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A2ML1 p.Val903Ile

c.2707G>A · rs1416944345 · VCV963794

Uncertain significance Multiple submitters
Classification
Uncertain significance
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
AlphaMissense
likely benign
0.1267 · ACMG-weighted
gnomAD v4.1
Rare
ultra-rare (popmax 0.0176%, mid)
Missense predictors
0/2 damaging
AlphaMissense, SaProt · REVEL no call

Computational evidence

Protein change
AlphaMissense0.1267likely benign
REVEL0.358indeterminate
SaProtLLR -7.82tolerated
⇒ AlphaMissense and SaProt both call this tolerated; REVEL makes no call.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 4.9GERP 1.8, phastCons 1
Regional constrainto/e 0.94unconstrained · MANE · 52 kb · p 0.02 · regional, not allelic
Overall
CADD24.9PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0176% Middle Eastern · 1/5,678 alleles
Filtering AF 0.000619% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000477%
Overall 0.00111% 16/1,444,418 alleles · ultra-rare
Ancestry group Frequency 1 in
Middle Easterngrpmax 0.0176% 5,678
East Asian 0.00225% 44,512
South Asian 0.00115% 86,958
European (non-Finnish) 0.00111% 90,158

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
A2ML1
Protein
p.Val903Ile
Coding
c.2707G>A
MANE Select
NM_144670
dbSNP
rs1416944345
Type
single nucleotide variant
Location
chr12:8854244 (GRCh38)
Gene constraint
LOEUF 0.953 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 80.61 · 5 PDB
Residue 903
a β-strand; a UniProt-annotated variant site (risk factor for otitis media)
Full A2ML1 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/a2ml1-p-val903ile (accessed [today's date]).

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