Is EEF2 p.Gly408Val (c.1223G>T) pathogenic?

EEF2 p.Gly408Val (c.1223G>T) is classified Uncertain significance in EEF2 (ClinVar, Single submitter, 1 submitter; last evaluated 2022-06-13). AlphaMissense: likely pathogenic (0.9787); Absent from gnomAD v4.1.

How common is EEF2 p.Gly408Val (c.1223G>T) in the general population?

EEF2 p.Gly408Val (c.1223G>T) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about EEF2 p.Gly408Val (c.1223G>T)?

AlphaMissense predicts likely pathogenic (score 0.9787) — an in-silico prediction, not a clinical call.

EEF2 p.Gly408Val

c.1223G>T · rs756738121 · VCV1804365

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.9787 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

3/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.9787	likely pathogenic
REVEL	0.827	moderately pathogenic-leaning
SaProt	LLR -17.03	damaging
⇒ AlphaMissense, REVEL and SaProt all call this damaging.
Splicing
SpliceAI	Δ0.20	acceptor loss · deltas
Constraint at this position
Conservation	phyloP 6	GERP 2.3, phastCons 1
Regional constraint	o/e 0.71	unconstrained · MANE · 871 bp · p 0.00092 · regional, not allelic
Overall
CADD	32.0	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

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: EEF2
Protein: p.Gly408Val
Coding: c.1223G>T
MANE Select: NM_001961
dbSNP: rs756738121
Type: single nucleotide variant
Location: chr19:3980637 (GRCh38)
Gene constraint: LOEUF 0.39 · pLI 1.00 (gnomAD)
Structure: AlphaFold pLDDT 89.97 · 26 PDB
Residue 408: a β-strand

Full EEF2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

EEF2 p.Ala237Thr Uncertain significance ★★ ⚠ same type
EEF2 p.Ala238Thr Uncertain significance ★★ ⚠ same type
EEF2 p.Ala338Gly Uncertain significance ★★ ⚠ same type
EEF2 p.Ala624Thr Uncertain significance ★★ ⚠ same type
EEF2 p.Ala808Val Uncertain significance ★★ ⚠ same type
EEF2 p.Arg633His Uncertain significance ★★ ⚠ same type
EEF2 p.Arg647His Uncertain significance ★★ ⚠ same type
EEF2 p.Arg726Trp Uncertain significance ★★ ⚠ 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/eef2-p-gly408val (accessed [today's date]).

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