dbSNP rs886038381: EIF2B4:p.Ser19Gly (chr2-27369959-T-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The ENST00000451130.6(EIF2B4):c.55A>G(p.Ser19Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,202 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/19 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S19R) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Consequence

EIF2B4
ENST00000451130.6 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.621

Publications

0 publications found

Variant links:

Genes affected

EIF2B4 (HGNC:3260): (eukaryotic translation initiation factor 2B subunit delta) Eukaryotic initiation factor 2B (EIF2B), which is necessary for protein synthesis, is a GTP exchange factor composed of five different subunits. The protein encoded by this gene is the fourth, or delta, subunit. Defects in this gene are a cause of leukoencephalopathy with vanishing white matter (VWM) and ovarioleukodystrophy. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

EIF2B4 Gene-Disease associations (from GenCC):

leukoencephalopathy with vanishing white matter 4
Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
leukoencephalopathy with vanishing white matter
Inheritance: AR Classification: STRONG Submitted by: Genomics England PanelApp
leukoencephalopathy with vanishing white matter 1
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
ovarioleukodystrophy
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

EIF2B4 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.06496477).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EIF2B4	NM_001034116.2 link	c.32-40A>G		intron_variant	Intron 1 of 12	ENST00000347454.9	NP_001029288.1	Q9UI10-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EIF2B4	ENST00000347454.9 link	c.32-40A>G		intron_variant	Intron 1 of 12	1	NM_001034116.2	ENSP00000233552.6		Q9UI10-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152202

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152202

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74364

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41438

American (AMR)

AF:

0.00

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000193

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68044

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.052

BayesDel_noAF

Benign

-0.31

CADD

Benign

(source)

DANN

Benign

0.94

DEOGEN2

Benign

0.0089

.;T

Eigen

Benign

-0.84

Eigen_PC

Benign

-0.78

FATHMM_MKL

Benign

0.033

LIST_S2

Benign

0.40

T;T

M_CAP

Benign

0.067

MetaRNN

Benign

0.065

T;T

MetaSVM

Benign

-0.88

PhyloP100

0.62

PrimateAI

Uncertain

0.51

PROVEAN

Benign

-0.40

N;N

REVEL

Benign

0.17

Sift

Benign

0.23

T;T

Sift4G

Benign

0.42

T;T

Polyphen

0.0

B;.

Vest4

0.11

MutPred

0.11

Loss of phosphorylation at S19 (P = 0.0039);Loss of phosphorylation at S19 (P = 0.0039);

MVP

0.31

MPC

0.49

ClinPred

0.077

GERP RS

1.2

PromoterAI

-0.079

Neutral

(source)

gMVP

0.076

Mutation Taster

=93/7

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

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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rs886038381

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over