18-58671692-C-T

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBS1_Supporting

The NM_006785.4(MALT1):c.49C>T(p.Pro17Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000319 in 1,254,808 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000018 ( 0 hom. )

Consequence

MALT1
NM_006785.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.465

Publications

0 publications found

Variant links:

Genes affected

MALT1 (HGNC:6819): (MALT1 paracaspase) This gene encodes a caspase-like protease that plays a role in BCL10-induced activation of NF-kappaB. The protein is a component of the CARMA1-BCL10-MALT1 (CBM) signalosome that triggers NF-kappaB signaling and lymphoctye activation following antigen-receptor stimulation. Mutations in this gene result in immunodeficiency 12 (IMD12). This gene has been found to be recurrently rearranged in chromosomal translocations with other genes in mucosa-associated lymphoid tissue lymphomas, including a t(11;18)(q21;q21) translocation with the baculoviral IAP repeat-containing protein 3 (also known as apoptosis inhibitor 2) locus [BIRC3(API2)-MALT1], and a t(14;18)(q32;q21) translocation with the immunoglobulin heavy chain locus (IGH-MALT1). Alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, May 2018]

MALT1 links:

MALT1-AS1 (HGNC:55306): (MALT1 antisense RNA 1)

MALT1-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.031184673).

BS1

Variant frequency is greater than expected in population sas. GnomAd4 allele frequency = 0.0000132 (2/151986) while in subpopulation SAS AF = 0.000414 (2/4830). AF 95% confidence interval is 0.0000729. There are 0 homozygotes in GnomAd4. There are 1 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MALT1	NM_006785.4 link	c.49C>T	p.Pro17Ser	missense_variant	Exon 1 of 17	ENST00000649217.2	NP_006776.1	Q9UDY8-1A8K5S1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MALT1	ENST00000649217.2 link	c.49C>T	p.Pro17Ser	missense_variant	Exon 1 of 17		NM_006785.4	ENSP00000497997.1		Q9UDY8-1

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

151878

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:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000181

AC:

AN:

1102822

Hom.:

Cov.:

AF XY:

0.00000189

AC XY:

AN XY:

528208

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

22706

American (AMR)

AF:

0.00

AC:

AN:

9440

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

14578

East Asian (EAS)

AF:

0.00

AC:

AN:

25846

South Asian (SAS)

AF:

0.0000359

AC:

AN:

27892

European-Finnish (FIN)

AF:

0.00

AC:

AN:

22194

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2946

European-Non Finnish (NFE)

AF:

0.00000107

AC:

AN:

933456

Other (OTH)

AF:

0.00

AC:

AN:

43764

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.375

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000132

AC:

AN:

151986

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74306

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41536

American (AMR)

AF:

0.00

AC:

AN:

15262

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5164

South Asian (SAS)

AF:

0.000414

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10482

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67932

Other (OTH)

AF:

0.00

AC:

AN:

2108

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Combined immunodeficiency due to MALT1 deficiency

Uncertain:1

Feb 03, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces proline, which is neutral and non-polar, with serine, which is neutral and polar, at codon 17 of the MALT1 protein (p.Pro17Ser). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MALT1-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0". The serine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.069

BayesDel_addAF

Benign

-0.37

BayesDel_noAF

Benign

-0.77

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.21

T;T;.

Eigen

Benign

-1.2

Eigen_PC

Benign

-1.2

FATHMM_MKL

Benign

0.0023

LIST_S2

Benign

0.51

.;T;T

M_CAP

Uncertain

0.10

MetaRNN

Benign

0.031

T;T;T

MetaSVM

Benign

-0.93

MutationAssessor

Benign

0.71

N;N;N

PhyloP100

-0.47

PrimateAI

Uncertain

0.79

PROVEAN

Benign

-0.19

N;.;N

REVEL

Benign

0.022

Sift

Benign

0.75

T;.;T

Sift4G

Benign

0.59

T;.;T

Polyphen

0.0

B;B;B

Vest4

0.051

MutPred

0.15

Gain of phosphorylation at P17 (P = 0.0252);Gain of phosphorylation at P17 (P = 0.0252);Gain of phosphorylation at P17 (P = 0.0252);

MVP

0.17

MPC

1.1

ClinPred

0.065

GERP RS

1.6

PromoterAI

0.0083

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.1

Varity_R

0.021

gMVP

0.56

Mutation Taster

=97/3

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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18-58671692-C-T

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