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AGA p.Val57=

c.171G>A · rs750795098 · VCV1109980

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.011%, sas)
Conditions
2
Inborn genetic diseases

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 -0.96GERP -3.7
Overall
CADD0.324PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.011% South Asian · 10/91,076 alleles
Filtering AF 0.00594% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00453%
Overall 0.000867% 14/1,614,020 alleles · ultra-rare
Ancestry group Frequency 1 in
South Asiangrpmax 0.011% 9,108
Remaining individualsnot grpmax-eligible 0.0032% 31,244
European (non-Finnish) 0.000169% 590,030

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
AGA
Protein
p.Val57=
Coding
c.171G>A
MANE Select
NM_000027
dbSNP
rs750795098
Type
single nucleotide variant
Location
chr4:177440383 (GRCh38)
Gene constraint
LOEUF 0.938 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 91.41 · 2 PDB
Residue 57
an α-helix
Full AGA 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/aga-p-val57 (accessed [today's date]).

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