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A2ML1 p.Asp758=

c.2274C>T · rs762980682 · VCV1156227

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0174%, afr)

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 -3.6GERP -3.6
Overall
CADD5.664PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0174% African / African-American · 13/74,926 alleles
Filtering AF 0.0103% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00813%
Overall 0.00204% 33/1,614,066 alleles · ultra-rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.0174% 5,764
Admixed American 0.005% 19,999
Remaining individualsnot grpmax-eligible 0.0032% 31,241
Finnishnot grpmax-eligible 0.00156% 64,036
European (non-Finnish) 0.00119% 84,289

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.Asp758=
Coding
c.2274C>T
MANE Select
NM_144670
dbSNP
rs762980682
Type
single nucleotide variant
Location
chr12:8851823 (GRCh38)
Gene constraint
LOEUF 0.953 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 80.61 · 5 PDB
Residue 758
a disulfide bond; 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-asp758 (accessed [today's date]).

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