NM_001374828.1:c.1223_1234delGAGGAGGAGGAG

Variant names:

Variant summary

Our verdict is Benign. The variant received -17 ACMG points: 0P and 17B. BP3BP6_Very_StrongBS1BS2

The NM_001374828.1(ARID1B):c.1223_1234delGAGGAGGAGGAG(p.Gly408_Gly411del) variant causes a disruptive inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000776 in 1,366,606 control chromosomes in the GnomAD database, with no homozygous occurrence. It is difficult to determine the true allele frequency of this variant because it is of type DEL_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00017 ( 0 hom., cov: 29)

Exomes 𝑓: 0.000067 ( 0 hom. )

Consequence

ARID1B
NM_001374828.1 disruptive_inframe_deletion

Scores

Not classified

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts U:1B:5

Conservation

PhyloP100: 3.18

Publications

0 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 -17 ACMG points.

BP3

Nonframeshift variant in repetitive region in NM_001374828.1

BP6

Variant 6-156778889-CGGAGGAGGAGGA-C is Benign according to our data. Variant chr6-156778889-CGGAGGAGGAGGA-C is described in ClinVar as [Likely_benign]. Clinvar id is 591999.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population eas. GnomAd4 allele frequency = 0.000168 (24/143056) while in subpopulation EAS AF = 0.00298 (14/4694). AF 95% confidence interval is 0.0018. There are 0 homozygotes in GnomAd4. There are 10 alleles in the male GnomAd4 subpopulation. Median coverage is 29. This position passed quality control check.

BS2

High AC in GnomAd4 at 24 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ARID1B	NM_001374828.1 link	c.1223_1234delGAGGAGGAGGAG	p.Gly408_Gly411del	disruptive_inframe_deletion	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.1223_1234delGAGGAGGAGGAG	p.Gly408_Gly411del	disruptive_inframe_deletion	Exon 1 of 20	2	NM_001374828.1	ENSP00000490491.2		Q8NFD5-3A0A6Q8NVI4

Frequencies

GnomAD3 genomes

AF:

0.000161

AC:

AN:

142982

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000103

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00297

Gnomad SAS

AF:

0.000224

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000618

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000670

AC:

AN:

1223550

Hom.:

AF XY:

0.0000634

AC XY:

AN XY:

599380

show subpopulations

African (AFR)

AF:

0.000292

AC:

AN:

23958

American (AMR)

AF:

0.0000687

AC:

AN:

14566

Ashkenazi Jewish (ASJ)

AF:

0.0000537

AC:

AN:

18616

East Asian (EAS)

AF:

0.000924

AC:

AN:

27060

South Asian (SAS)

AF:

0.000114

AC:

AN:

52790

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40134

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4406

European-Non Finnish (NFE)

AF:

0.0000373

AC:

AN:

992596

Other (OTH)

AF:

0.000101

AC:

AN:

49424

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.470

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

AF:

0.000168

AC:

AN:

143056

Hom.:

Cov.:

AF XY:

0.000143

AC XY:

AN XY:

69794

show subpopulations

African (AFR)

AF:

0.000128

AC:

AN:

38934

American (AMR)

AF:

0.00

AC:

AN:

14550

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3376

East Asian (EAS)

AF:

0.00298

AC:

AN:

4694

South Asian (SAS)

AF:

0.000225

AC:

AN:

4448

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9258

Middle Eastern (MID)

AF:

0.00

AC:

AN:

254

European-Non Finnish (NFE)

AF:

0.0000618

AC:

AN:

64716

Other (OTH)

AF:

0.00

AC:

AN:

1982

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.510

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:

0.0000862

Hom.:

ClinVar

Significance: Benign/Likely benign

Submissions summary: Uncertain:1Benign:5

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Uncertain:1Benign:3

Jan 28, 2022

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Sep 16, 2018

Gharavi Laboratory, Columbia University

Significance:Uncertain significance

Review Status:no assertion criteria provided

Collection Method:research

- -

Jan 13, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Sep 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

ARID1B: BS1, BS2 -

Inborn genetic diseases

Benign:1

Aug 30, 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. -

ARID1B-related disorder

Benign:1

Aug 17, 2023

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

PhyloP100

3.2

Mutation Taster

=194/6

polymorphism

(source)

Splicing

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