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DRD4 p.Cys274=

c.822C>T · rs780104604 · VCV2641081

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.316%, 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
ConservationphyloP -0.042GERP -2.3
Overall
CADD4.139PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.316% European (non-Finnish) · 2,766/876,674 alleles
Filtering AF 0.306% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.302%
Overall 0.273% 3,026/1,109,442 alleles · rare exomes 2,955/977,554 · genomes 71/131,888 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.316% 317
Ashkenazi Jewishnot grpmax-eligible 0.283% 354
Remaining individualsnot grpmax-eligible 0.245% 409
Middle Eastern 0.162% 618
South Asian 0.116% 865
Admixed American 0.0738% 1,355
Finnishnot grpmax-eligible 0.0671% 1,491
East Asian 0.0399% 2,507
African / African-American 0.0298% 3,350

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
DRD4
Protein
p.Cys274=
Coding
c.822C>T
MANE Select
NM_000797
dbSNP
rs780104604
Type
single nucleotide variant
Location
chr11:640071 (GRCh38)
Gene constraint
LOEUF 1.952 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 78.06 · 2 PDB
Residue 274
the '4 x 16 aa approximate tandem repeats of [pa]-a-p-g-l-p-[pqr]-[dg]-p-c-g-p-d-c-a-p' region; a UniProt-annotated variant site (in allele d4.2)
Full DRD4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/drd4-p-cys274 (accessed [today's date]).

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