rs148530368

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS1

The NM_001387283.1(SMARCA4):​c.1076G>A​(p.Arg359Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000361 in 1,612,980 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 Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R359W) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00021 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00038 ( 0 hom. )

Consequence

SMARCA4
NM_001387283.1 missense

Scores

2
17

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:10

Conservation

PhyloP100: 1.61

Publications

7 publications found
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]
SMARCA4 Gene-Disease associations (from GenCC):
  • Coffin-Siris syndrome
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet, Illumina
  • intellectual disability, autosomal dominant 16
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics
  • rhabdoid tumor predisposition syndrome 2
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, ClinGen, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P
  • uterine corpus sarcoma
    Inheritance: AR Classification: MODERATE Submitted by: Genomics England PanelApp
  • familial rhabdoid tumor
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • hereditary nonpolyposis colon cancer
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.029369116).
BP6
Variant 19-10987882-G-A is Benign according to our data. Variant chr19-10987882-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 238359.
BS1
Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.00021 (32/152282) while in subpopulation AMR AF = 0.000392 (6/15296). AF 95% confidence interval is 0.000207. There are 0 homozygotes in GnomAd4. There are 15 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SMARCA4NM_001387283.1 linkc.1076G>A p.Arg359Gln missense_variant Exon 6 of 36 ENST00000646693.2 NP_001374212.1
SMARCA4NM_003072.5 linkc.1076G>A p.Arg359Gln missense_variant Exon 6 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.1076G>A p.Arg359Gln missense_variant Exon 6 of 36 NM_001387283.1 ENSP00000495368.1 Q9HBD4
SMARCA4ENST00000344626.10 linkc.1076G>A p.Arg359Gln missense_variant Exon 6 of 35 1 NM_003072.5 ENSP00000343896.4 P51532-1
SMARCA4ENST00000643549.1 linkc.1076G>A p.Arg359Gln missense_variant Exon 6 of 35 ENSP00000493975.1 A0A2R8Y4P4
SMARCA4ENST00000541122.6 linkc.1076G>A p.Arg359Gln missense_variant Exon 7 of 35 5 ENSP00000445036.2 P51532-4
SMARCA4ENST00000643296.1 linkc.1076G>A p.Arg359Gln missense_variant Exon 6 of 34 ENSP00000496635.1 P51532-4
SMARCA4ENST00000644737.1 linkc.1076G>A p.Arg359Gln missense_variant Exon 6 of 34 ENSP00000495548.1 P51532-4
SMARCA4ENST00000589677.5 linkc.1076G>A p.Arg359Gln missense_variant Exon 7 of 35 5 ENSP00000464778.1 P51532-3
SMARCA4ENST00000643995.1 linkc.488G>A p.Arg163Gln missense_variant Exon 3 of 32 ENSP00000496004.1 A0A2R8YGG3

Frequencies

GnomAD3 genomes
AF:
0.000210
AC:
32
AN:
152164
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000393
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.000309
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.000187
AC:
45
AN:
241264
AF XY:
0.000175
show subpopulations
Gnomad AFR exome
AF:
0.000130
Gnomad AMR exome
AF:
0.0000875
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000339
Gnomad OTH exome
AF:
0.000168
GnomAD4 exome
AF:
0.000377
AC:
551
AN:
1460698
Hom.:
0
Cov.:
34
AF XY:
0.000352
AC XY:
256
AN XY:
726620
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33468
American (AMR)
AF:
0.000157
AC:
7
AN:
44698
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26108
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39682
South Asian (SAS)
AF:
0.000151
AC:
13
AN:
86162
European-Finnish (FIN)
AF:
0.0000378
AC:
2
AN:
52880
Middle Eastern (MID)
AF:
0.000183
AC:
1
AN:
5476
European-Non Finnish (NFE)
AF:
0.000463
AC:
515
AN:
1111896
Other (OTH)
AF:
0.000215
AC:
13
AN:
60328
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
29
58
88
117
146
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000210
AC:
32
AN:
152282
Hom.:
0
Cov.:
32
AF XY:
0.000201
AC XY:
15
AN XY:
74474
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41554
American (AMR)
AF:
0.000392
AC:
6
AN:
15296
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5186
South Asian (SAS)
AF:
0.000207
AC:
1
AN:
4824
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00680
AC:
2
AN:
294
European-Non Finnish (NFE)
AF:
0.000309
AC:
21
AN:
68012
Other (OTH)
AF:
0.000473
AC:
1
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.503
Heterozygous variant carriers
0
2
4
6
8
10
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000361
Hom.:
0
Bravo
AF:
0.000219
ESP6500AA
AF:
0.000463
AC:
2
ESP6500EA
AF:
0.000119
AC:
1
ExAC
AF:
0.000165
AC:
20
EpiCase
AF:
0.000273
EpiControl
AF:
0.000356

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:10
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:2Benign:2
Jun 01, 2023
CeGaT Center for Human Genetics Tuebingen
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

SMARCA4: PP2, BS1 -

May 18, 2021
GeneDx
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

In silico analysis supports that this missense variant does not alter protein structure/function; Observed in individuals with a personal or family history including acute lymphoblastic leukemia (ALL) and other cancers (Zhang 2015, Wang 2017); This variant is associated with the following publications: (PMID: 26580448, 26353884, 23718828, 27363283) -

Jan 17, 2023
Quest Diagnostics Nichols Institute San Juan Capistrano
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Nov 03, 2021
Institute for Clinical Genetics, University Hospital TU Dresden, University Hospital TU Dresden
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Hereditary cancer-predisposing syndrome Benign:2
Aug 24, 2018
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. -

Jun 28, 2021
Sema4, Sema4
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:curation

- -

not specified Benign:1
Feb 16, 2025
Laboratory of Genetics, Children's Clinical University Hospital Latvia
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

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

- -

Rhabdoid tumor predisposition syndrome 2 Benign:1
Feb 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Rhabdoid tumor predisposition syndrome 2;C3553249:Intellectual disability, autosomal dominant 16;C5935610:Otosclerosis 12 Benign:1
Nov 24, 2023
Department of Pathology and Laboratory Medicine, Sinai Health System
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Coffin-Siris syndrome Benign:1
Jan 13, 2018
Illumina Laboratory Services, Illumina
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

SMARCA4-related disorder Benign:1
Jun 02, 2022
PreventionGenetics, part of Exact Sciences
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

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
0.080
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.42
CADD
Uncertain
26
DANN
Benign
0.95
DEOGEN2
Benign
0.16
T;.;T;.;.;.;.;.;.;.;T;.;.;.;.;.;T;T
Eigen
Benign
-0.82
Eigen_PC
Benign
-0.67
FATHMM_MKL
Benign
0.49
N
LIST_S2
Benign
0.64
.;T;.;.;.;.;T;.;.;.;T;.;T;T;T;T;T;T
M_CAP
Uncertain
0.18
D
MetaRNN
Benign
0.029
T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.63
T
MutationAssessor
Benign
0.73
N;.;.;.;N;N;.;N;N;N;N;N;N;N;N;N;.;.
PhyloP100
1.6
PrimateAI
Uncertain
0.72
T
PROVEAN
Benign
0.53
N;.;.;.;.;.;.;.;.;.;N;.;N;.;N;.;N;N
REVEL
Benign
0.23
Sift
Benign
0.66
T;.;.;.;.;.;.;.;.;.;T;.;T;.;T;.;T;T
Sift4G
Benign
0.63
T;.;.;.;.;.;.;.;.;.;T;.;T;T;T;T;T;T
Polyphen
0.0040
B;.;B;.;.;.;.;.;.;.;B;.;.;.;.;.;.;B
Vest4
0.30
MVP
0.43
MPC
1.4
ClinPred
0.022
T
GERP RS
3.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
2.2
Varity_R
0.12
gMVP
0.55
Mutation Taster
=93/7
polymorphism

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

Other links and lift over

dbSNP: rs148530368; hg19: chr19-11098558; COSMIC: COSV105909471; API