8-116658930-G-C

Variant names:

• chr8-116658930-G-C
• NM_003756.3:c.340C>G

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_003756.3(EIF3H):​c.340C>G​(p.His114Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: EIF3H NM_003756.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.97

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]

ACMG classification

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.845

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EIF3H	NM_003756.3	c.340C>G	p.His114Asp	missense_variant	Exon 3 of 8	ENST00000521861.6	NP_003747.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EIF3H	ENST00000521861.6	c.340C>G	p.His114Asp	missense_variant	Exon 3 of 8	1	NM_003756.3	ENSP00000429931.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Apr 26, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.340C>G (p.H114D) alteration is located in exon 3 (coding exon 3) of the EIF3H gene. This alteration results from a C to G substitution at nucleotide position 340, causing the histidine (H) at amino acid position 114 to be replaced by an aspartic acid (D). 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	1.0
BayesDel_addAF	Pathogenic	0.31	D
BayesDel_noAF	Pathogenic	0.20
CADD	Pathogenic	32
DANN	Uncertain	0.99
DEOGEN2	Benign	0.37	T;.;T;T;.;T
Eigen	Pathogenic	0.69
Eigen_PC	Uncertain	0.66
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.93	D;D;D;D;D;D
M_CAP	Benign	0.019	T
MetaRNN	Pathogenic	0.85	D;D;D;D;D;D
MetaSVM	Benign	-0.60	T
MutationAssessor	Uncertain	2.1	M;.;.;.;.;.
PhyloP100		10
PrimateAI	Pathogenic	0.92	D
PROVEAN	Pathogenic	-7.1	D;.;D;D;D;D
REVEL	Uncertain	0.49
Sift	Uncertain	0.010	D;.;D;T;T;D
Sift4G	Uncertain	0.049	D;D;D;D;.;D
Polyphen		1.0	D;.;D;.;.;.
Vest4		0.84
MutPred		0.66		.;.;Gain of relative solvent accessibility (P = 0.1012);.;.;.;
MVP		0.83
MPC		3.0
ClinPred		0.97	D
GERP RS		6.2
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		2.1
Varity_R		0.80
gMVP		0.97
Mutation Taster		=35/65	disease causing

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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Other links and lift over

hg19: chr8-117671169;