3-184319928-T-G

Position:

• chr3-184319928-T-G

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_Strong BP6_Very_Strong BA1

The NM_198241.3(EIF4G1):​c.537+127T>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00667 in 753,072 control chromosomes in the GnomAD database, including 152 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

• Frequency:
  • Genomes: 𝑓 0.022 (103 hom., cov: 32)
  • Exomes 𝑓: 0.0028 (49 hom.)
• Consequence: EIF4G1 NM_198241.3 intron
• Clinical Significance: Benign criteria provided, multiple submitters, no conflicts B:2
• Conservation: PhyloP100: 0.745

Genes affected

EIF4G1 (HGNC:3296): (eukaryotic translation initiation factor 4 gamma 1) The protein encoded by this gene is a component of the multi-subunit protein complex EIF4F. This complex facilitates the recruitment of mRNA to the ribosome, which is a rate-limiting step during the initiation phase of protein synthesis. The recognition of the mRNA cap and the ATP-dependent unwinding of 5'-terminal secondary structure is catalyzed by factors in this complex. The subunit encoded by this gene is a large scaffolding protein that contains binding sites for other members of the EIF4F complex. A domain at its N-terminus can also interact with the poly(A)-binding protein, which may mediate the circularization of mRNA during translation. Alternative splicing results in multiple transcript variants, some of which are derived from alternative promoter usage. [provided by RefSeq, Aug 2010]

ACMG classification

Verdict is Benign. Variant got -20 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.79).
• BP6: Variant 3-184319928-T-G is Benign according to our data. Variant chr3-184319928-T-G is described in ClinVar as [Benign]. Clinvar id is 1243000.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0743 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
EIF4G1	NM_198241.3	c.537+127T>G		intron_variant		ENST00000346169.7	NP_937884.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
EIF4G1	ENST00000346169.7	c.537+127T>G		intron_variant		1	NM_198241.3	ENSP00000316879	A2

Frequencies

GnomAD3 genomes AF: 0.0220 AC: 3341 AN: 151994 Hom.: 102 Cov.: 32

Gnomad AFR AF: 0.0763

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00858

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000207

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.0158

Gnomad NFE AF: 0.000235

Gnomad OTH AF: 0.0158

GnomAD4 exome AF: 0.00277 AC: 1665 AN: 600960 Hom.: 49 AF XY: 0.00220 AC XY: 694 AN XY: 315882

Gnomad4 AFR exome AF: 0.0768

Gnomad4 AMR exome AF: 0.00372

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.000184

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.000170

Gnomad4 OTH exome AF: 0.00627

GnomAD4 genome AF: 0.0221 AC: 3360 AN: 152112 Hom.: 103 Cov.: 32 AF XY: 0.0214 AC XY: 1591 AN XY: 74348

Gnomad4 AFR AF: 0.0765

Gnomad4 AMR AF: 0.00870

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.000207

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000235

Gnomad4 OTH AF: 0.0156

Alfa AF: 0.0157 Hom.: 12

Bravo AF: 0.0242

Asia WGS AF: 0.00808 AC: 28 AN: 3478

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

Submissions by phenotype

not provided Benign:2

Benign, criteria provided, single submitter	clinical testing	GeneDx	Jun 21, 2021	- -
Benign, criteria provided, single submitter	not provided	Breakthrough Genomics, Breakthrough Genomics	-	- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.79
CADD	Benign	8.7
DANN	Benign	0.79

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

Other links and lift over

dbSNP: rs28626875; hg19: chr3-184037716;