Genetic Variant MSRA:p.Arg40Gly (chr8-10054634-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_012331.5(MSRA):c.118C>G(p.Arg40Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000254 in 1,575,944 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 34)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

MSRA
NM_012331.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.02

Publications

0 publications found

Variant links:

Genes affected

MSRA (HGNC:7377): (methionine sulfoxide reductase A) This gene encodes a ubiquitous and highly conserved protein that carries out the enzymatic reduction of methionine sulfoxide to methionine. Human and animal studies have shown the highest levels of expression in kidney and nervous tissue. The protein functions in the repair of oxidatively damaged proteins to restore biological activity. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2014]

MSRA links:

MSRA-DT (HGNC:55400): (MSRA divergent transcript)

MSRA-DT links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MSRA	NM_012331.5 link	c.118C>G	p.Arg40Gly	missense_variant	Exon 1 of 6	ENST00000317173.9	NP_036463.1	Q9UJ68-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MSRA	ENST00000317173.9 link	c.118C>G	p.Arg40Gly	missense_variant	Exon 1 of 6	1	NM_012331.5	ENSP00000313921.4		Q9UJ68-1

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

152012

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000929

AC:

AN:

215278

AF XY:

0.00000846

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000204

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000211

AC:

AN:

1423932

Hom.:

Cov.:

AF XY:

0.00000141

AC XY:

AN XY:

708342

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

29902

American (AMR)

AF:

0.00

AC:

AN:

40588

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24996

East Asian (EAS)

AF:

0.00

AC:

AN:

34468

South Asian (SAS)

AF:

0.00

AC:

AN:

82940

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52732

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5668

European-Non Finnish (NFE)

AF:

0.00000183

AC:

AN:

1093838

Other (OTH)

AF:

0.0000170

AC:

AN:

58800

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.458

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000658

AC:

AN:

152012

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74262

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41422

American (AMR)

AF:

0.00

AC:

AN:

15268

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10552

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

67972

Other (OTH)

AF:

0.00

AC:

AN:

2084

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ExAC

AF:

0.0000165

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Dec 28, 2022

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.118C>G (p.R40G) alteration is located in exon 1 (coding exon 1) of the MSRA gene. This alteration results from a C to G substitution at nucleotide position 118, causing the arginine (R) at amino acid position 40 to be replaced by a glycine (G). 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

Uncertain

0.42

BayesDel_addAF

Pathogenic

0.19

BayesDel_noAF

Uncertain

0.060

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.78

D;.;T

Eigen

Uncertain

0.25

Eigen_PC

Benign

0.19

FATHMM_MKL

Uncertain

0.86

M_CAP

Uncertain

0.11

MetaRNN

Uncertain

0.58

D;D;D

MetaSVM

Benign

-0.49

MutationAssessor

Uncertain

2.9

M;M;.

PhyloP100

2.0

PrimateAI

Uncertain

0.54

PROVEAN

Pathogenic

-6.2

D;D;D

REVEL

Benign

0.23

Sift

Pathogenic

0.0

D;D;D

Sift4G

Benign

0.066

T;D;D

Polyphen

0.99

D;D;.

Vest4

0.70

MutPred

0.33

Gain of glycosylation at K41 (P = 0.0921);Gain of glycosylation at K41 (P = 0.0921);Gain of glycosylation at K41 (P = 0.0921);

MVP

0.20

MPC

0.0027

ClinPred

0.99

GERP RS

4.1

PromoterAI

-0.39

Neutral

(source)

Varity_R

0.75

gMVP

0.64

Mutation Taster

=77/23

polymorphism

(source)

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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8-10054634-C-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over