Genetic Variant SELENOS:p.Val75Ile (chr15-101275350-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_018445.6(SELENOS):c.223G>A(p.Val75Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000352 in 1,420,078 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/18 in silico tools predict 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: 32)

Exomes 𝑓: 0.0000035 ( 0 hom. )

Consequence

SELENOS
NM_018445.6 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.66

Variant links:

Genes affected

SELENOS (HGNC:30396): (selenoprotein S) This gene encodes a transmembrane protein that is localized in the endoplasmic reticulum (ER). It is involved in the degradation process of misfolded proteins in the ER, and may also have a role in inflammation control. This protein is a selenoprotein, containing the rare amino acid selenocysteine (Sec). Sec is encoded by the UGA codon, which normally signals translation termination. The 3' UTRs of selenoprotein mRNAs contain a conserved stem-loop structure, designated the Sec insertion sequence (SECIS) element, that is necessary for the recognition of UGA as a Sec codon, rather than as a stop signal. Two additional phylogenetically conserved stem-loop structures (Stem-loop 1 and Stem-loop 2) in the 3' UTR of this mRNA have been shown to function as modulators of Sec insertion. An alternatively spliced transcript variant, lacking the SECIS element and encoding a non-Sec containing shorter isoform, has been described for this gene (PMID:23614019). [provided by RefSeq, Jul 2017]

SELENOS links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.12836957).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SELENOS	NM_018445.6 link	c.223G>A	p.Val75Ile	missense_variant	Exon 3 of 6	ENST00000526049.6	NP_060915.2
SELENOS	NM_203472.3 link	c.223G>A	p.Val75Ile	missense_variant	Exon 3 of 7		NP_982298.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SELENOS	ENST00000526049.6 link	c.223G>A	p.Val75Ile	missense_variant	Exon 3 of 6	1	NM_018445.6	ENSP00000433541.1		Q9BQE4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000159

AC:

AN:

188442

Hom.:

AF XY:

0.00

AC XY:

AN XY:

100700

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000116

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000352

AC:

AN:

1420078

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

702786

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.000135

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Bravo

AF:

0.00000756

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 19, 2025

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.223G>A (p.V75I) alteration is located in exon 3 (coding exon 3) of the VIMP gene. This alteration results from a G to A substitution at nucleotide position 223, causing the valine (V) at amino acid position 75 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

BayesDel_addAF

Benign

-0.17

BayesDel_noAF

Benign

-0.48

CADD

Benign

DANN

Uncertain

0.98

DEOGEN2

Benign

0.028

T;.;T;.

Eigen

Benign

-0.41

Eigen_PC

Benign

-0.30

FATHMM_MKL

Benign

0.59

LIST_S2

Benign

0.84

.;.;T;T

M_CAP

Benign

0.0036

MetaRNN

Benign

0.13

T;T;T;T

MetaSVM

Benign

-0.98

MutationAssessor

Benign

1.1

L;.;L;.

PrimateAI

Uncertain

0.59

PROVEAN

Benign

-0.62

N;N;N;N

REVEL

Benign

0.028

Sift

Benign

0.24

T;T;T;T

Sift4G

Benign

0.27

T;T;T;.

Polyphen

0.010

B;.;B;.

Vest4

0.23

MutPred

0.60

Loss of disorder (P = 0.1002);.;Loss of disorder (P = 0.1002);.;

MVP

0.17

MPC

0.045

ClinPred

0.14

GERP RS

2.9

Varity_R

0.11

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

LitVar

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

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over