DYNC2H1 p.Arg1726=
c.5178A>C · rs376307935 · VCV1607504
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0169%, mid)
Conditions
1
Jeune syndrome
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -0.27 | GERP -3.7, phastCons 0.002 |
| Overall | ||
| CADD | 4.475 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0169%
Middle Eastern · 1/5,914 alleles
Filtering AF
0.000366%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000265%
Overall
0.000761%
12/1,577,868 alleles · ultra-rare
exomes 10/1,425,794 · genomes 2/152,074 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0169% | 5,914 |
| Admixed American | 0.00174% | 57,528 |
| African / African-American | 0.00135% | 74,156 |
| European (non-Finnish) | 0.000778% | 128,612 |
Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.
Variant & gene context
- Gene
- DYNC2H1
- Protein
- p.Arg1726=
- Coding
- c.5178A>C
- MANE Select
- NM_001377
- dbSNP
- rs376307935
- Type
- single nucleotide variant
- Location
- chr11:103170912 (GRCh38)
- Gene constraint
- LOEUF 0.859 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Residue 1726
- an α-helix; the 'aaa 1' region
Similar variants
- DYNC2H1 p.Arg1726Ter Pathogenic ★★ same residue
- DYNC2H1 p.Arg1726Gln Conflicting classifications of pathogenicity ★ same residue
- DYNC2H1 c.10042+2T>G Pathogenic/Likely pathogenic ★★ same condition
- DYNC2H1 c.10462-2A>G Likely pathogenic ★★ same condition
- DYNC2H1 c.10606-14A>G Pathogenic/Likely pathogenic ★★ same condition
- DYNC2H1 c.10695+1G>A Likely pathogenic ★★ same condition
- DYNC2H1 c.10813-2A>G Likely pathogenic ★★ same condition
- DYNC2H1 c.11493+2T>A Likely pathogenic ★★ same condition
Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →
Cite Sugi Variant
Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/dync2h1-p-arg1726 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown