation test
- Absence of secondary sex characteristics
- Decreased function of male gonad
- Decreased serum testosterone level
- Female hypogonadism
Show 2 more traits
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.). NHLH2 gene: nescient helix-loop-helix 2. Retrieved 17 October 2026, from https://dantelabs.com/genes/nhlh2
Dante Labs. NHLH2 gene: nescient helix-loop-helix 2 [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/nhlh2
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