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EEF2 p.Ala303=

c.909G>A · rs1054443938 · VCV739448

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.004%, afr)

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
ConservationphyloP -7.9GERP -4.3
Overall
CADD0.085PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.004% African / African-American · 3/74,924 alleles
Filtering AF 0.00106% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000495%
Overall 0.000806% 13/1,613,844 alleles · very rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.004% 24,975
Admixed American 0.00333% 30,004
Remaining individualsnot grpmax-eligible 0.0032% 31,240
South Asian 0.0022% 45,541
European (non-Finnish) 0.000339% 294,986

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
EEF2
Protein
p.Ala303=
Coding
c.909G>A
MANE Select
NM_001961
dbSNP
rs1054443938
Type
single nucleotide variant
Location
chr19:3981441 (GRCh38)
Gene constraint
LOEUF 0.39 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 89.97 · 26 PDB
Residue 303
the tr-type g domain; an α-helix
Full EEF2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-ala303 (accessed [today's date]).

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