Is NEFL p.Ala207= (c.621C>T) pathogenic?

NEFL p.Ala207= (c.621C>T) is classified Likely benign in NEFL (ClinVar, Single submitter, 1 submitter; last evaluated 2024-12-09). Ultra-rare (popmax 0.0312%, eas); Associated with Charcot-Marie-Tooth disease type 2E.

What condition is associated with NEFL p.Ala207= (c.621C>T)?

NEFL p.Ala207= (c.621C>T) is associated with Charcot-Marie-Tooth disease type 2E (ClinVar).

How common is NEFL p.Ala207= (c.621C>T) in the general population?

NEFL p.Ala207= (c.621C>T) is ultra-rare (popmax 0.0312%, eas) (gnomAD).

NEFL p.Ala207=

Q: How is Autosomal dominant Charcot-Marie-Tooth disease type 2E inherited?

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

c.621C>T · rs763294014 · VCV1105267

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

ultra-rare (popmax 0.0312%, eas)

Conditions

Charcot-Marie-Tooth disease type 2E

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 -8	GERP -3.8
Overall
CADD	1.04	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0312% East Asian · 14/44,852 alleles

Filtering AF 0.0188% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0151%

Overall 0.000934% 15/1,606,090 alleles · ultra-rare exomes 12/1,453,780 · genomes 3/152,310 · joint denominator

Ancestry group	Frequency	1 in
East Asiangrpmax	0.0312%	3,204
Remaining individualsnot grpmax-eligible	0.0016%	62,418

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: NEFL
Protein: p.Ala207=
Coding: c.621C>T
MANE Select: NM_006158
dbSNP: rs763294014
Type: single nucleotide variant
Location: chr8:24955895 (GRCh38)
Gene constraint: LOEUF 0.986 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 73.66
Residue 207: the if rod domain; the 'coil 1b' region

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

Disease context

Charcot-Marie-Tooth disease type 2E — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Autosomal dominant Charcot-Marie-Tooth disease type 2E (Orphanet):

Inheritance: Autosomal dominant
Onset: Adolescent, Adult, Childhood, Infancy

Similar variants

NEFL p.Ala207Pro Uncertain significance ★ ⚠ same residue
NEFL p.Ala207_Glu208insAspGluAlaAlaLeuAlaArgAla Uncertain significance ★ same residue
NEFL p.Arg399Ter Pathogenic/Likely pathogenic ★★ same condition
NEFL p.Arg421Ter Pathogenic ★★ same condition
NEFL p.Asn98Ser Pathogenic/Likely pathogenic ★★ same condition
NEFL p.Glu186Ter Pathogenic/Likely pathogenic ★★ same condition
NEFL p.Glu396Lys Pathogenic ★★ same condition
NEFL p.Glu90Lys 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/nefl-p-ala207 (accessed [today's date]).

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