rs374983142

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 1P and 11B. PP2BP4_ModerateBP6BS1BS2

The NM_003072.5(SMARCA4):​c.4678G>A​(p.Val1560Met) variant causes a missense change. The variant allele was found at a frequency of 0.0000131 in 1,607,246 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

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

Consequence

SMARCA4
NM_003072.5 missense

Scores

2
3
14

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:2

Conservation

PhyloP100: 4.67
Variant links:
Genes affected
SMARCA4 (HGNC:11100): (SWI/SNF related, matrix associated, actin dependent regulator of chromatin, subfamily a, member 4) The protein encoded by this gene is a member of the SWI/SNF family of proteins and is similar to the brahma protein of Drosophila. Members of this family have helicase and ATPase activities and are thought to regulate transcription of certain genes by altering the chromatin structure around those genes. The encoded protein is part of the large ATP-dependent chromatin remodeling complex SNF/SWI, which is required for transcriptional activation of genes normally repressed by chromatin. In addition, this protein can bind BRCA1, as well as regulate the expression of the tumorigenic protein CD44. Mutations in this gene cause rhabdoid tumor predisposition syndrome type 2. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

PP2
Missense variant in the SMARCA4 gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 59 curated pathogenic missense variants (we use a threshold of 10). The gene has 56 curated benign missense variants. Gene score misZ: 6.8459 (above the threshold of 3.09). Trascript score misZ: 8.7957 (above the threshold of 3.09). GenCC associations: The gene is linked to uterine corpus sarcoma, Coffin-Siris syndrome 1, intellectual disability, autosomal dominant 16, rhabdoid tumor predisposition syndrome 2, familial rhabdoid tumor, hereditary nonpolyposis colon cancer, Coffin-Siris syndrome.
BP4
Computational evidence support a benign effect (MetaRNN=0.18461278).
BP6
Variant 19-11059795-G-A is Benign according to our data. Variant chr19-11059795-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 570004.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=2, Uncertain_significance=2}.
BS1
Variant frequency is greater than expected in population sas. gnomad4_exome allele frequency = 0.0000131 (19/1454992) while in subpopulation SAS AF= 0.000129 (11/85144). AF 95% confidence interval is 0.0000721. There are 0 homozygotes in gnomad4_exome. There are 15 alleles in male gnomad4_exome subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAdExome4 at 19 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SMARCA4NM_001387283.1 linkc.4774G>A p.Val1592Met missense_variant Exon 34 of 36 ENST00000646693.2 NP_001374212.1
SMARCA4NM_003072.5 linkc.4678G>A p.Val1560Met missense_variant Exon 33 of 35 ENST00000344626.10 NP_003063.2 P51532-1A7E2E1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SMARCA4ENST00000646693.2 linkc.4774G>A p.Val1592Met missense_variant Exon 34 of 36 NM_001387283.1 ENSP00000495368.1 Q9HBD4
SMARCA4ENST00000344626.10 linkc.4678G>A p.Val1560Met missense_variant Exon 33 of 35 1 NM_003072.5 ENSP00000343896.4 P51532-1
SMARCA4ENST00000643549.1 linkc.4684G>A p.Val1562Met missense_variant Exon 33 of 35 ENSP00000493975.1 A0A2R8Y4P4
SMARCA4ENST00000541122.6 linkc.4588G>A p.Val1530Met missense_variant Exon 33 of 35 5 ENSP00000445036.2 P51532-4
SMARCA4ENST00000643296.1 linkc.4588G>A p.Val1530Met missense_variant Exon 32 of 34 ENSP00000496635.1 P51532-4
SMARCA4ENST00000644737.1 linkc.4588G>A p.Val1530Met missense_variant Exon 32 of 34 ENSP00000495548.1 P51532-4
SMARCA4ENST00000589677.5 linkc.4585G>A p.Val1529Met missense_variant Exon 33 of 35 5 ENSP00000464778.1 P51532-3
SMARCA4ENST00000643995.1 linkc.4099G>A p.Val1367Met missense_variant Exon 30 of 32 ENSP00000496004.1 A0A2R8YGG3
SMARCA4ENST00000644963.1 linkc.3328G>A p.Val1110Met missense_variant Exon 26 of 28 ENSP00000495599.1 A0A2R8YG32
SMARCA4ENST00000644065.1 linkc.3310G>A p.Val1104Met missense_variant Exon 25 of 27 ENSP00000493615.1 A0A2R8Y440
SMARCA4ENST00000642350.1 linkc.3172G>A p.Val1058Met missense_variant Exon 25 of 27 ENSP00000495355.1 A0A2R8Y6N0
SMARCA4ENST00000643857.1 linkc.2938G>A p.Val980Met missense_variant Exon 23 of 25 ENSP00000494159.1 A0A2R8Y526
SMARCA4ENST00000538456.4 linkc.742G>A p.Val248Met missense_variant Exon 6 of 8 3 ENSP00000495197.1 A0A2R8YFK5

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152254
Hom.:
0
Cov.:
33
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:
0.0000298
AC:
7
AN:
234874
Hom.:
0
AF XY:
0.0000471
AC XY:
6
AN XY:
127292
show subpopulations
Gnomad AFR exome
AF:
0.0000667
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000571
Gnomad SAS exome
AF:
0.000171
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000131
AC:
19
AN:
1454992
Hom.:
0
Cov.:
32
AF XY:
0.0000207
AC XY:
15
AN XY:
723246
show subpopulations
Gnomad4 AFR exome
AF:
0.0000300
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000129
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000631
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152254
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74378
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:
0.0000247
AC:
3
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Hereditary cancer-predisposing syndrome Benign:2
Mar 24, 2022
Ambry Genetics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Feb 24, 2022
Sema4, Sema4
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: curation

- -

Intellectual disability, autosomal dominant 16 Uncertain:1
Jul 15, 2021
Genome-Nilou Lab
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Rhabdoid tumor predisposition syndrome 2 Uncertain:1
Oct 04, 2022
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 1592 of the SMARCA4 protein (p.Val1592Met). This variant is present in population databases (rs374983142, gnomAD 0.02%). This variant has not been reported in the literature in individuals affected with SMARCA4-related conditions. ClinVar contains an entry for this variant (Variation ID: 570004). 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 SMARCA4 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
Uncertain
0.37
BayesDel_addAF
Benign
-0.28
T
BayesDel_noAF
Benign
-0.38
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Benign
0.30
T;.;T;.;.;.;.;.;.;.;T;.;.;.;.;.;T;T;.;.;.;.
Eigen
Benign
0.13
Eigen_PC
Benign
0.18
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Pathogenic
0.98
.;D;.;.;.;.;D;.;.;.;D;.;D;D;D;D;D;D;D;D;D;D
M_CAP
Benign
0.023
T
MetaRNN
Benign
0.18
T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.69
N;.;.;.;.;.;.;.;.;.;N;.;.;.;.;.;.;.;.;.;.;.
PrimateAI
Pathogenic
0.88
D
PROVEAN
Benign
-0.85
N;.;.;.;.;.;.;.;.;.;N;.;.;.;N;.;.;.;.;.;.;.
REVEL
Benign
0.10
Sift
Benign
0.086
T;.;.;.;.;.;.;.;.;.;T;.;.;.;T;.;.;.;.;.;.;.
Sift4G
Benign
0.13
T;.;.;.;.;.;.;.;.;.;T;.;T;T;T;T;T;T;.;.;.;.
Polyphen
0.81
P;.;D;.;.;.;.;.;.;.;P;.;.;.;.;.;.;D;.;.;.;.
Vest4
0.50
MutPred
0.27
.;.;Gain of catalytic residue at V1588 (P = 0.0218);.;.;.;.;.;.;.;.;.;.;.;.;.;.;Gain of catalytic residue at V1588 (P = 0.0218);.;.;.;.;
MVP
0.45
MPC
1.6
ClinPred
0.072
T
GERP RS
4.0
RBP_binding_hub_radar
0.92
RBP_regulation_power_radar
2.6
Varity_R
0.20
gMVP
0.90

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.

Other links and lift over

dbSNP: rs374983142; hg19: chr19-11170471; API