Is EPHB4 p.Val301Ile (c.901G>A) pathogenic?

EPHB4 p.Val301Ile (c.901G>A) is classified Likely benign in EPHB4 (ClinVar, Single submitter, 1 submitter; last evaluated 2022-01-11). AlphaMissense: likely benign (0.0775); Very rare (popmax 0.00834%, amr); Associated with Cardiovascular phenotype.

What condition is associated with EPHB4 p.Val301Ile (c.901G>A)?

EPHB4 p.Val301Ile (c.901G>A) is associated with Cardiovascular phenotype (ClinVar).

How common is EPHB4 p.Val301Ile (c.901G>A) in the general population?

EPHB4 p.Val301Ile (c.901G>A) is very rare (popmax 0.00834%, amr) (gnomAD).

What do computational predictors say about EPHB4 p.Val301Ile (c.901G>A)?

AlphaMissense predicts likely benign (score 0.0775) — an in-silico prediction, not a clinical call.

EPHB4 p.Val301Ile

c.901G>A · rs749289689 · VCV1765501

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0775 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.00834%, amr)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
AlphaMissense	0.0775	likely benign
REVEL	0.081	moderately benign-leaning
SaProt	LLR -7.87	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP -3.4	GERP -5
Regional constraint	o/e 0.88	unconstrained · MANE · 14 kb · p 0.00047 · regional, not allelic
Overall
CADD	0.027	PHRED · no single calibrated threshold — expert panels disagree

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

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00834% Admixed American · 5/59,986 alleles

Filtering AF 0.00323% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00207%

Overall 0.00149% 24/1,613,988 alleles · very rare exomes 22/1,461,826 · genomes 2/152,162 · joint denominator

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.00834%	11,997
Remaining individualsnot grpmax-eligible	0.0048%	20,829
Ashkenazi Jewishnot grpmax-eligible	0.00338%	29,606
African / African-American	0.00267%	37,463
South Asian	0.0011%	91,078
European (non-Finnish)	0.00102%	98,336

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.Val301Ile
Coding: c.901G>A
MANE Select: NM_004444
dbSNP: rs749289689
Type: single nucleotide variant
Location: chr7:100820204 (GRCh38)
Gene constraint: LOEUF 0.645 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 82.46 · 23 PDB
Residue 301: a UniProt-annotated variant site (in cmavm2)

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 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
EPHB4 p.Arg148Trp Uncertain significance ★★ ⚠ same condition
EPHB4 p.Arg310Gln Uncertain significance ★★ ⚠ same condition
EPHB4 p.Arg483Gln Uncertain significance ★★ ⚠ same condition
EPHB4 p.Arg499Gln 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-val301ile (accessed [today's date]).

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