Genetic Variant NM_001961.4:c.1323C>G (chr19-3980537-G-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001961.4(EEF2):c.1323C>G(p.Asp441Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,662 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. D441D) has been classified as Benign.

Frequency

Genomes: not found (cov: 34)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

EEF2
NM_001961.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.08

Publications

0 publications found

Variant links:

Genes affected

EEF2 (HGNC:3214): (eukaryotic translation elongation factor 2) This gene encodes a member of the GTP-binding translation elongation factor family. This protein is an essential factor for protein synthesis. It promotes the GTP-dependent translocation of the nascent protein chain from the A-site to the P-site of the ribosome. This protein is completely inactivated by EF-2 kinase phosporylation. [provided by RefSeq, Jul 2008]

EEF2 Gene-Disease associations (from GenCC):

spinocerebellar ataxia type 26
Inheritance: AD Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)
neurodevelopmental disorder
Inheritance: AD Classification: MODERATE, LIMITED Submitted by: G2P, Ambry Genetics

EEF2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001961.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EEF2	NM_001961.4	MANE Select	c.1323C>G	p.Asp441Glu	missense	Exon 9 of 15	NP_001952.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EEF2	ENST00000309311.7	TSL:5 MANE Select	c.1323C>G	p.Asp441Glu	missense	Exon 9 of 15	ENSP00000307940.5
	EEF2	ENST00000598182.5	TSL:2	n.*150C>G		downstream_gene	N/A

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461662

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727144

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33468

American (AMR)

AF:

0.00

AC:

AN:

44682

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26116

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53402

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111886

Other (OTH)

AF:

0.00

AC:

AN:

60386

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.95

BayesDel_addAF

Pathogenic

0.19

BayesDel_noAF

Uncertain

0.040

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.42

Eigen

Uncertain

0.21

Eigen_PC

Benign

0.099

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.96

M_CAP

Uncertain

0.13

MetaRNN

Uncertain

0.71

MetaSVM

Uncertain

0.12

MutationAssessor

Pathogenic

3.3

PhyloP100

2.1

PrimateAI

Pathogenic

0.88

PROVEAN

Uncertain

-3.6

REVEL

Pathogenic

0.70

Sift

Uncertain

0.0030

Sift4G

Benign

0.12

Polyphen

0.99

Vest4

0.74

MutPred

0.52

Loss of ubiquitination at K438 (P = 0.0818)

MVP

0.89

ClinPred

0.99

GERP RS

-0.86

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.66

gMVP

0.83

Mutation Taster

=22/78

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over