Is PKD1 p.Trp1405Ter (c.4214G>A) pathogenic?

PKD1 p.Trp1405Ter (c.4214G>A) is classified Pathogenic in PKD1 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2026-03-09). Absent from gnomAD v4.1; Associated with polycystic kidney disease 1.

What condition is associated with PKD1 p.Trp1405Ter (c.4214G>A)?

PKD1 p.Trp1405Ter (c.4214G>A) is associated with polycystic kidney disease 1 (ClinVar).

How common is PKD1 p.Trp1405Ter (c.4214G>A) in the general population?

PKD1 p.Trp1405Ter (c.4214G>A) is absent from gnomAD v4.1 (gnomAD).

How is Autosomal dominant polycystic kidney disease inherited?

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

PKD1 p.Trp1405Ter

c.4214G>A · rs2151798372 · VCV1699913

Pathogenic Multiple submitters

Classification

Pathogenic

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

Consequence

nonsense (stop-gain)

predicted LoF

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

polycystic kidney disease 1

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequence	nonsense (stop-gain)	predicted loss-of-function in a haploinsufficient gene (ClinGen)
NMD	predicted	premature termination codon in exon 15 of 46
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 3.3	GERP 1.7, phastCons 1
Overall
CADD	39.0	PHRED · no single calibrated threshold — expert panels disagree

Predicted loss-of-function is descriptive, not an applied PVS1 code.

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: PKD1
Protein: p.Trp1405Ter
Coding: c.4214G>A
MANE Select: NM_001009944
dbSNP: rs2151798372
Type: single nucleotide variant
Location: chr16:2110953 (GRCh38)
Gene constraint: LOEUF 0.364 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 1405: the pkd 9 domain

Full PKD1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

polycystic kidney disease 1 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Autosomal dominant polycystic kidney disease (Orphanet):

Inheritance: Autosomal dominant
Onset: Adolescent, Adult, Childhood
Prevalence: 1-5 / 10 000 (Europe)

Similar variants

PKD1 c.10619-2A>G Pathogenic ★★ same condition
PKD1 c.10821+1G>A Pathogenic/Likely pathogenic ★★ same condition
PKD1 c.10821+2T>G Pathogenic/Likely pathogenic ★★ same condition
PKD1 c.11017-10C>A Pathogenic/Likely pathogenic ★★ same condition
PKD1 c.11017-25A>C Likely pathogenic ★★ same condition
PKD1 c.11017-25A>G Likely pathogenic ★★ same condition
PKD1 c.11269+1G>C Pathogenic ★★ same condition
PKD1 c.11269+1G>T 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/pkd1-p-trp1405ter (accessed [today's date]).

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