DNA2 p.Arg631=
c.1893G>A · rs766576587 · VCV748107
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000848%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -0.22 | GERP -3.8, phastCons 0.26 |
| Overall | ||
| CADD | 9.649 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.000848%
European (non-Finnish) · 10/1,179,218 alleles
Filtering AF
0.000429%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000313%
Overall
0.00062%
10/1,612,462 alleles · very rare
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
- DNA2
- Protein
- p.Arg631=
- Coding
- c.1893G>A
- MANE Select
- NM_001080449
- dbSNP
- rs766576587
- Type
- single nucleotide variant
- Location
- chr10:68431952 (GRCh38)
- Gene constraint
- LOEUF 1.115 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 87.82 · 1 PDB
- Residue 631
- the upf1-type sf1b helicase atp-binding domain; the 'helicase activity' region
Similar variants
- DNA2 c.588-2214A>G Pathogenic/Likely pathogenic ★★ same type
- DNA2 p.Ser640Leu Likely pathogenic ★★ ⚠ same type
- DNA2 c.2402+1G>A Uncertain significance ★★ same type
- DNA2 c.257+3A>G Uncertain significance ★★ same type
- DNA2 p.Ala1003Ser Uncertain significance ★★ ⚠ same type
- DNA2 p.Ala221Glu Uncertain significance ★★ ⚠ same type
- DNA2 p.Ala346Val Uncertain significance ★★ ⚠ same type
- DNA2 p.Ala51Val Uncertain significance ★★ ⚠ same type
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/dna2-p-arg631 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown