Is DOK7 p.Arg261= (c.783C>G) pathogenic?

DOK7 p.Arg261= (c.783C>G) is classified Likely benign in DOK7 (ClinVar, Single submitter, 1 submitter; last evaluated 2021-05-30). Absent from gnomAD v4.1; Associated with congenital myasthenic syndrome 10.

What condition is associated with DOK7 p.Arg261= (c.783C>G)?

DOK7 p.Arg261= (c.783C>G) is associated with congenital myasthenic syndrome 10, fetal akinesia deformation sequence 1 (ClinVar).

How common is DOK7 p.Arg261= (c.783C>G) in the general population?

DOK7 p.Arg261= (c.783C>G) is absent from gnomAD v4.1 (gnomAD).

DOK7 p.Arg261=

c.783C>G · rs1366900661 · VCV1557827

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

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 0.043	GERP -0.084, phastCons 0.85
Overall
CADD	7.593	PHRED · no single calibrated threshold — expert panels disagree

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: DOK7
Protein: p.Arg261=
Coding: c.783C>G
MANE Select: NM_173660
dbSNP: rs1366900661
Type: single nucleotide variant
Location: chr4:3492769 (GRCh38)
Gene constraint: LOEUF 1.658 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 65.61
Residue 261: a UniProt-annotated variant site (in); 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 p.Arg261Cys Benign ★★ ⚠ same residue
DOK7 p.Arg261His Benign/Likely benign ★★ same residue
DOK7 p.Arg261Gly Conflicting classifications of pathogenicity ★ ⚠ 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

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-arg261 (accessed [today's date]).

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