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CAD p.Val239Phe

c.715G>T · rs143980497 · VCV2421665

Uncertain significance Multiple submitters
Classification
Uncertain significance
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
AlphaMissense
likely benign
0.1609 · ACMG-weighted
gnomAD v4.1
Rare
ultra-rare (popmax 0.028%, afr)
Missense predictors
0/2 damaging
AlphaMissense, SaProt · REVEL no call
Conditions
1
Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense0.1609likely benign
REVEL0.433indeterminate
SaProtLLR -5.68tolerated
⇒ AlphaMissense and SaProt both call this tolerated; REVEL makes no call.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 6.7GERP 1, phastCons 1
Regional constrainto/e 0.93unconstrained · MANE · 5,475 bp · p 0.17 · regional, not allelic
Overall
CADD16.62PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

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

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.028% African / African-American · 21/74,922 alleles
Filtering AF 0.0188% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0157%
Overall 0.00142% 23/1,614,076 alleles · ultra-rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.028% 3,568
Remaining individualsnot grpmax-eligible 0.0032% 31,243

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
CAD
Protein
p.Val239Phe
Coding
c.715G>T
MANE Select
NM_004341
dbSNP
rs143980497
Type
single nucleotide variant
Location
chr2:27222943 (GRCh38)
Gene constraint
LOEUF 0.409 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 87.25 · 57 PDB
Residue 239
the glutamine amidotransferase type-1 domain; the 'gatase (glutamine amidotransferase)' region
Full CAD 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/cad-p-val239phe (accessed [today's date]).

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