Genetic Variant EIF3H:p.Met343Ile (chr8-116645036-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_003756.3(EIF3H):c.1029G>A(p.Met343Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,824 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

EIF3H
NM_003756.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.82

Variant links:

Genes affected

EIF3H (HGNC:3273): (eukaryotic translation initiation factor 3 subunit H) Enables deubiquitinase activity. Contributes to translation initiation factor activity. Involved in negative regulation of proteasomal ubiquitin-dependent protein catabolic process and translational initiation. Located in extracellular exosome and membrane. Part of eukaryotic translation initiation factor 3 complex. Implicated in breast cancer; prostate cancer; and prostate carcinoma. Biomarker of prostate cancer. [provided by Alliance of Genome Resources, Apr 2022]

EIF3H links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EIF3H	NM_003756.3 link	c.1029G>A	p.Met343Ile	missense_variant	Exon 8 of 8	ENST00000521861.6	NP_003747.1	O15372Q6IB98

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EIF3H	ENST00000521861.6 link	c.1029G>A	p.Met343Ile	missense_variant	Exon 8 of 8	1	NM_003756.3	ENSP00000429931.1		O15372
EIF3H	ENST00000276682.8 link	c.1071G>A	p.Met357Ile	missense_variant	Exon 10 of 10	2		ENSP00000276682.4		B3KS98

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461824

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727212

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.00

AC:

AN:

86246

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111974

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

May 29, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.1029G>A (p.M343I) alteration is located in exon 8 (coding exon 8) of the EIF3H gene. This alteration results from a G to A substitution at nucleotide position 1029, causing the methionine (M) at amino acid position 343 to be replaced by an isoleucine (I). 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

Pathogenic

0.63

BayesDel_addAF

Pathogenic

0.21

BayesDel_noAF

Uncertain

0.070

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.098

T;.;T

Eigen

Benign

0.11

Eigen_PC

Uncertain

0.35

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.95

D;D;D

M_CAP

Benign

0.013

MetaRNN

Uncertain

0.49

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.3

L;.;.

PhyloP100

7.8

PrimateAI

Uncertain

0.77

PROVEAN

Benign

-0.87

N;.;N

REVEL

Benign

0.27

Sift

Benign

0.40

T;.;T

Sift4G

Benign

0.57

T;T;T

Polyphen

0.0060

B;.;B

Vest4

0.70

MutPred

0.50

.;.;Loss of disorder (P = 0.0975);

MVP

0.42

MPC

0.10

ClinPred

0.91

GERP RS

6.2

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.26

gMVP

0.49

Mutation Taster

=51/49

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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chr8-116645036-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

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