Is ATL3 p.Pro26= (c.78A>G) pathogenic?

ATL3 p.Pro26= (c.78A>G) is classified Likely benign in ATL3 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-08-02). Very rare (popmax 0.000254%, nfe); Associated with neuropathy, hereditary sensory, type 1F.

What condition is associated with ATL3 p.Pro26= (c.78A>G)?

ATL3 p.Pro26= (c.78A>G) is associated with neuropathy, hereditary sensory, type 1F (ClinVar).

How common is ATL3 p.Pro26= (c.78A>G) in the general population?

ATL3 p.Pro26= (c.78A>G) is very rare (popmax 0.000254%, nfe) (gnomAD).

ATL3 p.Pro26=

Q: How is Hereditary sensory and autonomic neuropathy type 1 inherited?

Typically Autosomal dominant (Orphanet). A genetic counselor can assess individual risk for a family.

c.78A>G · rs2495709502 · VCV3001545

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.000254%, nfe)

Conditions

neuropathy, hereditary sensory, type 1F

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 -0.51	GERP -2.7, phastCons 0.12
Overall
CADD	9.257	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.000254% European (non-Finnish) · 3/1,180,026 alleles

Filtering AF 6.8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.9e-05%

Overall 0.000186% 3/1,614,196 alleles · very rare exomes 3/1,461,886 · genomes 0/152,310 · 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: ATL3
Protein: p.Pro26=
Coding: c.78A>G
MANE Select: NM_015459
dbSNP: rs2495709502
Type: single nucleotide variant
Location: chr11:63659221 (GRCh38)
Gene constraint: LOEUF 0.891 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 87.30 · 2 PDB
Residue 26: a β-strand

Full ATL3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

neuropathy, hereditary sensory, type 1F — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Hereditary sensory and autonomic neuropathy type 1 (Orphanet):

Inheritance: Autosomal dominant
Onset: All ages

Similar variants

ATL3 p.Pro26Ala Uncertain significance ★★ ⚠ same residue
ATL3 c.1035+1G>A Uncertain significance ★★ same condition
ATL3 c.46+1G>A Uncertain significance ★★ same condition
ATL3 c.619-4A>G Uncertain significance ★★ same condition
ATL3 c.711+1G>T Uncertain significance ★★ same condition
ATL3 c.850+5G>A Uncertain significance ★★ same condition
ATL3 p.Ala457Val Uncertain significance ★★ ⚠ same condition
ATL3 p.Ala508Thr Uncertain significance ★★ ⚠ 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/atl3-p-pro26 (accessed [today's date]).

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