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A2ML1 p.Arg610Cys

c.1828C>T · rs375392265 · VCV1780882

Uncertain significance Multiple submitters
Classification
Uncertain significance
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
AlphaMissense
likely benign
0.2238 · ACMG-weighted
gnomAD v4.1
Rare
ultra-rare (popmax 0.0165%, mid)
Missense predictors
1/3 damaging
AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense0.2238likely benign
REVEL0.125moderately benign-leaning
SaProtLLR -11.01damaging
⇒ SaProt calls this damaging; AlphaMissense and REVEL do not.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -0.18GERP -3
Regional constrainto/e 0.94unconstrained · MANE · 52 kb · p 0.02 · regional, not allelic
Overall
CADD12.96PHRED · no single calibrated threshold — expert panels disagree

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

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0165% Middle Eastern · 1/6,072 alleles
Filtering AF 0.00432% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00298%
Overall 0.0018% 29/1,610,288 alleles · ultra-rare
Ancestry group Frequency 1 in
Middle Easterngrpmax 0.0165% 6,072
Admixed American 0.0101% 9,887
Remaining individualsnot grpmax-eligible 0.00963% 10,385
African / African-American 0.00134% 74,682
European (non-Finnish) 0.00119% 84,185
South Asian 0.00111% 90,486

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.Arg610Cys
Coding
c.1828C>T
MANE Select
NM_144670
dbSNP
rs375392265
Type
single nucleotide variant
Location
chr12:8847693 (GRCh38)
Gene constraint
LOEUF 0.953 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 80.61 · 5 PDB
Residue 610
an α-helix; 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-arg610cys (accessed [today's date]).

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