chrX-24057695-T-C

Variant names:

• chrX-24057695-T-C
• rs1057515578
• NM_001415.4:c.324T>C

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4 BS2

The NM_001415.4(EIF2S3):​c.324T>C​(p.Ser108Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000109 in 1,097,829 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 2 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 24)
  • Exomes 𝑓: 0.000011 (0 hom. 2 hem.)
• Consequence: EIF2S3 NM_001415.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.295
• Publications: 6 publications found

Genes affected

EIF2S3 (HGNC:3267): (eukaryotic translation initiation factor 2 subunit gamma) The protein encoded by this gene is the largest subunit of a heterotrimeric GTP-binding protein involved in the recruitment of methionyl-tRNA(i) to the 40 S ribosomal subunit. [provided by RefSeq, Jan 2010]

EIF2S3 Gene-Disease associations (from GenCC):

• MEHMO syndrome

  Inheritance: XL, AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Orphanet, ClinGen, Genomics England PanelApp
• diabetes mellitus

  Inheritance: XL Classification: STRONG Submitted by: Genomics England PanelApp

ACMG classification

Our verdict: Likely_benign. The variant received -5 ACMG points.

• BP4: Computational evidence support a benign effect (REVEL=0.26).
• BS2: High AC in GnomAdExome4 at 12 XL,AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001415.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EIF2S3	NM_001415.4	MANE Select	c.324T>C	p.Ser108Ser	synonymous	Exon 4 of 12	NP_001406.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EIF2S3	ENST00000253039.9	TSL:1 MANE Select	c.324T>C	p.Ser108Ser	synonymous	Exon 4 of 12	ENSP00000253039.4
	EIF2S3	ENST00000423068.1	TSL:2	c.321T>C	p.Ser107Ser	synonymous	Exon 4 of 5	ENSP00000391383.1
	EIF2S3	ENST00000487075.1	TSL:5	n.156+2017T>C		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 24

GnomAD2 exomes AF: 0.00000546 AC: 1 AN: 183085 AF XY: 0.0000148

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000122

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000109 AC: 12 AN: 1097829 Hom.: 0 Cov.: 30 AF XY: 0.00000551 AC XY: 2 AN XY: 363201

African (AFR) AF: 0.00 AC: 0 AN: 26388

American (AMR) AF: 0.00 AC: 0 AN: 35163

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 19374

East Asian (EAS) AF: 0.00 AC: 0 AN: 30198

South Asian (SAS) AF: 0.00 AC: 0 AN: 54062

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 40523

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 4132

European-Non Finnish (NFE) AF: 0.0000143 AC: 12 AN: 841911

Other (OTH) AF: 0.00 AC: 0 AN: 46078

GnomAD4 genome Cov.: 24

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.60
CADD	Benign	7.7
DANN	Benign	0.78
PhyloP100		0.29
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7

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

Other links and lift over

dbSNP: rs1057515578; hg19: chrX-24075812; COSMIC: COSV53407990;