Genetic Variant NM_017827.4:c.1546G>A (chr19-38915617-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_017827.4(SARS2):c.1546G>A(p.Ala516Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000267 in 1,612,328 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 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: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000028 ( 0 hom. )

Consequence

SARS2
NM_017827.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.583

Variant links:

Genes affected

SARS2 (HGNC:17697): (seryl-tRNA synthetase 2, mitochondrial) This gene encodes the mitochondrial seryl-tRNA synthethase precursor, a member of the class II tRNA synthetase family. The mature enzyme catalyzes the ligation of Serine to tRNA(Ser) and participates in the biosynthesis of selenocysteinyl-tRNA(sec) in mitochondria. The enzyme contains an N-terminal tRNA binding domain and a core catalytic domain. It functions in a homodimeric form, which is stabilized by tRNA binding. This gene is regulated by a bidirectional promoter that also controls the expression of mitochondrial ribosomal protein S12. Both genes are within the critical interval for the autosomal dominant deafness locus DFNA4 and might be linked to this disease. Multiple transcript variants encoding different isoforms have been identified for this gene. [provided by RefSeq, Mar 2009]

SARS2 links:

ENSG00000269547 (HGNC:):

ENSG00000269547 links:

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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=0.13083893).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SARS2	NM_017827.4 link	c.1546G>A	p.Ala516Thr	missense_variant	Exon 16 of 16	ENST00000221431.11	NP_060297.1	Q9NP81-1
SARS2	NM_001145901.2 link	c.1552G>A	p.Ala518Thr	missense_variant	Exon 17 of 17		NP_001139373.1	Q9NP81-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SARS2	ENST00000221431.11 link	c.1546G>A	p.Ala516Thr	missense_variant	Exon 16 of 16	1	NM_017827.4	ENSP00000221431.6		Q9NP81-1
ENSG00000269547	ENST00000599996.1 link	c.1753G>A	p.Ala585Thr	missense_variant	Exon 20 of 20	2		ENSP00000472465.1		M0R2C6

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152180

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.00000799

AC:

AN:

250208

Hom.:

AF XY:

0.00000740

AC XY:

AN XY:

135226

show subpopulations

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000177

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000281

AC:

AN:

1460148

Hom.:

Cov.:

AF XY:

0.0000275

AC XY:

AN XY:

726306

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

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:

0.0000333

Gnomad4 OTH exome

AF:

0.0000664

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152180

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74338

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000756

ExAC

AF:

0.0000165

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.072

BayesDel_addAF

Benign

-0.031

BayesDel_noAF

Benign

-0.27

CADD

Benign

DANN

Uncertain

0.98

DEOGEN2

Benign

0.048

T;.;T;.;.

Eigen

Benign

-0.75

Eigen_PC

Benign

-0.76

FATHMM_MKL

Benign

0.099

M_CAP

Benign

0.065

MetaRNN

Benign

0.086

T;T;T;T;T

MetaSVM

Benign

-0.87

MutationAssessor

Benign

0.55

N;.;.;.;.

PrimateAI

Benign

0.29

PROVEAN

Benign

-0.41

N;.;.;.;.

REVEL

Benign

0.16

Sift

Benign

0.13

T;.;.;.;.

Sift4G

Benign

0.074

T;T;T;D;T

Polyphen

0.32

B;.;.;.;.

Vest4

0.15

MutPred

0.13

Gain of glycosylation at A516 (P = 0.0038);.;Gain of glycosylation at A516 (P = 0.0038);.;.;

MVP

0.75

MPC

0.30

ClinPred

0.12

GERP RS

3.2

Varity_R

0.055

gMVP

0.57

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.10

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

Computational scores

Splicing

Publications

LitVar

Other links and lift over