Is DNHD1 p.Arg3776His (c.11327G>A) pathogenic?

DNHD1 p.Arg3776His (c.11327G>A) is classified Likely benign in DNHD1 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-12-04). AlphaMissense: likely benign (0.0712); Ultra-rare (popmax 0.0134%, amr).

How common is DNHD1 p.Arg3776His (c.11327G>A) in the general population?

DNHD1 p.Arg3776His (c.11327G>A) is ultra-rare (popmax 0.0134%, amr) (gnomAD).

What do computational predictors say about DNHD1 p.Arg3776His (c.11327G>A)?

AlphaMissense predicts likely benign (score 0.0712) — an in-silico prediction, not a clinical call.

DNHD1 p.Arg3776His

c.11327G>A · VCV3504115

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0712 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.0134%, amr)

Missense predictors

0/2 damaging

AlphaMissense, REVEL

Computational evidence

Protein change
AlphaMissense	0.0712	likely benign
REVEL	0.015	strongly benign-leaning
⇒ AlphaMissense and REVEL both call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.18	GERP -2.9, phastCons 0.002
Regional constraint	o/e 0.86	unconstrained · MANE · 3,984 bp · p 0.00012 · regional, not allelic
Overall
CADD	5.594	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0134% Admixed American · 8/59,734 alleles

Filtering AF 0.00664% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00484%

Overall 0.00118% 19/1,612,016 alleles · ultra-rare

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0134%	7,467
East Asian	0.00446%	22,436
South Asian	0.00331%	30,205
European (non-Finnish)	0.000509%	196,507

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: DNHD1
Protein: p.Arg3776His
Coding: c.11327G>A
MANE Select: NM_144666
Type: single nucleotide variant
Location: chr11:6566707 (GRCh38)
Gene constraint: LOEUF 0.897 · pLI <0.01 (gnomAD)
Residue 3776: a UniProt-annotated variant site (in spgf65); a UniProt-annotated variant site (in spgf65; low expression, if any, in sperm flagella)

Full DNHD1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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DNHD1 p.Glu1153Ter Pathogenic/Likely pathogenic ★★ same type
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DNHD1 p.Arg1582Trp Uncertain significance ★★ same type
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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/dnhd1-p-arg3776his (accessed [today's date]).

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