Gene
CXorf65
chromosome X open reading frame 65
- HGNC 33713↗(opens in a new tab)
- Ensembl gene ENSG00000204165↗(opens in a new tab)
- NCBI Gene 158830↗(opens in a new tab)
Summary
- Cytogenetic location
- Xq13.1
- Coordinates
- Chromosome X: 71,103,889–71,106,740 (GRCh38)
- Exons
- 6 exons across 2.9 kb
- Protein
- 183 amino acids
- MANE Select transcript
- ENST00000374251.6NM_001025265.3
- Locus type
- Protein-coding
- Very high
- Confident
- Low
- Very low
This page as data
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No Genome Test report reads CXorf65 yet. The test sequences your whole genome, so your data includes it all the same.
How CXorf65 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 0.8 kb of the gene's 2.9 kb; 552 of those bases code for the protein.
Sequencing CXorf65
0Easy
How hard CXorf65 is to sequence with short reads, out of 100
0 · Easy100 · Hard
Almost all of CXorf65's exons sit where short reads map cleanly.
What adds to it: the share of CXorf65's exons in each kind of hard region
- MappabilityStretches where 100 or 250 bp reads cannot be placed uniquely, so a call there may be missing or wrong. Weight 100%.0%
- HomologySegmental duplications: copies elsewhere in the genome, such as paralogues and pseudogenes, at 90% identity or more. Weight 60%.0%
- Shared with chrYThe pseudoautosomal regions and the X-transposed region, where chrX and chrY carry the same or nearly the same sequence, so reads from either may land on the other. Weight 60%.0%
- Reference coverageGaps in the reference assembly nearby, where there is no sequence for reads to align to. Weight 50%.0%
- RepeatsTandem repeats and runs of one base, which reads slip on and may not span. Weight 30%.0%
- GC contentWindows under 25% or over 65% G and C, which library preparation covers thinly. Weight 20%.0%
A Dante Labs score from our own research, built on NIST's Genome in a Bottle maps of hard-to-sequence regions.How it's scoredEach bar is the share of CXorf65's exon bases in that kind of difficult region. Any one kind can make a gene hard on its own, and each further kind adds less: 0 when no base is in any, 100 when every base is where reads cannot be placed uniquely.
1
position in CXorf65 where ClinVar classes a change as pathogenic or likely pathogenic
None of them falls in a region short reads find hard.
A whole genome covers all 2.9 kb of CXorf65, introns included, not only the 0.8 kb of exons.
ClinVar pathogenic variants (1)
The CXorf65 variants ClinVar classifies pathogenic or likely pathogenic for any condition, reviewed by at least one submitter with criteria, and the most reviewed of them. It is ClinVar's public record of the gene, never a result.
- Pathogenic 1
| Variant | Conditions | ClinVar classification | Review status |
|---|---|---|---|
| NM_000206.3(IL2RG):c.270-15A>G (opens in a new tab) | T-B+ severe combined immunodeficiency due to gamma chain deficiency | Pathogenic | ★★★★2 stars out of 4 criteria provided, multiple submitters, no conflicts |
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.
- ClinVar and the GIAB stratifications: known disease-causing sites, and the regions short reads find hard.
- The Genome in a Bottle genome stratifications, from NIST: the sequencing difficulty score.
- Data release 2026.10.19-9814e911.
Cite this page
Dante Labs. (n.d.). CXorf65 gene: chromosome X open reading frame 65. Retrieved 19 October 2026, from https://dantelabs.com/genes/cxorf65
Dante Labs. CXorf65 gene: chromosome X open reading frame 65 [Internet]. [cited 19 October 2026]. Available from: https://dantelabs.com/genes/cxorf65
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