Is DSP p.Pro134= (c.402C>T) pathogenic?

DSP p.Pro134= (c.402C>T) is classified Likely benign in DSP (ClinVar, Multiple submitters, 2 submitters; last evaluated 2021-04-15). Very rare (popmax 0.00533%, afr); Associated with Cardiovascular phenotype.

How common is DSP p.Pro134= (c.402C>T) in the general population?

DSP p.Pro134= (c.402C>T) is very rare (popmax 0.00533%, afr) (gnomAD).

DSP p.Pro134=

Q: What condition is associated with DSP p.Pro134= (c.402C>T)?

DSP p.Pro134= (c.402C>T) is associated with Cardiovascular phenotype, arrhythmogenic cardiomyopathy with wooly hair and keratoderma, arrhythmogenic right ventricular dysplasia 8 (ClinVar).

c.402C>T · rs373685989 · VCV413266

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

very rare (popmax 0.00533%, afr)

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP -0.72	GERP -2.4, phastCons 0.009
Overall
CADD	7.886	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00533% African / African-American · 4/75,066 alleles

Filtering AF 0.00174% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00104%

Overall 0.000248% 4/1,614,166 alleles · very rare exomes 4/1,461,836 · genomes 0/152,330 · 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.Pro134=
Coding: c.402C>T
MANE Select: NM_004415
dbSNP: rs373685989
Type: single nucleotide variant
Location: chr6:7558244 (GRCh38)
Gene constraint: LOEUF 0.443 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 134: the 'globular 1' region; the 'interaction with mapre1' region; the 'interaction with jup and pkp2' region; a UniProt-annotated variant site (in arvd8; uncertain significance)

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: arrhythmogenic cardiomyopathy with wooly hair and keratoderma arrhythmogenic right ventricular dysplasia 8

Similar variants

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
DSP c.2297+1G>A Likely pathogenic ★★ same condition
DSP c.2298-1G>C Likely pathogenic ★★ same condition
DSP c.2298-2A>C Pathogenic/Likely pathogenic ★★ same condition
DSP c.2437-1G>C 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-pro134 (accessed [today's date]).

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