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GeneE
1 sources retrieved Β· Most recent: April 2026 Β· Index updated 15 days ago
β“˜GeneE is for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment.
C19orf81
chromosome 19 open reading frame 81
Chromosome 19 Β· 19q13.33
NCBI Gene: 342918Ensembl: ENSG00000235034.8HGNC: HGNC:40041UniProt: C9J6K1
0PubMed Papers
20Diseases
0Drugs
0Pathogenic Variants
DATA QUALITY
βœ“ Swiss-Prot Reviewed
neurodegenerative diseasehypotrichosis simplexsmoking initiationAlopecia universalis
✦AI Summary

Based on limited published evidence, C19orf81 is a chromosome 19 open reading frame with unknown intrinsic function. It was identified as part of a 110 kb chr19 locus containing SYT3, CLEC11A, SHANK1, and C19orf81 that exhibits locus-specific histone H3K4 methylation alterations in KMT2D-haploinsufficient stem cell models 1. The gene's expression is coordinately regulated with neighboring genes through KMT2D-dependent mechanisms relevant to bone and brain development, though its specific molecular function remains undetermined.

Sources cited
1
C19orf81 is part of a locus showing locus-specific H3K4 methylation changes and coordinated gene expression alterations in KMT2D-haploinsufficient stem cells associated with Kabuki syndrome
PMID: 35640156
⚠Limited data available β€” This gene has 1 indexed publication. Summary and analysis may be incomplete.
Disease Associationsβ“˜20
neurodegenerative diseaseOpen Targets
0.37Weak
hypotrichosis simplexOpen Targets
0.06Suggestive
smoking initiationOpen Targets
0.06Suggestive
Alopecia universalisOpen Targets
0.06Suggestive
Alopecia-intellectual disability syndromeOpen Targets
0.06Suggestive
primary familial polycythemia due to EPO receptor mutationOpen Targets
0.05Suggestive
CachexiaOpen Targets
0.05Suggestive
uncombable hair syndromeOpen Targets
0.05Suggestive
wooly hair, autosomal recessive 3Open Targets
0.05Suggestive
hypotrichosis 4Open Targets
0.05Suggestive
hypotrichosis 1Open Targets
0.05Suggestive
hemolytic anemia due to diphosphoglycerate mutase deficiencyOpen Targets
0.05Suggestive
alopecia universalis congenitaOpen Targets
0.05Suggestive
Trichodysplasia - xerodermaOpen Targets
0.04Suggestive
trichodysplasia-xeroderma syndromeOpen Targets
0.04Suggestive
erythrocytosis, familial, 3Open Targets
0.04Suggestive
erythrocytosis, familial, 6Open Targets
0.04Suggestive
X-linked sideroblastic anemia 1Open Targets
0.04Suggestive
Marie Unna hereditary hypotrichosisOpen Targets
0.04Suggestive
hypotrichosis 14Open Targets
0.04Suggestive
Pathogenic Variants
No pathogenic variants reported on ClinVar for this gene.
View on ClinVar β†—
Related Genes
CXorf58Protein interaction77%
Tissue Expression6 tissues
Brain
100%
Bone Marrow
2%
Ovary
2%
Lung
1%
Liver
1%
Heart
0%
Gene Interaction Network
Click a node to explore
C19orf81CXorf58
PROTEIN STRUCTURE
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AlphaFoldAI-predicted Β· UniProt C9J6K1
View on AlphaFold β†—
Constraintβ“˜
LOEUFβ“˜
1.34LoF Tolerant
pLIβ“˜
0.00Tolerant
Observed/Expected LoF0.91 [0.64–1.34]
RankingsWhere C19orf81 stands among ~20K protein-coding genes
  • #19,458of 20,598
    Most Researched0
  • #14,012of 17,882
    Most Constrained (LOEUF)1.34
Genes detectedC19orf81
Sources retrieved1 papers
Response timeβ€”
πŸ“„ Sources
1
1
Kabuki syndrome stem cell models reveal locus specificity of histone methyltransferase 2D (KMT2D/MLL4).
PMID: 35640156
Hum Mol Genet Β· 2022
1.00