Is EPHB2 p.Pro778Ala (c.2332C>G) pathogenic?

EPHB2 p.Pro778Ala (c.2332C>G) is classified Uncertain significance in EPHB2 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-01-19). AlphaMissense: ambiguous (0.5594); Absent from gnomAD v4.1.

How common is EPHB2 p.Pro778Ala (c.2332C>G) in the general population?

EPHB2 p.Pro778Ala (c.2332C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about EPHB2 p.Pro778Ala (c.2332C>G)?

AlphaMissense predicts ambiguous (score 0.5594) — an in-silico prediction, not a clinical call.

EPHB2 p.Pro778Ala

c.2332C>G · VCV3845442

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.5594 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Computational evidence

Protein change
AlphaMissense	0.5594	ambiguous
REVEL	0.64	indeterminate
SaProt	LLR -9.89	tolerated
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 4.1	GERP 2.7, phastCons 1
Regional constraint	o/e 0.73	unconstrained · MANE · 203 kb · p 2.4e-23 · regional, not allelic
Overall
CADD	28.6	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

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: EPHB2
Protein: p.Pro778Ala
Coding: c.2332C>G
MANE Select: NM_017449
Type: single nucleotide variant
Location: chr1:22908148 (GRCh38)
Gene constraint: LOEUF 0.265 · pLI 1.00 (gnomAD)
Structure: AlphaFold pLDDT 80.41 · 5 PDB
Residue 778: the protein kinase domain

Full EPHB2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

EPHB2 p.Val414Ile Uncertain significance ★★ ⚠ same type
EPHB2 c.1766-9G>T Benign/Likely benign ★★ same type
EPHB2 p.Ala279Ser Benign ★★ same type
EPHB2 p.Asn242= Likely benign ★★ same type
EPHB2 p.Asp574= Benign ★★ same type
EPHB2 p.Asp678Asn Likely benign ★★ same type
EPHB2 p.Gln875= Benign ★★ same type
EPHB2 p.Ser170= Benign ★★ same type

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/ephb2-p-pro778ala (accessed [today's date]).

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