Is DMAC1 p.Gln86Arg (c.257A>G) pathogenic?

DMAC1 p.Gln86Arg (c.257A>G) is classified Uncertain significance in DMAC1 (ClinVar, Single submitter, 1 submitter; last evaluated 2021-06-21). Very rare (popmax 0.00267%, afr).

How common is DMAC1 p.Gln86Arg (c.257A>G) in the general population?

DMAC1 p.Gln86Arg (c.257A>G) is very rare (popmax 0.00267%, afr) (gnomAD).

DMAC1 p.Gln86Arg

c.257A>G · rs368682578 · VCV3082975

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00267%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.138	moderately benign-leaning
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 6.1	GERP 0.62, phastCons 1
Regional constraint	o/e 1.38	unconstrained · MANE · 1,158 bp · p 1.7e-06 · regional, not allelic
Overall
CADD	21.9	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00267% African / African-American · 2/74,830 alleles

Filtering AF 0.000444% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000166%

Overall 0.00031% 5/1,612,730 alleles · very rare

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.00267%	37,415
Admixed American	0.00167%	59,988
European (non-Finnish)	0.000169%	589,998

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: DMAC1
Protein: p.Gln86Arg
Coding: c.257A>G
MANE Select: NM_033428
dbSNP: rs368682578
Type: single nucleotide variant
Location: chr9:7799478 (GRCh38)
Gene constraint: LOEUF 1.842 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 60.00

Full DMAC1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

DMAC1 p.Ala21Gly Uncertain significance ★ same type
DMAC1 p.Ala24Gly Uncertain significance ★ same type
DMAC1 p.Ala30Ser Uncertain significance ★ same type
DMAC1 p.Ala39Gly Uncertain significance ★ same type
DMAC1 p.Arg110Cys Uncertain significance ★ same type
DMAC1 p.Arg110His Uncertain significance ★ same type
DMAC1 p.Arg42His Uncertain significance ★ same type
DMAC1 p.Pro32Ala Uncertain significance ★ same type

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/dmac1-p-gln86arg (accessed [today's date]).

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