rs112474841

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_001374828.1(ARID1B):c.1194A>C(p.Gly398Gly) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00128 in 1,340,260 control chromosomes in the GnomAD database, including 12 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0020 ( 1 hom., cov: 29)

Exomes 𝑓: 0.0012 ( 11 hom. )

Consequence

ARID1B
NM_001374828.1 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:10

Conservation

PhyloP100: 2.06

Publications

2 publications found

Variant links:

Genes affected

ARID1B (HGNC:18040): (AT-rich interaction domain 1B) This locus encodes an AT-rich DNA interacting domain-containing protein. The encoded protein is a component of the SWI/SNF chromatin remodeling complex and may play a role in cell-cycle activation. The protein encoded by this locus is similar to AT-rich interactive domain-containing protein 1A. These two proteins function as alternative, mutually exclusive ARID-subunits of the SWI/SNF complex. The associated complexes play opposing roles. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2016]

ARID1B Gene-Disease associations (from GenCC):

Coffin-Siris syndrome
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, Illumina, ClinGen
Coffin-Siris syndrome 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics

ARID1B links:

ENSG00000296922 (HGNC:):

ENSG00000296922 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.82).

BP6

Variant 6-156778874-A-C is Benign according to our data. Variant chr6-156778874-A-C is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 434353.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=2.07 with no splicing effect.

BS1

Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.002 (270/135162) while in subpopulation AMR AF = 0.00202 (28/13840). AF 95% confidence interval is 0.00162. There are 1 homozygotes in GnomAd4. There are 135 alleles in the male GnomAd4 subpopulation. Median coverage is 29. This position passed quality control check.

BS2

High AC in GnomAd4 at 270 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ARID1B	NM_001374828.1 link	c.1194A>C	p.Gly398Gly	synonymous_variant	Exon 1 of 20	ENST00000636930.2	NP_001361757.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ARID1B	ENST00000636930.2 link	c.1194A>C	p.Gly398Gly	synonymous_variant	Exon 1 of 20	2	NM_001374828.1	ENSP00000490491.2		Q8NFD5-3A0A6Q8NVI4

Frequencies

GnomAD3 genomes

AF:

0.00200

AC:

270

AN:

135056

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00199

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00203

Gnomad ASJ

AF:

0.0286

Gnomad EAS

AF:

0.00136

Gnomad SAS

AF:

0.000485

Gnomad FIN

AF:

0.000112

Gnomad MID

AF:

0.00417

Gnomad NFE

AF:

0.00105

Gnomad OTH

AF:

0.00429

GnomAD2 exomes

AF:

0.00150

AC:

AN:

51868

AF XY:

0.00147

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00107

Gnomad ASJ exome

AF:

0.0141

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000851

Gnomad NFE exome

AF:

0.000602

Gnomad OTH exome

AF:

0.00165

GnomAD4 exome

AF:

0.00119

AC:

1440

AN:

1205098

Hom.:

Cov.:

AF XY:

0.00122

AC XY:

721

AN XY:

591454

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00210

AC:

AN:

23760

American (AMR)

AF:

0.00183

AC:

AN:

16360

Ashkenazi Jewish (ASJ)

AF:

0.0251

AC:

453

AN:

18012

East Asian (EAS)

AF:

0.000366

AC:

AN:

27306

South Asian (SAS)

AF:

0.000516

AC:

AN:

54214

European-Finnish (FIN)

AF:

0.0000491

AC:

AN:

40760

Middle Eastern (MID)

AF:

0.0109

AC:

AN:

4570

European-Non Finnish (NFE)

AF:

0.000703

AC:

683

AN:

971650

Other (OTH)

AF:

0.00276

AC:

134

AN:

48466

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.396

Heterozygous variant carriers

136

203

271

339

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

120

160

200

<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:

0.00200

AC:

270

AN:

135162

Hom.:

Cov.:

AF XY:

0.00204

AC XY:

135

AN XY:

66042

show subpopulations

African (AFR)

AF:

0.00199

AC:

AN:

36266

American (AMR)

AF:

0.00202

AC:

AN:

13840

Ashkenazi Jewish (ASJ)

AF:

0.0286

AC:

AN:

3038

East Asian (EAS)

AF:

0.00136

AC:

AN:

4416

South Asian (SAS)

AF:

0.000485

AC:

AN:

4124

European-Finnish (FIN)

AF:

0.000112

AC:

AN:

8918

Middle Eastern (MID)

AF:

0.00450

AC:

AN:

222

European-Non Finnish (NFE)

AF:

0.00105

AC:

AN:

61776

Other (OTH)

AF:

0.00424

AC:

AN:

1888

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.449

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.00278

Hom.:

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:10

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:5

Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Nov 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

ARID1B: BP4, BP7 -

Dec 17, 2018

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Jan 22, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Breakthrough Genomics, Breakthrough Genomics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

not specified

Benign:2

Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Oct 12, 2015

Genetic Services Laboratory, University of Chicago

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Inborn genetic diseases

Benign:1

May 06, 2016

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. -

ARID1B-related disorder

Benign:1

Jul 02, 2019

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Coffin-Siris syndrome 1

Benign:1

Jul 15, 2021

Genome-Nilou Lab

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.82

CADD

Benign

(source)

DANN

Benign

0.38

PhyloP100

2.1

Mutation Taster

=98/2

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over