Is DOK7 p.Arg103= (c.309G>A) pathogenic?

DOK7 p.Arg103= (c.309G>A) is classified Likely benign in DOK7 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-05-22). Very rare (popmax 0.00173%, amr); Associated with congenital myasthenic syndrome 10.

What condition is associated with DOK7 p.Arg103= (c.309G>A)?

DOK7 p.Arg103= (c.309G>A) is associated with congenital myasthenic syndrome 10, fetal akinesia deformation sequence 1 (ClinVar).

How common is DOK7 p.Arg103= (c.309G>A) in the general population?

DOK7 p.Arg103= (c.309G>A) is very rare (popmax 0.00173%, amr) (gnomAD).

DOK7 p.Arg103=

c.309G>A · rs1383307604 · VCV2929083

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00173%, amr)

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 0.54	GERP -1.9, phastCons 1
Overall
CADD	7.719	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00173% Admixed American · 1/57,870 alleles

Overall 6.94e-05% 1/1,441,592 alleles · very rare

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.Arg103=
Coding: c.309G>A
MANE Select: NM_173660
dbSNP: rs1383307604
Type: single nucleotide variant
Location: chr4:3473614 (GRCh38)
Gene constraint: LOEUF 1.658 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 65.61
Residue 103: the ph domain

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 p.Arg103Gln Uncertain significance ★★ ⚠ same residue
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

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-arg103 (accessed [today's date]).

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