Is EPHB4 p.Arg917Gln (c.2750G>A) pathogenic?

EPHB4 p.Arg917Gln (c.2750G>A) is classified Conflicting classifications of pathogenicity in EPHB4 (ClinVar, Conflicting submitters, 2 submitters; last evaluated 2024-09-20). AlphaMissense: likely benign (0.0737); Very rare (popmax 0.0033%, sas); Associated with Cardiovascular phenotype.

What condition is associated with EPHB4 p.Arg917Gln (c.2750G>A)?

EPHB4 p.Arg917Gln (c.2750G>A) is associated with Cardiovascular phenotype (ClinVar).

How common is EPHB4 p.Arg917Gln (c.2750G>A) in the general population?

EPHB4 p.Arg917Gln (c.2750G>A) is very rare (popmax 0.0033%, sas) (gnomAD).

What do computational predictors say about EPHB4 p.Arg917Gln (c.2750G>A)?

AlphaMissense predicts likely benign (score 0.0737) — an in-silico prediction, not a clinical call.

EPHB4 p.Arg917Gln

c.2750G>A · rs778891426 · VCV1503630

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 2 submitters

AlphaMissense

likely benign

0.0737 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.0033%, sas)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
AlphaMissense	0.0737	likely benign
REVEL	0.12	moderately benign-leaning
SaProt	LLR -7.11	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.7	GERP 0.32, phastCons 1
Regional constraint	o/e 0.87	unconstrained · MANE · 3,002 bp · p 0.042 · regional, not allelic
Overall
CADD	26.1	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 0.0033% South Asian · 3/90,926 alleles

Filtering AF 0.00188% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00164%

Overall 0.00229% 37/1,613,326 alleles · very rare

Ancestry group	Frequency	1 in
South Asiangrpmax	0.0033%	30,309
European (non-Finnish)	0.00263%	38,058
East Asian	0.00223%	44,870
Remaining individualsnot grpmax-eligible	0.0016%	62,434
African / African-American	0.00133%	74,910

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.Arg917Gln
Coding: c.2750G>A
MANE Select: NM_004444
dbSNP: rs778891426
Type: single nucleotide variant
Location: chr7:100805250 (GRCh38)
Gene constraint: LOEUF 0.645 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 82.46 · 23 PDB
Residue 917: an α-helix; a UniProt-annotated variant site (in cmavm2); the sam 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-arg917gln (accessed [today's date]).

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