3-186786157-C-T

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_001967.4(EIF4A2):​c.518-7C>T variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00139 in 1,612,376 control chromosomes in the GnomAD database, including 76 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (no stars).

Frequency

Genomes: 𝑓 0.00089 ( 2 hom., cov: 33)
Exomes 𝑓: 0.0014 ( 74 hom. )

Consequence

EIF4A2
NM_001967.4 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.00002246
2

Clinical Significance

Benign no assertion criteria provided B:1

Conservation

PhyloP100: 0.181
Variant links:
Genes affected
EIF4A2 (HGNC:3284): (eukaryotic translation initiation factor 4A2) Enables ATP hydrolysis activity. Involved in negative regulation of RNA-directed 5'-3' RNA polymerase activity. Located in perinuclear region of cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
Variant 3-186786157-C-T is Benign according to our data. Variant chr3-186786157-C-T is described in ClinVar as [Benign]. Clinvar id is 3048221.Status of the report is no_assertion_criteria_provided, 0 stars.
BS1
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000887 (135/152164) while in subpopulation EAS AF= 0.0241 (125/5188). AF 95% confidence interval is 0.0207. There are 2 homozygotes in gnomad4. There are 75 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 2 AD,AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
EIF4A2NM_001967.4 linkuse as main transcriptc.518-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000323963.10 NP_001958.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
EIF4A2ENST00000323963.10 linkuse as main transcriptc.518-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_001967.4 ENSP00000326381 P4Q14240-1

Frequencies

GnomAD3 genomes
AF:
0.000888
AC:
135
AN:
152046
Hom.:
2
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.000288
Gnomad EAS
AF:
0.0240
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000735
Gnomad OTH
AF:
0.00143
GnomAD3 exomes
AF:
0.00168
AC:
422
AN:
250792
Hom.:
3
AF XY:
0.00155
AC XY:
210
AN XY:
135588
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.00129
Gnomad EAS exome
AF:
0.0216
Gnomad SAS exome
AF:
0.0000655
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000353
Gnomad OTH exome
AF:
0.000327
GnomAD4 exome
AF:
0.00144
AC:
2103
AN:
1460212
Hom.:
74
Cov.:
31
AF XY:
0.00142
AC XY:
1034
AN XY:
726148
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000134
Gnomad4 ASJ exome
AF:
0.00103
Gnomad4 EAS exome
AF:
0.0501
Gnomad4 SAS exome
AF:
0.0000581
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000342
Gnomad4 OTH exome
AF:
0.000680
GnomAD4 genome
AF:
0.000887
AC:
135
AN:
152164
Hom.:
2
Cov.:
33
AF XY:
0.00101
AC XY:
75
AN XY:
74384
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.000288
Gnomad4 EAS
AF:
0.0241
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000735
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.000183
Hom.:
0
Bravo
AF:
0.000805
Asia WGS
AF:
0.00982
AC:
34
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

EIF4A2-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesDec 16, 2019This variant is classified as 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
BayesDel_noAF
Benign
-0.82
CADD
Benign
3.0
DANN
Benign
0.72

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000022
dbscSNV1_RF
Benign
0.020
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

LitVar

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

Other links and lift over

dbSNP: rs80057919; hg19: chr3-186503946; COSMIC: COSV56217155; COSMIC: COSV56217155; API