Send feedback

ADSS1 p.Val441=

c.1323C>A · rs750886513 · VCV3040996

Likely benign No assertion criteria
Classification
Likely benign
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00833%, amr)
Conditions
1
ADSS1-related disorder

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
ConservationphyloP 1.1GERP -4.2, phastCons 1
Overall
CADD8.576PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00833% Admixed American · 5/60,002 alleles
Filtering AF 0.00323% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00207%
Overall 0.000558% 9/1,613,994 alleles · very rare
Ancestry group Frequency 1 in
Admixed Americangrpmax 0.00833% 12,000
European (non-Finnish) 0.000339% 294,991

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
ADSS1
Protein
p.Val441=
Coding
c.1323C>A
MANE Select
NM_152328
dbSNP
rs750886513
Type
single nucleotide variant
Location
chr14:104746952 (GRCh38)
Gene constraint
LOEUF 1.245 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 93.10
Full ADSS1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

ADSS1-related disorder

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/adss1-p-val441 (accessed [today's date]).

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