Is PLEC p.Val474= (c.1422G>A) pathogenic?

PLEC p.Val474= (c.1422G>A) is classified Likely benign in PLEC (ClinVar, Single submitter, 1 submitter; last evaluated 2025-02-27). Absent from gnomAD v4.1; Associated with epidermolysis bullosa simplex with nail dystrophy.

What condition is associated with PLEC p.Val474= (c.1422G>A)?

PLEC p.Val474= (c.1422G>A) is associated with epidermolysis bullosa simplex with nail dystrophy, epidermolysis bullosa simplex 5A, Ogna type, epidermolysis bullosa simplex 5B, with muscular dystrophy (ClinVar).

How common is PLEC p.Val474= (c.1422G>A) in the general population?

PLEC p.Val474= (c.1422G>A) is absent from gnomAD v4.1 (gnomAD).

PLEC p.Val474=

c.1422G>A · rs2131953610 · VCV1125419

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

epidermolysis bullosa simplex with nail dystrophy

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 -5.1
Overall
CADD	3.722	PHRED · no single calibrated threshold — expert panels disagree

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: PLEC
Protein: p.Val474=
Coding: c.1422G>A
MANE Select: NM_201384
dbSNP: rs2131953610
Type: single nucleotide variant
Location: chr8:143933108 (GRCh38)
Gene constraint: LOEUF 0.726 · pLI <0.01 (gnomAD)
Residue 474: an α-helix; the 'globular 1' region

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

Disease context

epidermolysis bullosa simplex with nail dystrophy — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: epidermolysis bullosa simplex 5A, Ogna type epidermolysis bullosa simplex 5B, with muscular dystrophy epidermolysis bullosa simplex 5C, with pyloric atresia autosomal recessive limb-girdle muscular dystrophy type 2Q

Similar variants

PLEC p.Arg1490Ter Pathogenic/Likely pathogenic ★★ same condition
PLEC p.Arg1973Trp Pathogenic ★★ ⚠ same condition
PLEC p.Arg2027Ter Pathogenic ★★ same condition
PLEC p.Arg2292Ter Pathogenic ★★ same condition
PLEC p.Arg2324Ter Pathogenic ★★ same condition
PLEC p.Arg2394Ter Pathogenic ★★ same condition
PLEC p.Arg559Ter Pathogenic ★★ same condition
PLEC p.Gln1591Ter 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/plec-p-val474 (accessed [today's date]).

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