dbSNP rs35288908: CTNNB1:p.Asn287Ser (chr3-41225785-A-G) – ACMG Classification: Benign (-20 pts)

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001904.4(CTNNB1):c.860A>G(p.Asn287Ser) variant causes a missense change. The variant allele was found at a frequency of 0.00121 in 1,614,172 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict 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. N287N) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00085 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0013 ( 2 hom. )

Consequence

CTNNB1
NM_001904.4 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:10O:1

Conservation

PhyloP100: 5.32

Publications

42 publications found

Variant links:

Genes affected

CTNNB1 (HGNC:2514): (catenin beta 1) The protein encoded by this gene is part of a complex of proteins that constitute adherens junctions (AJs). AJs are necessary for the creation and maintenance of epithelial cell layers by regulating cell growth and adhesion between cells. The encoded protein also anchors the actin cytoskeleton and may be responsible for transmitting the contact inhibition signal that causes cells to stop dividing once the epithelial sheet is complete. Finally, this protein binds to the product of the APC gene, which is mutated in adenomatous polyposis of the colon. Mutations in this gene are a cause of colorectal cancer (CRC), pilomatrixoma (PTR), medulloblastoma (MDB), and ovarian cancer. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2016]

CTNNB1 Gene-Disease associations (from GenCC):

exudative vitreoretinopathy
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, G2P
severe intellectual disability-progressive spastic diplegia syndrome
Inheritance: Unknown, AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, ClinGen, G2P, Labcorp Genetics (formerly Invitae), Illumina, Ambry Genetics
exudative vitreoretinopathy 7
Inheritance: AD Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics

CTNNB1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.044033676).

BP6

Variant 3-41225785-A-G is Benign according to our data. Variant chr3-41225785-A-G is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 133954.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.000853 (130/152372) while in subpopulation NFE AF = 0.00148 (101/68044). AF 95% confidence interval is 0.00125. There are 0 homozygotes in GnomAd4. There are 55 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 130 AD,Unknown gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001904.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CTNNB1	NM_001904.4	MANE Select	c.860A>G	p.Asn287Ser	missense	Exon 6 of 15	NP_001895.1	P35222
CTNNB1	NM_001098209.2		c.860A>G	p.Asn287Ser	missense	Exon 6 of 16	NP_001091679.1	P35222
CTNNB1	NM_001098210.2		c.860A>G	p.Asn287Ser	missense	Exon 6 of 16	NP_001091680.1	P35222

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CTNNB1	ENST00000349496.11	TSL:1 MANE Select	c.860A>G	p.Asn287Ser	missense	Exon 6 of 15	ENSP00000344456.5	P35222
CTNNB1	ENST00000396183.7	TSL:1	c.860A>G	p.Asn287Ser	missense	Exon 6 of 16	ENSP00000379486.3	P35222
CTNNB1	ENST00000396185.8	TSL:1	c.860A>G	p.Asn287Ser	missense	Exon 6 of 16	ENSP00000379488.3	P35222

Frequencies

GnomAD3 genomes

AF:

0.000854

AC:

130

AN:

152254

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000555

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

Gnomad ASJ

AF:

0.000288

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00148

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000565

AC:

142

AN:

251188

AF XY:

0.000604

show subpopulations

Gnomad AFR exome

AF:

0.000369

Gnomad AMR exome

AF:

0.0000869

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000924

Gnomad NFE exome

AF:

0.00112

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.00125

AC:

1831

AN:

1461800

Hom.:

Cov.:

AF XY:

0.00123

AC XY:

896

AN XY:

727208

show subpopulations

African (AFR)

AF:

0.000478

AC:

AN:

33472

American (AMR)

AF:

0.000134

AC:

AN:

44698

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000580

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.000187

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00155

AC:

1726

AN:

1111966

Other (OTH)

AF:

0.00111

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.462

Heterozygous variant carriers

104

209

313

418

522

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

140

210

280

350

<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:

0.000853

AC:

130

AN:

152372

Hom.:

Cov.:

AF XY:

0.000738

AC XY:

AN XY:

74512

show subpopulations

African (AFR)

AF:

0.000553

AC:

AN:

41582

American (AMR)

AF:

0.000261

AC:

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.000288

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.000207

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00148

AC:

101

AN:

68044

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.493

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:

0.00109

Hom.:

Bravo

AF:

0.000858

TwinsUK

AF:

0.00189

AC:

ALSPAC

AF:

0.00156

AC:

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00140

AC:

ExAC

AF:

0.000568

AC:

EpiCase

AF:

0.00142

EpiControl

AF:

0.00136

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (6)

CTNNB1-related disorder (1)

Hepatocellular carcinoma (1)

Inborn genetic diseases (1)

not specified (2)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.054

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.48

CADD

Benign

(source)

DANN

Benign

0.94

DEOGEN2

Benign

0.38

Eigen

Benign

-0.24

Eigen_PC

Benign

0.034

FATHMM_MKL

Uncertain

0.94

LIST_S2

Uncertain

0.97

M_CAP

Benign

0.013

MetaRNN

Benign

0.044

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.67

PhyloP100

5.3

PrimateAI

Uncertain

0.78

PROVEAN

Benign

-0.18

REVEL

Benign

0.056

Sift

Benign

0.59

Sift4G

Benign

0.70

Polyphen

0.0

Vest4

0.090

MVP

0.45

MPC

0.89

ClinPred

0.051

GERP RS

5.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.7

Varity_R

0.39

gMVP

0.49

Mutation Taster

=94/6

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