rs771913411

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6_Very_StrongBP7

The NM_001387283.1(SMARCA4):​c.2769G>A​(p.Ala923Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000118 in 1,613,704 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 Likely benign (★★). Synonymous variant affecting the same amino acid position (i.e. A923A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

SMARCA4
NM_001387283.1 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -4.71

Publications

0 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 -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.64).
BP6
Variant 19-11021877-G-A is Benign according to our data. Variant chr19-11021877-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 415170.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-4.71 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SMARCA4NM_001387283.1 linkc.2769G>A p.Ala923Ala synonymous_variant Exon 19 of 36 ENST00000646693.2 NP_001374212.1
SMARCA4NM_003072.5 linkc.2769G>A p.Ala923Ala synonymous_variant Exon 19 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.2769G>A p.Ala923Ala synonymous_variant Exon 19 of 36 NM_001387283.1 ENSP00000495368.1 Q9HBD4
SMARCA4ENST00000344626.10 linkc.2769G>A p.Ala923Ala synonymous_variant Exon 19 of 35 1 NM_003072.5 ENSP00000343896.4 P51532-1
SMARCA4ENST00000643549.1 linkc.2769G>A p.Ala923Ala synonymous_variant Exon 19 of 35 ENSP00000493975.1 A0A2R8Y4P4
SMARCA4ENST00000541122.6 linkc.2769G>A p.Ala923Ala synonymous_variant Exon 20 of 35 5 ENSP00000445036.2 P51532-4
SMARCA4ENST00000643296.1 linkc.2769G>A p.Ala923Ala synonymous_variant Exon 19 of 34 ENSP00000496635.1 P51532-4
SMARCA4ENST00000644737.1 linkc.2769G>A p.Ala923Ala synonymous_variant Exon 19 of 34 ENSP00000495548.1 P51532-4
SMARCA4ENST00000589677.5 linkc.2769G>A p.Ala923Ala synonymous_variant Exon 20 of 35 5 ENSP00000464778.1 P51532-3
SMARCA4ENST00000643995.1 linkc.2181G>A p.Ala727Ala synonymous_variant Exon 16 of 32 ENSP00000496004.1 A0A2R8YGG3
SMARCA4ENST00000644963.1 linkc.1413G>A p.Ala471Ala synonymous_variant Exon 12 of 28 ENSP00000495599.1 A0A2R8YG32
SMARCA4ENST00000644065.1 linkc.1494G>A p.Ala498Ala synonymous_variant Exon 12 of 27 ENSP00000493615.1 A0A2R8Y440
SMARCA4ENST00000642350.1 linkc.1254G>A p.Ala418Ala synonymous_variant Exon 11 of 27 ENSP00000495355.1 A0A2R8Y6N0
SMARCA4ENST00000643857.1 linkc.1122G>A p.Ala374Ala synonymous_variant Exon 10 of 25 ENSP00000494159.1 A0A2R8Y526

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152274
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000399
AC:
1
AN:
250856
AF XY:
0.00
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000883
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000123
AC:
18
AN:
1461430
Hom.:
0
Cov.:
32
AF XY:
0.0000151
AC XY:
11
AN XY:
727034
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44718
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.0000504
AC:
2
AN:
39700
South Asian (SAS)
AF:
0.0000464
AC:
4
AN:
86254
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52998
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5754
European-Non Finnish (NFE)
AF:
0.0000108
AC:
12
AN:
1112004
Other (OTH)
AF:
0.00
AC:
0
AN:
60386
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.464
Heterozygous variant carriers
0
1
2
4
5
6
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152274
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74406
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41480
American (AMR)
AF:
0.00
AC:
0
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5208
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4838
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68040
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000151
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Rhabdoid tumor predisposition syndrome 2 Benign:1
Jan 07, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Hereditary cancer-predisposing syndrome Benign:1
Nov 13, 2017
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. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.64
CADD
Benign
5.8
DANN
Benign
0.75
PhyloP100
-4.7
PromoterAI
-0.0036
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Mutation Taster
=100/0
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: rs771913411; hg19: chr19-11132553; API