Is DSP p.Ser987Pro (c.2959T>C) pathogenic?

DSP p.Ser987Pro (c.2959T>C) is classified Likely pathogenic in DSP (ClinVar, No assertion criteria, 1 submitter; last evaluated 2009-08-17). AlphaMissense: likely pathogenic (0.6531); Absent from gnomAD v4.1; Associated with arrhythmogenic right ventricular cardiomyopathy.

What condition is associated with DSP p.Ser987Pro (c.2959T>C)?

DSP p.Ser987Pro (c.2959T>C) is associated with arrhythmogenic right ventricular cardiomyopathy (ClinVar).

How common is DSP p.Ser987Pro (c.2959T>C) in the general population?

DSP p.Ser987Pro (c.2959T>C) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about DSP p.Ser987Pro (c.2959T>C)?

AlphaMissense predicts likely pathogenic (score 0.6531) — an in-silico prediction, not a clinical call.

DSP p.Ser987Pro

c.2959T>C · rs397516929 · VCV44888

Likely pathogenic No assertion criteria

Classification

Likely pathogenic

ClinVar

Review

No assertion criteria ☆☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.6531 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

2/2 damaging

AlphaMissense, REVEL

Conditions

arrhythmogenic right ventricular cardiomyopathy

Computational evidence

Protein change
AlphaMissense	0.6531	likely pathogenic ✓ concordant with ClinVar
REVEL	0.93	moderately pathogenic-leaning
⇒ AlphaMissense and REVEL both call this damaging.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.8	GERP 1.5, phastCons 1
Regional constraint	o/e 0.93	unconstrained · MANE · 12 kb · p 0.0024 · regional, not allelic
Overall
CADD	26.5	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

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: DSP
Protein: p.Ser987Pro
Coding: c.2959T>C
MANE Select: NM_004415
dbSNP: rs397516929
Type: single nucleotide variant
Location: chr6:7577860 (GRCh38)
Gene constraint: LOEUF 0.443 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 987: a UniProt-annotated variant site (in arvd8; uncertain significance); a UniProt-annotated variant site (in dcwhkta; uncertain significance); the 'globular 1' 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

arrhythmogenic right ventricular cardiomyopathy — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

DSP p.Ser987Thr Conflicting classifications of pathogenicity ★ ⚠ same residue
DSP c.1141-2A>T Likely pathogenic ★★ same condition
DSP c.2437-1G>C Likely pathogenic ★★ same condition
DSP c.778-2A>G Likely pathogenic ★★ same condition
DSP c.939+1G>A Pathogenic/Likely pathogenic ★★ same condition
DSP p.Arg1045Ter Pathogenic/Likely pathogenic ★★ same condition
DSP p.Arg160Ter Pathogenic/Likely pathogenic ★★ same condition
DSP p.Arg1951Ter 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-ser987pro (accessed [today's date]).

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