Genetic Variant NM_001374828.1:c.4603T>G (chr6-157200828-T-G) – ACMG Classification: Benign (-18 pts)

Variant summary

Our verdict is Benign. The variant received -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBS1BS2

The NM_001374828.1(ARID1B):c.4603T>G(p.Ser1535Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000201 in 1,613,918 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S1535L) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00021 ( 0 hom. )

Consequence

ARID1B
NM_001374828.1 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 1.53

Publications

5 publications found

Variant links:

COSMIC-nc: COSV105862799

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

ARID1B links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -18 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.09726006).

BP6

Variant 6-157200828-T-G is Benign according to our data. Variant chr6-157200828-T-G is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 445567.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population nfe. GnomAdExome4 allele frequency = 0.000207 (302/1461780) while in subpopulation NFE AF = 0.000255 (284/1112010). AF 95% confidence interval is 0.00023. There are 0 homozygotes in GnomAdExome4. There are 135 alleles in the male GnomAdExome4 subpopulation. Median coverage is 31. This position passed quality control check.

BS2

High AC in GnomAd4 at 22 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001374828.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ARID1B	NM_001374828.1	MANE Select	c.4603T>G	p.Ser1535Ala	missense	Exon 18 of 20	NP_001361757.1	A0A6Q8NVI4
ARID1B	NM_001438482.1		c.4732T>G	p.Ser1578Ala	missense	Exon 19 of 21	NP_001425411.1
ARID1B	NM_001438483.1		c.4645T>G	p.Ser1549Ala	missense	Exon 19 of 21	NP_001425412.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ARID1B	ENST00000636930.2	TSL:2 MANE Select	c.4603T>G	p.Ser1535Ala	missense	Exon 18 of 20	ENSP00000490491.2	A0A6Q8NVI4
ARID1B	ENST00000346085.10	TSL:1	c.4483T>G	p.Ser1495Ala	missense	Exon 19 of 21	ENSP00000344546.5	A0A3F2YNW7
ARID1B	ENST00000350026.11	TSL:1	c.4444T>G	p.Ser1482Ala	missense	Exon 17 of 19	ENSP00000055163.8	Q8NFD5-5

Frequencies

GnomAD3 genomes

AF:

0.000145

AC:

AN:

152138

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000965

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:

0.000250

Gnomad OTH

AF:

0.000479

GnomAD2 exomes

AF:

0.0000916

AC:

AN:

251118

AF XY:

0.000110

show subpopulations

Gnomad AFR exome

AF:

0.000123

Gnomad AMR exome

AF:

0.0000868

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000159

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000207

AC:

302

AN:

1461780

Hom.:

Cov.:

AF XY:

0.000186

AC XY:

135

AN XY:

727196

show subpopulations

African (AFR)

AF:

0.0000597

AC:

AN:

33480

American (AMR)

AF:

0.000179

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.0000375

AC:

AN:

53310

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000255

AC:

284

AN:

1112010

Other (OTH)

AF:

0.0000993

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.474

Heterozygous variant carriers

101

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

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:

0.000145

AC:

AN:

152138

Hom.:

Cov.:

AF XY:

0.0000673

AC XY:

AN XY:

74322

show subpopulations

African (AFR)

AF:

0.0000965

AC:

AN:

41440

American (AMR)

AF:

0.00

AC:

AN:

15280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000250

AC:

AN:

68000

Other (OTH)

AF:

0.000479

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.502

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:

0.000196

Hom.:

Bravo

AF:

0.000102

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.0000824

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.0000593

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (4)

ARID1B-related disorder (1)

Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.075

BayesDel_addAF

Benign

-0.43

BayesDel_noAF

Benign

-0.47

CADD

Benign

(source)

DANN

Benign

0.92

DEOGEN2

Benign

0.023

Eigen

Benign

-0.064

Eigen_PC

Benign

0.036

FATHMM_MKL

Uncertain

0.91

LIST_S2

Benign

0.55

M_CAP

Benign

0.010

MetaRNN

Benign

0.097

MetaSVM

Benign

-0.80

MutationAssessor

Benign

1.6

PhyloP100

1.5

PrimateAI

Benign

0.40

PROVEAN

Benign

-0.59

REVEL

Benign

0.10

Sift

Benign

0.49

Sift4G

Benign

0.66

Polyphen

0.28

Vest4

0.48

MVP

0.60

MPC

0.54

ClinPred

0.029

GERP RS

4.9

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.8

Varity_R

0.069

gMVP

0.31

Mutation Taster

=73/27

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over