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DONSON p.Val5=

c.15G>T · rs531692338 · VCV1633795

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0934%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.008strongly benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -14GERP -9
Overall
CADD0.521PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0934% African / African-American · 60/64,268 alleles
Filtering AF 0.0744% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0676%
Overall 0.00556% 69/1,241,862 alleles · ultra-rare exomes 27/1,089,888 · genomes 42/151,974 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.0934% 1,071
Middle Eastern 0.031% 3,222
East Asian 0.00956% 10,455
Remaining individualsnot grpmax-eligible 0.00437% 22,904
Admixed American 0.00418% 23,950
South Asian 0.00334% 29,962
Finnishnot grpmax-eligible 0.0031% 32,256

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
DONSON
Protein
p.Val5=
Coding
c.15G>T
MANE Select
NM_017613
dbSNP
rs531692338
Type
single nucleotide variant
Location
chr21:33588627 (GRCh38)
Gene constraint
LOEUF 0.918 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 72.94
Residue 5
the 'disordered' region
Full DONSON gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/donson-p-val5 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown