rs199797401

Positions:

chr5-139325525-C-T

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 1P and 6B. PP2BP4_ModerateBS2

The ENST00000394805.8(MATR3):c.2234C>T(p.Ala745Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000244 in 1,614,052 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A745P) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00025 ( 0 hom. )

Consequence

MATR3
ENST00000394805.8 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2B:1

Conservation

PhyloP100: 0.797

Variant links:

Genes affected

MATR3 (HGNC:6912): (matrin 3) This gene encodes a nuclear matrix protein, which is proposed to stabilize certain messenger RNA species. Mutations of this gene are associated with distal myopathy 2, which often includes vocal cord and pharyngeal weakness. Alternatively spliced transcript variants, including read-through transcripts composed of the upstream small nucleolar RNA host gene 4 (non-protein coding) and matrin 3 gene sequence, have been identified. Pseudogenes of this gene are located on chromosomes 1 and X. [provided by RefSeq, Aug 2013]

MATR3 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PP2

Missense variant in gene, where missense usually causes diseases (based on misZ statistic), MATR3. . Gene score misZ 2.7297 (greater than the threshold 3.09). Trascript score misZ 3.9451 (greater than threshold 3.09). GenCC has associacion of gene with amyotrophic lateral sclerosis, distal myopathy with vocal cord weakness, amyotrophic lateral sclerosis type 21.

BP4

Computational evidence support a benign effect (MetaRNN=0.09736428).

BS2

High AC in GnomAd4 at 22 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
MATR3	NM_018834.6 linkuse as main transcript	c.2234C>T	p.Ala745Val	missense_variant	13/15	ENST00000394805.8	NP_061322.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
MATR3	ENST00000394805.8 linkuse as main transcript	c.2234C>T	p.Ala745Val	missense_variant	13/15	1	NM_018834.6	ENSP00000378284	P1	P43243-1

Frequencies

GnomAD3 genomes

AF:

0.000145

AC:

AN:

152164

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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:

0.000309

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000795

AC:

AN:

251464

Hom.:

AF XY:

0.0000883

AC XY:

AN XY:

135902

show subpopulations

Gnomad AFR exome

AF:

0.0000615

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:

0.000158

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000254

AC:

372

AN:

1461888

Hom.:

Cov.:

AF XY:

0.000278

AC XY:

202

AN XY:

727246

show subpopulations

Gnomad4 AFR exome

AF:

0.0000597

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:

0.000326

Gnomad4 OTH exome

AF:

0.000132

GnomAD4 genome

AF:

0.000145

AC:

AN:

152164

Hom.:

Cov.:

AF XY:

0.000135

AC XY:

AN XY:

74340

show subpopulations

Gnomad4 AFR

AF:

0.0000241

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:

0.000309

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000230

Hom.:

Bravo

AF:

0.000110

TwinsUK

AF:

0.000539

AC:

ALSPAC

AF:

0.000778

AC:

ExAC

AF:

0.0000330

AC:

EpiCase

AF:

0.000164

EpiControl

AF:

0.000296

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2Benign:1

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Amyotrophic lateral sclerosis type 21

Uncertain:2

Uncertain significance, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Dec 07, 2023	This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 745 of the MATR3 protein (p.Ala745Val). This variant is present in population databases (rs199797401, gnomAD 0.02%). This variant has not been reported in the literature in individuals affected with MATR3-related conditions. ClinVar contains an entry for this variant (Variation ID: 574594). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt MATR3 protein function with a negative predictive value of 80%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
Uncertain significance, criteria provided, single submitter	clinical testing	Revvity Omics, Revvity	May 28, 2019	- -

MATR3-related disorder

Benign:1

Likely benign, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

Mar 26, 2024

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.072

BayesDel_addAF

Benign

-0.25

BayesDel_noAF

Benign

-0.34

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.039

T;T;T;T;T;T;T;T;.;T;.

Eigen

Benign

-0.34

Eigen_PC

Benign

-0.18

FATHMM_MKL

Benign

0.55

LIST_S2

Uncertain

0.87

.;.;.;.;D;.;D;D;D;D;D

M_CAP

Benign

0.015

MetaRNN

Benign

0.097

T;T;T;T;T;T;T;T;T;T;T

MetaSVM

Benign

-0.83

MutationAssessor

Benign

0.0

N;N;.;.;.;N;.;.;.;N;.

MutationTaster

Benign

0.88

N;N;N;N;N;N;N;N;N

PrimateAI

Benign

0.44

PROVEAN

Benign

-0.59

N;N;N;N;N;N;N;N;N;.;.

REVEL

Benign

0.096

Sift

Uncertain

0.012

D;D;D;T;T;D;D;D;D;.;.

Sift4G

Benign

0.32

T;T;.;T;T;T;.;T;T;T;T

Polyphen

0.0010

B;B;.;B;B;B;.;B;.;B;.

Vest4

0.18

MVP

0.74

MPC

0.11

ClinPred

0.040

GERP RS

3.6

Varity_R

0.067

gMVP

0.23

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

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