Genetic Variant EIF2AK3:c.*360C>T (chr2-88557376-G-A) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS1

The NM_004836.7(EIF2AK3):c.*360C>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000111 in 242,634 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000099 ( 0 hom. )

Consequence

EIF2AK3
NM_004836.7 3_prime_UTR

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.569

Publications

0 publications found

Variant links:

Genes affected

EIF2AK3 (HGNC:3255): (eukaryotic translation initiation factor 2 alpha kinase 3) The protein encoded by this gene phosphorylates the alpha subunit of eukaryotic translation-initiation factor 2, leading to its inactivation, and thus to a rapid reduction of translational initiation and repression of global protein synthesis. This protein is thought to modulate mitochondrial function. It is a type I membrane protein located in the endoplasmic reticulum (ER), where it is induced by ER stress caused by malfolded proteins. Mutations in this gene are associated with Wolcott-Rallison syndrome. [provided by RefSeq, Sep 2015]

EIF2AK3 Gene-Disease associations (from GenCC):

Wolcott-Rallison syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics, Genomics England PanelApp, G2P

EIF2AK3 links:

ENSG00000225420 (HGNC:58177):

ENSG00000225420 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.85).

BS1

Variant frequency is greater than expected in population sas. GnomAd4 allele frequency = 0.000118 (18/151944) while in subpopulation SAS AF = 0.000208 (1/4808). AF 95% confidence interval is 0.000124. There are 0 homozygotes in GnomAd4. There are 9 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EIF2AK3	NM_004836.7 link	c.*360C>T		3_prime_UTR_variant	Exon 17 of 17	ENST00000303236.9	NP_004827.4	Q9NZJ5B3KY45

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EIF2AK3	ENST00000303236.9 link	c.*360C>T		3_prime_UTR_variant	Exon 17 of 17	1	NM_004836.7	ENSP00000307235.3		Q9NZJ5

Frequencies

GnomAD3 genomes

AF:

0.000118

AC:

AN:

151944

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000484

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000656

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000208

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000206

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000992

AC:

AN:

90690

Hom.:

Cov.:

AF XY:

0.0000632

AC XY:

AN XY:

47496

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

3322

American (AMR)

AF:

0.00

AC:

AN:

4736

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2402

East Asian (EAS)

AF:

0.00

AC:

AN:

5450

South Asian (SAS)

AF:

0.00

AC:

AN:

10906

European-Finnish (FIN)

AF:

0.00

AC:

AN:

4264

Middle Eastern (MID)

AF:

0.00

AC:

AN:

356

European-Non Finnish (NFE)

AF:

0.000166

AC:

AN:

54234

Other (OTH)

AF:

0.00

AC:

AN:

5020

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.514

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000118

AC:

AN:

151944

Hom.:

Cov.:

AF XY:

0.000121

AC XY:

AN XY:

74196

show subpopulations

African (AFR)

AF:

0.0000484

AC:

AN:

41358

American (AMR)

AF:

0.0000656

AC:

AN:

15244

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.000208

AC:

AN:

4808

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10574

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000206

AC:

AN:

67996

Other (OTH)

AF:

0.00

AC:

AN:

2084

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.478

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000208

Hom.:

Bravo

AF:

0.000162

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Wolcott-Rallison dysplasia

Uncertain:1

Jun 14, 2016

Illumina Laboratory Services, Illumina

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.85

CADD

Benign

0.64

(source)

DANN

Benign

0.18

PhyloP100

0.57

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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chr2-88557376-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over