Genetic Variant MALT1:p.Pro25Pro (chr18-58671718-G-T) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_006785.4(MALT1):c.75G>T(p.Pro25Pro) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000156 in 1,279,210 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. P25P) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 8.9e-7 ( 0 hom. )

Consequence

MALT1
NM_006785.4 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.630

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:

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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 (BayesDel_noAF=-0.82).

BP7

Synonymous conserved (PhyloP=-0.63 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MALT1	NM_006785.4 link	c.75G>T	p.Pro25Pro	synonymous_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.75G>T	p.Pro25Pro	synonymous_variant	Exon 1 of 17		NM_006785.4	ENSP00000497997.1		Q9UDY8-1

Frequencies

GnomAD3 genomes

AF:

0.00000659

AC:

AN:

151858

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:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

8.87e-7

AC:

AN:

1127244

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

543210

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

23162

American (AMR)

AF:

0.00

AC:

AN:

11628

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

15648

East Asian (EAS)

AF:

0.00

AC:

AN:

26066

South Asian (SAS)

AF:

0.00

AC:

AN:

34516

European-Finnish (FIN)

AF:

0.00

AC:

AN:

23396

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3050

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

945002

Other (OTH)

AF:

0.0000223

AC:

AN:

44776

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000658

AC:

AN:

151966

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74294

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41530

American (AMR)

AF:

0.00

AC:

AN:

15256

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5168

South Asian (SAS)

AF:

0.000207

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10486

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67912

Other (OTH)

AF:

0.00

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.82

CADD

Benign

6.5

(source)

DANN

Benign

0.68

PhyloP100

-0.63

PromoterAI

-0.032

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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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18-58671718-G-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over