Is DOK7 p.Pro301= (c.903A>C) pathogenic?

DOK7 p.Pro301= (c.903A>C) is classified Likely benign in DOK7 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-01-05). Very rare (popmax 0.00809%, nfe); Associated with congenital myasthenic syndrome 10.

What condition is associated with DOK7 p.Pro301= (c.903A>C)?

DOK7 p.Pro301= (c.903A>C) is associated with congenital myasthenic syndrome 10, fetal akinesia deformation sequence 1 (ClinVar).

How common is DOK7 p.Pro301= (c.903A>C) in the general population?

DOK7 p.Pro301= (c.903A>C) is very rare (popmax 0.00809%, nfe) (gnomAD).

DOK7 p.Pro301=

c.903A>C · rs145040126 · VCV711225

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00809%, nfe)

Conditions

congenital myasthenic syndrome 10

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 1.7	GERP -1.3, phastCons 0.76
Overall
CADD	2.238	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00809% European (non-Finnish) · 95/1,174,016 alleles

Filtering AF 0.00676% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00628%

Overall 0.00632% 101/1,597,256 alleles · very rare exomes 91/1,445,088 · genomes 10/152,168 · joint denominator

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.00809%	12,358
Remaining individualsnot grpmax-eligible	0.00646%	15,472
African / African-American	0.00268%	37,308

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: DOK7
Protein: p.Pro301=
Coding: c.903A>C
MANE Select: NM_173660
dbSNP: rs145040126
Type: single nucleotide variant
Location: chr4:3492889 (GRCh38)
Gene constraint: LOEUF 1.658 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 65.61
Residue 301: the 'disordered' region

Full DOK7 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

congenital myasthenic syndrome 10 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: fetal akinesia deformation sequence 1

Similar variants

DOK7 c.331+1G>T Pathogenic ★★ same condition
DOK7 c.332-1G>A Likely pathogenic ★★ same condition
DOK7 c.332-1G>C Likely pathogenic ★★ same condition
DOK7 c.332-1G>T Likely pathogenic ★★ same condition
DOK7 p.Arg158Gln Pathogenic/Likely pathogenic ★★ same condition
DOK7 p.Arg201Ter Pathogenic ★★ same condition
DOK7 p.Cys412Ter Pathogenic ★★ same condition
DOK7 p.Gln151Ter 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/dok7-p-pro301 (accessed [today's date]).

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