Is EPHB4 p.Arg328Trp (c.982C>T) pathogenic?

EPHB4 p.Arg328Trp (c.982C>T) is classified Uncertain significance in EPHB4 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-01-22). AlphaMissense: likely pathogenic (0.6518); Absent from gnomAD v4.1; Associated with Cardiovascular phenotype.

What condition is associated with EPHB4 p.Arg328Trp (c.982C>T)?

EPHB4 p.Arg328Trp (c.982C>T) is associated with Cardiovascular phenotype (ClinVar).

How common is EPHB4 p.Arg328Trp (c.982C>T) in the general population?

EPHB4 p.Arg328Trp (c.982C>T) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about EPHB4 p.Arg328Trp (c.982C>T)?

AlphaMissense predicts likely pathogenic (score 0.6518) — an in-silico prediction, not a clinical call.

EPHB4 p.Arg328Trp

c.982C>T · rs199701655 · VCV3224298

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.6518 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,546,676)

Missense predictors

2/2 damaging

AlphaMissense, SaProt · REVEL no call

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
AlphaMissense	0.6518	likely pathogenic
REVEL	0.511	indeterminate
SaProt	LLR -13.95	damaging
⇒ AlphaMissense and SaProt both call this damaging; REVEL makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 3.5	GERP -3.6, phastCons 1
Regional constraint	o/e 0.88	unconstrained · MANE · 14 kb · p 0.00047 · regional, not allelic
Overall
CADD	24.4	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean damaging — 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

No allele count reported in gnomAD v4.1 (AN 1,546,676). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: EPHB4
Protein: p.Arg328Trp
Coding: c.982C>T
MANE Select: NM_004444
dbSNP: rs199701655
Type: single nucleotide variant
Location: chr7:100819872 (GRCh38)
Gene constraint: LOEUF 0.645 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 82.46 · 23 PDB
Residue 328: a UniProt-annotated variant site (in cmavm2); the fibronectin type-iii 1 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 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-arg328trp (accessed [today's date]).

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