Is EPHB4 p.Pro366= (c.1098C>T) pathogenic?

EPHB4 p.Pro366= (c.1098C>T) is classified Likely benign in EPHB4 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-10-31). Ultra-rare (popmax 0.0923%, afr); Associated with Cardiovascular phenotype.

What condition is associated with EPHB4 p.Pro366= (c.1098C>T)?

EPHB4 p.Pro366= (c.1098C>T) is associated with Cardiovascular phenotype (ClinVar).

How common is EPHB4 p.Pro366= (c.1098C>T) in the general population?

EPHB4 p.Pro366= (c.1098C>T) is ultra-rare (popmax 0.0923%, afr) (gnomAD).

EPHB4 p.Pro366=

c.1098C>T · rs375470820 · VCV1791240

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0923%, afr)

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 -5.5	GERP -5
Overall
CADD	0.186	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0923% African / African-American · 69/74,742 alleles

Filtering AF 0.0748% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0684%

Overall 0.00667% 107/1,604,058 alleles · ultra-rare exomes 63/1,451,810 · genomes 44/152,248 · joint denominator

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.0923%	1,083
Admixed American	0.0241%	4,153
Middle Eastern	0.0165%	6,070
Remaining individualsnot grpmax-eligible	0.00645%	15,511
Ashkenazi Jewishnot grpmax-eligible	0.0034%	29,392
European (non-Finnish)	0.00145%	69,163
South Asian	0.00111%	90,252

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.Pro366=
Coding: c.1098C>T
MANE Select: NM_004444
dbSNP: rs375470820
Type: single nucleotide variant
Location: chr7:100819756 (GRCh38)
Gene constraint: LOEUF 0.645 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 82.46 · 23 PDB
Residue 366: 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 p.Pro366Thr Conflicting classifications of pathogenicity ★ ⚠ same residue
EPHB4 p.Pro366Ala Likely benign ★ 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
EPHB4 p.Arg148Trp Uncertain significance ★★ ⚠ same condition
EPHB4 p.Arg310Gln 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-pro366 (accessed [today's date]).

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