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GeneBe

20-35284212-T-C

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_002212.4(EIF6):c.157A>G(p.Ile53Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000293 in 1,601,584 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000029 ( 0 hom. )

Consequence

EIF6
NM_002212.4 missense

Scores

4
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.55
Variant links:
Genes affected
EIF6 (HGNC:6159): (eukaryotic translation initiation factor 6) Hemidesmosomes are structures which link the basal lamina to the intermediate filament cytoskeleton. An important functional component of hemidesmosomes is the integrin beta-4 subunit (ITGB4), a protein containing two fibronectin type III domains. The protein encoded by this gene binds to the fibronectin type III domains of ITGB4 and may help link ITGB4 to the intermediate filament cytoskeleton. The encoded protein, which is insoluble and found both in the nucleus and in the cytoplasm, can function as a translation initiation factor and prevent the association of the 40S and 60S ribosomal subunits. Multiple non-protein coding transcript variants and variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Jun 2012]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2
High AC in GnomAd at 5 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
EIF6NM_002212.4 linkuse as main transcriptc.157A>G p.Ile53Val missense_variant 3/7 ENST00000374450.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
EIF6ENST00000374450.8 linkuse as main transcriptc.157A>G p.Ile53Val missense_variant 3/71 NM_002212.4 P1P56537-1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152074
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000163
AC:
4
AN:
245880
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
133328
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000291
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000269
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000290
AC:
42
AN:
1449510
Hom.:
0
Cov.:
31
AF XY:
0.0000236
AC XY:
17
AN XY:
719008
show subpopulations
Gnomad4 AFR exome
AF:
0.0000300
Gnomad4 AMR exome
AF:
0.0000450
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000326
Gnomad4 OTH exome
AF:
0.0000334
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152074
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74278
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000680
ExAC
AF:
0.0000165
AC:
2
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsFeb 10, 2022The c.157A>G (p.I53V) alteration is located in exon 2 (coding exon 2) of the EIF6 gene. This alteration results from a A to G substitution at nucleotide position 157, causing the isoleucine (I) at amino acid position 53 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.080
BayesDel_addAF
Benign
-0.018
T
BayesDel_noAF
Benign
-0.090
Cadd
Uncertain
24
Dann
Uncertain
1.0
DEOGEN2
Benign
0.17
T;T;T
Eigen
Benign
0.076
Eigen_PC
Uncertain
0.25
FATHMM_MKL
Uncertain
0.95
D
M_CAP
Benign
0.034
D
MetaRNN
Uncertain
0.60
D;D;D
MetaSVM
Benign
-0.90
T
MutationAssessor
Benign
1.5
L;L;.
MutationTaster
Benign
1.0
D;D;D
PROVEAN
Benign
-0.70
N;N;N
REVEL
Benign
0.20
Sift
Benign
0.17
T;T;T
Sift4G
Benign
0.32
T;T;.
Polyphen
0.0
B;B;.
Vest4
0.65
MutPred
0.80
Gain of MoRF binding (P = 0.1482);Gain of MoRF binding (P = 0.1482);Gain of MoRF binding (P = 0.1482);
MVP
0.58
MPC
0.32
ClinPred
0.77
D
GERP RS
5.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.27
gMVP
0.58

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

LitVar

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

Other links and lift over

dbSNP: rs754663629; hg19: chr20-33872015; COSMIC: COSV65584662; COSMIC: COSV65584662; API