Is DNAH8 p.Ser4656Phe (c.13967C>T) pathogenic?

DNAH8 p.Ser4656Phe (c.13967C>T) is classified Uncertain significance in DNAH8 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-12-11). AlphaMissense: likely pathogenic (0.7029); Absent from gnomAD v4.1; Associated with primary ciliary dyskinesia.

What condition is associated with DNAH8 p.Ser4656Phe (c.13967C>T)?

DNAH8 p.Ser4656Phe (c.13967C>T) is associated with primary ciliary dyskinesia (ClinVar).

How common is DNAH8 p.Ser4656Phe (c.13967C>T) in the general population?

DNAH8 p.Ser4656Phe (c.13967C>T) is absent from gnomAD v4.1 (gnomAD).

How is Primary ciliary dyskinesia inherited?

Typically Autosomal dominant, Autosomal recessive (Orphanet). A genetic counselor can assess individual risk for a family.

What do computational predictors say about DNAH8 p.Ser4656Phe (c.13967C>T)?

AlphaMissense predicts likely pathogenic (score 0.7029) — an in-silico prediction, not a clinical call.

DNAH8 p.Ser4656Phe

c.13967C>T · VCV4745785

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.7029 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

1/2 damaging

AlphaMissense, REVEL

Conditions

primary ciliary dyskinesia

Computational evidence

Protein change
AlphaMissense	0.7029	likely pathogenic
REVEL	0.13	moderately benign-leaning
⇒ AlphaMissense calls this damaging; REVEL does not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.6	GERP 2.1, phastCons 1
Regional constraint	o/e 0.92	unconstrained · MANE · 112 kb · p 0.0022 · regional, not allelic
Overall
CADD	21.7	PHRED · no single calibrated threshold — expert panels disagree

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

⚠ Isoform check: AlphaMissense numbered on a different transcript (AM S4439F vs ClinVar S4656F) — verify the residue.

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: DNAH8
Protein: p.Ser4656Phe
Coding: c.13967C>T
MANE Select: NM_001206927
Type: single nucleotide variant
Location: chr6:39030235 (GRCh38)
Gene constraint: LOEUF 0.692 · pLI <0.01 (gnomAD)

Full DNAH8 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

primary ciliary dyskinesia — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Primary ciliary dyskinesia (Orphanet):

Inheritance: Autosomal dominant, Autosomal recessive, X-linked recessive
Onset: Neonatal
Prevalence: 1-5 / 10 000 (Pakistan)

Similar variants

DNAH8 p.Ser4656Ala Uncertain significance ★ ⚠ same residue
DNAH8 c.10963-1G>A Likely pathogenic ★★ same condition
DNAH8 c.11563+1G>T Likely pathogenic ★★ same condition
DNAH8 c.2664+2T>C Likely pathogenic ★★ same condition
DNAH8 c.5734-1G>T Likely pathogenic ★★ same condition
DNAH8 p.Arg1090Ter Pathogenic/Likely pathogenic ★★ same condition
DNAH8 p.Arg207Ter Pathogenic/Likely pathogenic ★★ same condition
DNAH8 p.Arg2878Ter 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/dnah8-p-ser4656phe (accessed [today's date]).

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