Is DYSF p.Ala457= (c.1371G>C) pathogenic?

DYSF p.Ala457= (c.1371G>C) is classified Conflicting classifications of pathogenicity in DYSF (ClinVar, Conflicting submitters, 2 submitters; last evaluated 2025-02-13). Very rare (popmax 0.00195%, nfe); Associated with neuromuscular disease caused by qualitative or quantitative defects of dysferlin.

How common is DYSF p.Ala457= (c.1371G>C) in the general population?

DYSF p.Ala457= (c.1371G>C) is very rare (popmax 0.00195%, nfe) (gnomAD).

DYSF p.Ala457=

Q: What condition is associated with DYSF p.Ala457= (c.1371G>C)?

DYSF p.Ala457= (c.1371G>C) is associated with neuromuscular disease caused by qualitative or quantitative defects of dysferlin (ClinVar).

c.1371G>C · rs140667960 · VCV285154

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

very rare (popmax 0.00195%, nfe)

Conditions

neuromuscular disease caused by qualitative or quantitative defects of dysferlin

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal.
Splicing
SpliceAI	Δ0.37	donor loss, 12 bp away · masked 0 · deltas
Constraint at this position
Conservation	phyloP -5.7	GERP -4.3
Overall
CADD	0.452	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00195% European (non-Finnish) · 23/1,179,856 alleles

Filtering AF 0.0013% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00108%

Overall 0.00149% 24/1,613,760 alleles · very rare

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.00195%	51,298
Remaining individualsnot grpmax-eligible	0.0016%	62,478

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: DYSF
Protein: p.Ala457=
Coding: c.1371G>C
MANE Select: NM_001130987
dbSNP: rs140667960
Type: single nucleotide variant
Location: chr2:71528392 (GRCh38)
Gene constraint: LOEUF 0.836 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 79.25 · 11 PDB
Residue 457: the c2 3 domain

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

Disease context

neuromuscular disease caused by qualitative or quantitative defects of dysferlin — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

DYSF p.Ala457Val Conflicting classifications of pathogenicity ★ ⚠ same residue
DYSF c.1003-3C>A Pathogenic ★★★ same condition
DYSF c.1033+1G>A Pathogenic ★★★ same condition
DYSF c.1033+4A>T Likely pathogenic ★★★ same condition
DYSF c.1149+1G>A Pathogenic ★★★ same condition
DYSF c.1149+4A>G Pathogenic ★★★ same condition
DYSF c.1276+5G>A Pathogenic ★★★ same condition
DYSF c.1276+5G>C 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/dysf-p-ala457 (accessed [today's date]).

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