Is AMER3 p.Ala226Ser (c.676G>T) pathogenic?

AMER3 p.Ala226Ser (c.676G>T) is classified Likely benign in AMER3 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-05-26). AlphaMissense: likely benign (0.0697); Very rare (popmax 0.00017%, nfe).

How common is AMER3 p.Ala226Ser (c.676G>T) in the general population?

AMER3 p.Ala226Ser (c.676G>T) is very rare (popmax 0.00017%, nfe) (gnomAD).

What do computational predictors say about AMER3 p.Ala226Ser (c.676G>T)?

AlphaMissense predicts likely benign (score 0.0697) — an in-silico prediction, not a clinical call.

AMER3 p.Ala226Ser

c.676G>T · rs756148572 · VCV2552220

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0697 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.00017%, nfe)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.0697	likely benign
REVEL	0.038	moderately benign-leaning
SaProt	LLR -5.01	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.07	GERP -3.1, phastCons 0.001
Regional constraint	o/e 1.05	unconstrained · MANE · 2,582 bp · p 0.068 · regional, not allelic
Overall
CADD	0.121	PHRED · 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 0.00017% European (non-Finnish) · 2/1,179,094 alleles

Filtering AF 2.8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.1e-05%

Overall 0.00131% 2/152,212 alleles · very rare

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: AMER3
Protein: p.Ala226Ser
Coding: c.676G>T
MANE Select: NM_152698
dbSNP: rs756148572
Type: single nucleotide variant
Location: chr2:130762748 (GRCh38)
Structure: AlphaFold pLDDT 45.30

Full AMER3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

AMER3 p.Ala175Val Uncertain significance ★ ⚠ same type
AMER3 p.Ala25Thr Uncertain significance ★ ⚠ same type
AMER3 p.Ala345Ser Uncertain significance ★ ⚠ same type
AMER3 p.Ala402Asp Uncertain significance ★ ⚠ same type
AMER3 p.Ala557Thr Uncertain significance ★ ⚠ same type
AMER3 p.Ala55Thr Uncertain significance ★ ⚠ same type
AMER3 p.Ala579Thr Uncertain significance ★ ⚠ same type
AMER3 p.Ala588Pro Uncertain significance ★ ⚠ same type

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/amer3-p-ala226ser (accessed [today's date]).

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