DYNC2I1 p.Pro347=
c.1041G>A · rs202014035 · VCV1680661
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.036%, afr)
Conditions
1
short-rib thoracic dysplasia 8 with or without polydactyly
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 -2.7 | GERP -1.9 |
| Overall | ||
| CADD | 0.624 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.036%
African / African-American · 27/75,072 alleles
Filtering AF
0.0254%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0218%
Overall
0.00502%
81/1,614,040 alleles · ultra-rare
exomes 61/1,461,698 · genomes 20/152,342 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.036% | 2,780 |
| Admixed American | 0.0267% | 3,751 |
| Middle Eastern | 0.0165% | 6,062 |
| East Asian | 0.0156% | 6,413 |
| Remaining individualsnot grpmax-eligible | 0.0128% | 7,811 |
| South Asian | 0.00439% | 22,769 |
| European (non-Finnish) | 0.00153% | 65,550 |
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
- DYNC2I1
- Protein
- p.Pro347=
- Coding
- c.1041G>A
- MANE Select
- NM_018051
- dbSNP
- rs202014035
- Type
- single nucleotide variant
- Location
- chr7:158891315 (GRCh38)
- Gene constraint
- LOEUF 0.802 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 62.87 · 4 PDB
- Residue 347
- the 'disordered' region
Similar variants
- DYNC2I1 p.Pro347Leu Likely benign ★★ same residue
- DYNC2I1 p.Pro347Thr Uncertain significance ★ ⚠ same residue
- DYNC2I1 p.Arg228Ter Pathogenic/Likely pathogenic ★★ same condition
- DYNC2I1 p.Arg441Ter Pathogenic/Likely pathogenic ★★ same condition
- DYNC2I1 p.Arg642Ter Pathogenic/Likely pathogenic ★★ same condition
- DYNC2I1 p.Arg762Ter Pathogenic ★★ same condition
- DYNC2I1 p.Ala157Val Uncertain significance ★★ ⚠ same condition
- DYNC2I1 p.Ala609Val Uncertain significance ★★ ⚠ 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/dync2i1-p-pro347 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown