Is DTHD1 p.Val433= (c.1299A>G) pathogenic?

DTHD1 p.Val433= (c.1299A>G) is classified Likely benign in DTHD1 (ClinVar, Single submitter, 1 submitter; last evaluated 2022-04-11). Very rare (popmax 0.00201%, nfe).

How common is DTHD1 p.Val433= (c.1299A>G) in the general population?

DTHD1 p.Val433= (c.1299A>G) is very rare (popmax 0.00201%, nfe) (gnomAD).

DTHD1 p.Val433=

c.1299A>G · rs1756213370 · VCV2124738

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00201%, nfe)

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 -0.5	GERP -4.2, phastCons 0.001
Overall
CADD	0.671	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00201% European (non-Finnish) · 23/1,145,682 alleles

Filtering AF 0.00134% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00112%

Overall 0.00172% 24/1,397,428 alleles · very rare

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.00201%	49,812
Remaining individualsnot grpmax-eligible	0.00167%	60,002

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: DTHD1
Protein: p.Val433=
Coding: c.1299A>G
MANE Select: NM_001170700
dbSNP: rs1756213370
Type: single nucleotide variant
Location: chr4:36293606 (GRCh38)
Gene constraint: LOEUF 1.034 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 69.99
Residue 433: the zu5 2 domain

Full DTHD1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

DTHD1 c.1218+1G>A Uncertain significance ★★ same type
DTHD1 c.1219-2A>G Uncertain significance ★★ same type
DTHD1 p.Ala552Ser Uncertain significance ★★ ⚠ same type
DTHD1 p.Ala811Asp Uncertain significance ★★ ⚠ same type
DTHD1 p.Arg326Gln Uncertain significance ★★ ⚠ same type
DTHD1 p.Arg371Cys Uncertain significance ★★ ⚠ same type
DTHD1 p.Arg447Gln Uncertain significance ★★ ⚠ same type
DTHD1 p.Arg447Ter 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/dthd1-p-val433 (accessed [today's date]).

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