Is DSG2 p.Ala613Thr (c.1837G>A) pathogenic?

DSG2 p.Ala613Thr (c.1837G>A) is classified Uncertain significance in DSG2 (ClinVar, Multiple submitters, 8 submitters; last evaluated 2025-11-24). AlphaMissense: likely benign (0.1677); Very rare (popmax 0.00667%, afr); Associated with Cardiovascular phenotype.

What condition is associated with DSG2 p.Ala613Thr (c.1837G>A)?

DSG2 p.Ala613Thr (c.1837G>A) is associated with Cardiovascular phenotype, cardiomyopathy, arrhythmogenic right ventricular dysplasia 10 (ClinVar).

How common is DSG2 p.Ala613Thr (c.1837G>A) in the general population?

DSG2 p.Ala613Thr (c.1837G>A) is very rare (popmax 0.00667%, afr) (gnomAD).

What do computational predictors say about DSG2 p.Ala613Thr (c.1837G>A)?

AlphaMissense predicts likely benign (score 0.1677) — an in-silico prediction, not a clinical call.

DSG2 p.Ala613Thr

c.1837G>A · rs368257724 · VCV44288

Uncertain significance Multiple submitters

Classification

Uncertain significance

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 8 submitters

AlphaMissense

likely benign

0.1677 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.00667%, afr)

Missense predictors

0/2 damaging

AlphaMissense, SaProt · REVEL no call

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
AlphaMissense	0.1677	likely benign
REVEL	0.3	indeterminate
SaProt	LLR -8.64	tolerated
⇒ 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
Conservation	phyloP 5.1	GERP 1.9, phastCons 1
Regional constraint	o/e 0.93	unconstrained · MANE · 48 kb · p 0.014 · regional, not allelic
Overall
CADD	22.0	PHRED · 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 0.00667% African / African-American · 5/74,920 alleles

Filtering AF 0.00255% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00161%

Overall 0.00136% 22/1,613,886 alleles · very rare

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.00667%	14,984
Remaining individualsnot grpmax-eligible	0.0032%	31,243
European (non-Finnish)	0.00119%	84,288
South Asian	0.0011%	91,074

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: DSG2
Protein: p.Ala613Thr
Coding: c.1837G>A
MANE Select: NM_001943
dbSNP: rs368257724
Type: single nucleotide variant
Location: chr18:31538936 (GRCh38)
Gene constraint: LOEUF 0.764 · pLI <0.01 · ClinGen HI 2/3 (gnomAD)
Structure: AlphaFold pLDDT 65.27 · 12 PDB
Residue 613: a UniProt-annotated variant site (in arvd10; uncertain significance; evidence of residual myocardium, fibrous tissue, fatty tissue, dysmetric and dysmorphic nuclei and prominent cytoplasmic vacuolization; decreases the number of desmosomes at intercalated disks also increases desmosome gap; smaller intercellular gaps, with repeating couplings, abnormally located desmosomes and pale internal plaques)

Full DSG2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Cardiovascular phenotype — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: cardiomyopathy arrhythmogenic right ventricular dysplasia 10 arrhythmogenic right ventricular cardiomyopathy

Similar variants

DSG2 c.1423+1G>T Likely pathogenic ★★ same condition
DSG2 c.1424-1G>A Likely pathogenic ★★ same condition
DSG2 c.523+1G>T Pathogenic/Likely pathogenic ★★ same condition
DSG2 c.690+1G>A Pathogenic ★★ same condition
DSG2 c.81+1G>T Likely pathogenic ★★ same condition
DSG2 c.829-2A>T Likely pathogenic ★★ same condition
DSG2 p.Arg46Gln Pathogenic/Likely pathogenic ★★ same condition
DSG2 p.Arg46Trp Pathogenic/Likely pathogenic ★★ same condition

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/dsg2-p-ala613thr (accessed [today's date]).

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