Is DYSF p.Pro271Ala (c.811C>G) pathogenic?

DYSF p.Pro271Ala (c.811C>G) is classified Uncertain significance in DYSF (ClinVar, Single submitter, 1 submitter; last evaluated 2021-12-17). AlphaMissense: likely benign (0.1251); Absent from gnomAD v4.1.

How common is DYSF p.Pro271Ala (c.811C>G) in the general population?

DYSF p.Pro271Ala (c.811C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about DYSF p.Pro271Ala (c.811C>G)?

AlphaMissense predicts likely benign (score 0.1251) — an in-silico prediction, not a clinical call.

DYSF p.Pro271Ala

c.811C>G · rs367785538 · VCV2441133

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.1251 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

1/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.1251	likely benign
REVEL	0.697	pathogenic-leaning
SaProt	LLR -8.57	tolerated
⇒ REVEL calls this damaging; AlphaMissense and SaProt do not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.6	GERP 2.1, phastCons 1
Regional constraint	o/e 1.02	unconstrained · MANE · 85 kb · p 0.54 · regional, not allelic
Overall
CADD	24.6	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

⚠ Isoform check: AlphaMissense numbered on a different transcript (AM P239A vs ClinVar P271A) — verify the residue.

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: DYSF
Protein: p.Pro271Ala
Coding: c.811C>G
MANE Select: NM_001130987
dbSNP: rs367785538
Type: single nucleotide variant
Location: chr2:71515674 (GRCh38)
Gene constraint: LOEUF 0.836 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 79.25 · 11 PDB
Residue 271: a β-strand; the c2 2 domain

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

Similar variants

DYSF p.Pro271= Likely benign ★ same residue
DYSF p.Pro271Ser Uncertain significance ⚠ same residue
DYSF c.1003-3C>A Pathogenic ★★★ same type
DYSF c.1033+1G>A Pathogenic ★★★ same type
DYSF c.1033+4A>T Likely pathogenic ★★★ same type
DYSF c.1033+5G>A Likely pathogenic ★★★ same type
DYSF c.1149+1G>A Pathogenic ★★★ same type
DYSF c.1149+1G>C Pathogenic ★★★ same type

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-pro271ala (accessed [today's date]).

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