Is DNAJC6 p.Ala770= (c.2310G>A) pathogenic?

DNAJC6 p.Ala770= (c.2310G>A) is classified Likely benign in DNAJC6 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-03-07). Ultra-rare (popmax 0.0165%, mid); Associated with juvenile onset Parkinson disease 19A.

What condition is associated with DNAJC6 p.Ala770= (c.2310G>A)?

DNAJC6 p.Ala770= (c.2310G>A) is associated with juvenile onset Parkinson disease 19A (ClinVar).

How common is DNAJC6 p.Ala770= (c.2310G>A) in the general population?

DNAJC6 p.Ala770= (c.2310G>A) is ultra-rare (popmax 0.0165%, mid) (gnomAD).

How is Atypical juvenile parkinsonism inherited?

Typically Autosomal recessive, Not applicable (Orphanet). A genetic counselor can assess individual risk for a family.

DNAJC6 p.Ala770=

c.2310G>A · rs113490907 · VCV766835

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0165%, mid)

Conditions

juvenile onset Parkinson disease 19A

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 -2.7	GERP -9.8
Overall
CADD	3.348	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0165% Middle Eastern · 1/6,062 alleles

Filtering AF 0.00543% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0038%

Overall 0.00229% 37/1,614,174 alleles · ultra-rare

Ancestry group	Frequency	1 in
Middle Easterngrpmax	0.0165%	6,062
Admixed American	0.0117%	8,574
African / African-American	0.00533%	18,760
South Asian	0.0022%	45,539
European (non-Finnish)	0.00195%	51,306

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: DNAJC6
Protein: p.Ala770=
Coding: c.2310G>A
MANE Select: NM_001256864
dbSNP: rs113490907
Type: single nucleotide variant
Location: chr1:65405952 (GRCh38)
Gene constraint: LOEUF 0.416 · pLI 1.00 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 64.29
Residue 770: the 'disordered' region

Full DNAJC6 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

juvenile onset Parkinson disease 19A — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Atypical juvenile parkinsonism (Orphanet):

Inheritance: Autosomal recessive, Not applicable
Onset: Adolescent, Adult

Similar variants

DNAJC6 p.Ala770Val Uncertain significance ★★ ⚠ same residue
DNAJC6 p.Arg330Ter Pathogenic ★★ same condition
DNAJC6 p.Ala226Val Uncertain significance ★★ ⚠ same condition
DNAJC6 p.Ala234Thr Uncertain significance ★★ ⚠ same condition
DNAJC6 p.Ala277Thr Uncertain significance ★★ ⚠ same condition
DNAJC6 p.Ala611Val Uncertain significance ★★ ⚠ same condition
DNAJC6 p.Ala626Val Uncertain significance ★★ ⚠ same condition
DNAJC6 p.Ala836Ser 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/dnajc6-p-ala770 (accessed [today's date]).

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