Is DSP p.Arg1113= (c.3339A>T) pathogenic?

DSP p.Arg1113= (c.3339A>T) is classified Benign/Likely benign in DSP (ClinVar, Multiple submitters, 3 submitters; last evaluated 2025-04-22). Very rare (popmax 0.00133%, afr); Associated with Cardiovascular phenotype.

What condition is associated with DSP p.Arg1113= (c.3339A>T)?

DSP p.Arg1113= (c.3339A>T) is associated with Cardiovascular phenotype, cardiomyopathy, arrhythmogenic cardiomyopathy with wooly hair and keratoderma (ClinVar).

How common is DSP p.Arg1113= (c.3339A>T) in the general population?

DSP p.Arg1113= (c.3339A>T) is very rare (popmax 0.00133%, afr) (gnomAD).

DSP p.Arg1113=

c.3339A>T · rs142413512 · VCV1730371

Benign/Likely benign Multiple submitters

Classification

Benign/Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 3 submitters

gnomAD v4.1

Rare

very rare (popmax 0.00133%, afr)

Conditions

Cardiovascular phenotype

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
Conservation	phyloP -1.1	GERP -1.8
Overall
CADD	1.303	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00133% African / African-American · 1/74,920 alleles

Overall 6.2e-05% 1/1,613,866 alleles · very rare exomes 0/1,461,698 · genomes 1/152,168 · joint denominator

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: DSP
Protein: p.Arg1113=
Coding: c.3339A>T
MANE Select: NM_004415
dbSNP: rs142413512
Type: single nucleotide variant
Location: chr6:7579529 (GRCh38)
Gene constraint: LOEUF 0.443 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 1113: a UniProt-annotated variant site (in arvd8; uncertain significance); a UniProt-annotated variant site (in dcwhkta; uncertain significance); the 'central fibrous rod domain' region; the 'binds to telomeres' region; a UniProt-annotated variant site (in arvd8; likely pathogenic; results in an unstable protein that forms perinuclear aggregates); a UniProt-annotated variant site (in arvd8 and dcwhkta; uncertain significance); a UniProt-annotated variant site (in arvd8)

Full DSP 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 cardiomyopathy with wooly hair and keratoderma arrhythmogenic right ventricular dysplasia 8

Similar variants

DSP p.Arg1113Ter Pathogenic/Likely pathogenic ★★ same residue
DSP p.Arg1113Gln Conflicting classifications of pathogenicity ★ same residue
DSP p.Arg1113Pro Uncertain significance ★ same residue
DSP p.Arg1113fs Pathogenic ★★ same residue
DSP c.1141-2A>T Likely pathogenic ★★ same condition
DSP c.1266+2T>C Likely pathogenic ★★ same condition
DSP c.1574+1G>A Likely pathogenic ★★ same condition
DSP c.2130+1G>A 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/dsp-p-arg1113 (accessed [today's date]).

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