Send feedback

A2ML1 p.Val1331=

c.3993G>A · rs762194080 · VCV1155701

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00398%, 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
ConservationphyloP 2.3GERP 1.2, phastCons 1
Overall
CADD6.802PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00398% European (non-Finnish) · 47/1,180,006 alleles
Filtering AF 0.00307% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00275%
Overall 0.0031% 50/1,613,832 alleles · very rare
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.00398% 25,107
Remaining individualsnot grpmax-eligible 0.0032% 31,239
African / African-American 0.00134% 74,884

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.Val1331=
Coding
c.3993G>A
MANE Select
NM_144670
dbSNP
rs762194080
Type
single nucleotide variant
Location
chr12:8868289 (GRCh38)
Gene constraint
LOEUF 0.953 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 80.61 · 5 PDB
Residue 1331
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-val1331 (accessed [today's date]).

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