Is EPHB4 p.Ala143= (c.429G>A) pathogenic?

EPHB4 p.Ala143= (c.429G>A) is classified Likely benign in EPHB4 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-06-25). Ultra-rare (popmax 0.0193%, amr); Associated with Cardiovascular phenotype.

What condition is associated with EPHB4 p.Ala143= (c.429G>A)?

EPHB4 p.Ala143= (c.429G>A) is associated with Cardiovascular phenotype (ClinVar).

How common is EPHB4 p.Ala143= (c.429G>A) in the general population?

EPHB4 p.Ala143= (c.429G>A) is ultra-rare (popmax 0.0193%, amr) (gnomAD).

EPHB4 p.Ala143=

c.429G>A · rs759503338 · VCV2956004

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0193%, amr)

Conditions

Cardiovascular phenotype

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 -12	GERP -4.5
Overall
CADD	0.091	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0193% Admixed American · 11/57,052 alleles

Filtering AF 0.0108% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00832%

Overall 0.00222% 35/1,579,556 alleles · ultra-rare

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0193%	5,187
Middle Eastern	0.0167%	5,976
East Asian	0.00682%	14,653
South Asian	0.00341%	29,289
European (non-Finnish)	0.00138%	72,456
African / African-American	0.00135%	74,278

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: EPHB4
Protein: p.Ala143=
Coding: c.429G>A
MANE Select: NM_004444
dbSNP: rs759503338
Type: single nucleotide variant
Location: chr7:100822650 (GRCh38)
Gene constraint: LOEUF 0.645 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 82.46 · 23 PDB
Residue 143: a disulfide bond; a UniProt-annotated variant site (in cmavm2); the eph lbd domain

Full EPHB4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Cardiovascular phenotype — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

EPHB4 p.Ala143Gly Uncertain significance ★ same residue
EPHB4 p.Ala143Thr Uncertain significance ★ ⚠ same residue
EPHB4 p.Ala143Val Conflicting classifications of pathogenicity ★ ⚠ same residue
EPHB4 p.Ala143Glu Uncertain significance ★ ⚠ same residue
EPHB4 c.1870+5G>C Uncertain significance ★★ same condition
EPHB4 p.Ala262Val Uncertain significance ★★ ⚠ same condition
EPHB4 p.Ala345Gly Uncertain significance ★★ ⚠ same condition
EPHB4 p.Ala931Thr Uncertain significance ★★ ⚠ 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/ephb4-p-ala143 (accessed [today's date]).

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