chr6-156777698-A-G

Variant names:

• chr6-156777698-A-G
• rs1244266795
• NM_001374828.1:c.18A>G

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 0P and 11B. BP4_Strong BP6_Moderate BP7 BS2

The NM_001374828.1(ARID1B):​c.18A>G​(p.Ala6Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000209 in 143,582 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 (★).

• Frequency:
  • Genomes: 𝑓 0.00021 (0 hom., cov: 31)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: ARID1B NM_001374828.1 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 0.459
• Publications: 0 publications found

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)

ENSG00000271551 (HGNC:):

ACMG classification

Our verdict: Benign. The variant received -11 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.73).
• BP6: Variant 6-156777698-A-G is Benign according to our data. Variant chr6-156777698-A-G is described in ClinVar as Likely_benign. ClinVar VariationId is 3389155.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=0.459 with no splicing effect.
• BS2: High AC in GnomAd4 at 30 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

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ARID1B	NM_001374828.1	MANE Select	c.18A>G	p.Ala6Ala	synonymous	Exon 1 of 20	NP_001361757.1	A0A6Q8NVI4
	ARID1B	NM_001438482.1		c.18A>G	p.Ala6Ala	synonymous	Exon 1 of 21	NP_001425411.1
	ARID1B	NM_001438483.1		c.18A>G	p.Ala6Ala	synonymous	Exon 1 of 21	NP_001425412.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ARID1B	ENST00000636930.2	TSL:2 MANE Select	c.18A>G	p.Ala6Ala	synonymous	Exon 1 of 20	ENSP00000490491.2	A0A6Q8NVI4
	ARID1B	ENST00000346085.10	TSL:1	c.18A>G	p.Ala6Ala	synonymous	Exon 2 of 21	ENSP00000344546.5	A0A3F2YNW7
	ARID1B	ENST00000350026.11	TSL:1	c.18A>G	p.Ala6Ala	synonymous	Exon 1 of 19	ENSP00000055163.8	Q8NFD5-5

Frequencies

GnomAD3 genomes AF: 0.000209 AC: 30 AN: 143530 Hom.: 0 Cov.: 31

Gnomad AFR AF: 0.000125

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000137

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.000210

Gnomad SAS AF: 0.000654

Gnomad FIN AF: 0.000123

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000277

Gnomad OTH AF: 0.00

GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 3162 Hom.: 0 Cov.: 0 AF XY: 0.00 AC XY: 0 AN XY: 1498

African (AFR) AF: 0.00 AC: 0 AN: 52

American (AMR) AF: 0.00 AC: 0 AN: 12

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 14

East Asian (EAS) AF: 0.00 AC: 0 AN: 18

South Asian (SAS) AF: 0.00 AC: 0 AN: 214

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 2

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 16

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 2710

Other (OTH) AF: 0.00 AC: 0 AN: 124

GnomAD4 genome AF: 0.000209 AC: 30 AN: 143582 Hom.: 0 Cov.: 31 AF XY: 0.000172 AC XY: 12 AN XY: 69816

African (AFR) AF: 0.000125 AC: 5 AN: 39986

American (AMR) AF: 0.000137 AC: 2 AN: 14570

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3364

East Asian (EAS) AF: 0.000211 AC: 1 AN: 4742

South Asian (SAS) AF: 0.000655 AC: 3 AN: 4582

European-Finnish (FIN) AF: 0.000123 AC: 1 AN: 8108

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 270

European-Non Finnish (NFE) AF: 0.000277 AC: 18 AN: 65064

Other (OTH) AF: 0.00 AC: 0 AN: 2002

Alfa AF: 0.000337 Hom.: 0

ClinVar

ClinVar submissions

Significance: Likely benign

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	-	1	not provided (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.73
CADD	Benign	10
DANN	Benign	0.31
PhyloP100		0.46
PromoterAI		-0.020	Neutral

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs1244266795; hg19: chr6-157098832; COSMIC: COSV51666490; COSMIC: COSV51666490;