chr2-88627211-CCAGCAG-C

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP6BS1

The NM_004836.7(EIF2AK3):​c.58_63del​(p.Leu20_Leu21del) variant causes a inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00211 in 1,289,038 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 0)
Exomes 𝑓: 0.0024 ( 0 hom. )

Consequence

EIF2AK3
NM_004836.7 inframe_deletion

Scores

Not classified

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: 1.98
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP6
Variant 2-88627211-CCAGCAG-C is Benign according to our data. Variant chr2-88627211-CCAGCAG-C is described in ClinVar as [Likely_benign]. Clinvar id is 3037443.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr2-88627211-CCAGCAG-C is described in Lovd as [Benign].
BS1
Variant frequency is greater than expected in population amr. gnomad4_exome allele frequency = 0.00239 (2718/1138122) while in subpopulation AMR AF= 0.0137 (290/21202). AF 95% confidence interval is 0.0124. There are 0 homozygotes in gnomad4_exome. There are 1497 alleles in male gnomad4_exome subpopulation. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
EIF2AK3NM_004836.7 linkuse as main transcriptc.58_63del p.Leu20_Leu21del inframe_deletion 1/17 ENST00000303236.9 NP_004827.4
EIF2AK3XM_047446430.1 linkuse as main transcriptc.58_63del p.Leu20_Leu21del inframe_deletion 1/12 XP_047302386.1
EIF2AK3XM_047446428.1 linkuse as main transcriptc.17+472_17+477del intron_variant XP_047302384.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
EIF2AK3ENST00000303236.9 linkuse as main transcriptc.58_63del p.Leu20_Leu21del inframe_deletion 1/171 NM_004836.7 ENSP00000307235 P1
EIF2AK3ENST00000682892.1 linkuse as main transcriptc.-145-13364_-145-13359del intron_variant ENSP00000507214
EIF2AK3ENST00000652099.1 linkuse as main transcriptc.56_61del p.Leu20_Leu21del inframe_deletion, NMD_transcript_variant 1/18 ENSP00000498211
EIF2AK3ENST00000652423.1 linkuse as main transcriptc.58_63del p.Leu20_Leu21del inframe_deletion, NMD_transcript_variant 1/4 ENSP00000498948

Frequencies

GnomAD3 genomes
AF:
0.0000464
AC:
7
AN:
150804
Hom.:
0
Cov.:
0
show subpopulations
Gnomad AFR
AF:
0.0000243
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000195
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000592
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00647
AC:
422
AN:
65220
Hom.:
0
AF XY:
0.00675
AC XY:
252
AN XY:
37308
show subpopulations
Gnomad AFR exome
AF:
0.0107
Gnomad AMR exome
AF:
0.00791
Gnomad ASJ exome
AF:
0.00326
Gnomad EAS exome
AF:
0.0138
Gnomad SAS exome
AF:
0.00525
Gnomad FIN exome
AF:
0.00751
Gnomad NFE exome
AF:
0.00628
Gnomad OTH exome
AF:
0.00315
GnomAD4 exome
AF:
0.00239
AC:
2718
AN:
1138122
Hom.:
0
AF XY:
0.00267
AC XY:
1497
AN XY:
559882
show subpopulations
Gnomad4 AFR exome
AF:
0.00320
Gnomad4 AMR exome
AF:
0.0137
Gnomad4 ASJ exome
AF:
0.00362
Gnomad4 EAS exome
AF:
0.00187
Gnomad4 SAS exome
AF:
0.00694
Gnomad4 FIN exome
AF:
0.00579
Gnomad4 NFE exome
AF:
0.00168
Gnomad4 OTH exome
AF:
0.00267
GnomAD4 genome
AF:
0.0000464
AC:
7
AN:
150916
Hom.:
0
Cov.:
0
AF XY:
0.0000678
AC XY:
5
AN XY:
73726
show subpopulations
Gnomad4 AFR
AF:
0.0000242
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000195
Gnomad4 NFE
AF:
0.0000592
Gnomad4 OTH
AF:
0.00

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

EIF2AK3-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesApr 14, 2022This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs1805190; hg19: chr2-88926729; API