10-110812370-C-G

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4BP6BS2

The NM_001134363.3(RBM20):c.1973C>G(p.Ser658Cys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000161 in 1,551,584 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 Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S658P) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000017 ( 0 hom. )

Consequence

RBM20
NM_001134363.3 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 7.57

Publications

0 publications found

Variant links:

Genes affected

RBM20 (HGNC:27424): (RNA binding motif protein 20) This gene encodes a protein that binds RNA and regulates splicing. Mutations in this gene have been associated with familial dilated cardiomyopathy. [provided by RefSeq, Apr 2014]

RBM20 Gene-Disease associations (from GenCC):

dilated cardiomyopathy
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
dilated cardiomyopathy 1DD
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P
familial isolated dilated cardiomyopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
hypertrophic cardiomyopathy
Inheritance: AD Classification: LIMITED Submitted by: ClinGen

RBM20 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.3938089).

BP6

Variant 10-110812370-C-G is Benign according to our data. Variant chr10-110812370-C-G is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 43982.

BS2

High AC in GnomAdExome4 at 24 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RBM20	NM_001134363.3 link	c.1973C>G	p.Ser658Cys	missense_variant	Exon 9 of 14	ENST00000369519.4	NP_001127835.2	Q5T481
RBM20	XM_017016103.3 link	c.1808C>G	p.Ser603Cys	missense_variant	Exon 9 of 14		XP_016871592.1
RBM20	XM_017016104.3 link	c.1589C>G	p.Ser530Cys	missense_variant	Exon 9 of 14		XP_016871593.1
RBM20	XM_047425116.1 link	c.1589C>G	p.Ser530Cys	missense_variant	Exon 9 of 14		XP_047281072.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RBM20	ENST00000369519.4 link	c.1973C>G	p.Ser658Cys	missense_variant	Exon 9 of 14	1	NM_001134363.3	ENSP00000358532.3		Q5T481
RBM20	ENST00000718239.1 link	c.1973C>G	p.Ser658Cys	missense_variant	Exon 9 of 14			ENSP00000520684.1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152236

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.00

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.00000645

AC:

AN:

154990

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000406

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000172

AC:

AN:

1399348

Hom.:

Cov.:

AF XY:

0.0000130

AC XY:

AN XY:

690180

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31598

American (AMR)

AF:

0.0000280

AC:

AN:

35704

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25182

East Asian (EAS)

AF:

0.00

AC:

AN:

35738

South Asian (SAS)

AF:

0.00

AC:

AN:

79234

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49196

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5700

European-Non Finnish (NFE)

AF:

0.0000213

AC:

AN:

1078988

Other (OTH)

AF:

0.00

AC:

AN:

58008

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.481

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:

0.00000657

AC:

AN:

152236

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74380

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41460

American (AMR)

AF:

0.00

AC:

AN:

15292

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:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68040

Other (OTH)

AF:

0.000478

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 11, 2013

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The Ser658Cys variant in RBM20 has not been reported in the literature. It has b een identified by our laboratory in 1 Caucasian individual with DCM (LMM unpubli shed data), though it did not segregate with disease in an affected family membe r. The frequency of this variant in large European American and African American populations cannot be determined from the NHLBI Exome Sequencing Project (http: //evs.gs.washington.edu/EVS/) because coverage at this position was insufficient or unavailable. Serine (Ser) at position 658 is not conserved in mammals, thoug h additional computational analyses (biochemical amino acid properties, AlignGVG D, and SIFT) do not provide strong support for or against an impact to the prote in. Finally, this variant lies within exon 9, which encodes a conserved protein domain where other pathogenic variants have been reported (Brauch 2009, Li 2010) . In summary, additional studies are needed to fully assess the clinical signifi cance of the Ser658Cys variant. -

Primary familial dilated cardiomyopathy

Uncertain:1

Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease, Montreal Heart Institute

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Dilated cardiomyopathy 1DD

Benign:1

Sep 19, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.055

BayesDel_noAF

Benign

-0.19

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

Eigen

Uncertain

0.36

Eigen_PC

Uncertain

0.36

FATHMM_MKL

Uncertain

0.95

M_CAP

Uncertain

0.19

MetaRNN

Benign

0.39

MetaSVM

Uncertain

0.14

PhyloP100

7.6

PrimateAI

Uncertain

0.56

PROVEAN

Benign

-1.4

REVEL

Uncertain

0.33

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.042

Vest4

0.37

MutPred

0.20

Loss of phosphorylation at S658 (P = 0.0116);

MVP

0.65

ClinPred

0.87

GERP RS

3.9

gMVP

0.50

Mutation Taster

=90/10

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

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over