rs747880281

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM1BS2

The NM_001134363.3(RBM20):​c.1898C>T​(p.Pro633Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000711 in 1,546,514 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000072 ( 0 hom. )

Consequence

RBM20
NM_001134363.3 missense

Scores

2
12
2

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts P:1U:3

Conservation

PhyloP100: 7.57
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM1
In a region_of_interest RS (size 27) in uniprot entity RBM20_HUMAN there are 8 pathogenic changes around while only 1 benign (89%) in NM_001134363.3
BS2
High AC in GnomAdExome4 at 10 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
RBM20NM_001134363.3 linkuse as main transcriptc.1898C>T p.Pro633Leu missense_variant 9/14 ENST00000369519.4 NP_001127835.2
RBM20XM_017016103.3 linkuse as main transcriptc.1733C>T p.Pro578Leu missense_variant 9/14 XP_016871592.1
RBM20XM_017016104.3 linkuse as main transcriptc.1514C>T p.Pro505Leu missense_variant 9/14 XP_016871593.1
RBM20XM_047425116.1 linkuse as main transcriptc.1514C>T p.Pro505Leu missense_variant 9/14 XP_047281072.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
RBM20ENST00000369519.4 linkuse as main transcriptc.1898C>T p.Pro633Leu missense_variant 9/141 NM_001134363.3 ENSP00000358532 P1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152170
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
GnomAD3 exomes
AF:
0.00000660
AC:
1
AN:
151498
Hom.:
0
AF XY:
0.0000124
AC XY:
1
AN XY:
80750
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000444
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000717
AC:
10
AN:
1394344
Hom.:
0
Cov.:
32
AF XY:
0.0000116
AC XY:
8
AN XY:
686870
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000380
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000651
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152170
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74338
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378
ExAC
AF:
0.0000331
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Pathogenic:1Uncertain:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Dilated cardiomyopathy 1DD Uncertain:2
Uncertain significance, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpAug 20, 2023This sequence change replaces proline, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 633 of the RBM20 protein (p.Pro633Leu). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with RBM20-related conditions. ClinVar contains an entry for this variant (Variation ID: 572099). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on RBM20 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
Uncertain significance, criteria provided, single submitterclinical testingFulgent Genetics, Fulgent GeneticsJul 31, 2021- -
Primary dilated cardiomyopathy Pathogenic:1
Likely pathogenic, no assertion criteria providedresearchSnyder Lab, Genetics Department, Stanford UniversityJan 01, 2017- -
Cardiovascular phenotype Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsApr 12, 2022The p.P633L variant (also known as c.1898C>T), located in coding exon 9 of the RBM20 gene, results from a C to T substitution at nucleotide position 1898. The proline at codon 633 is replaced by leucine, an amino acid with similar properties. This alteration was reported in an exome sequencing cohort (Rego S et al. Cold Spring Harb Mol Case Stud, 2018 12;4:). This amino acid position is well conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.16
BayesDel_addAF
Uncertain
0.15
D
BayesDel_noAF
Uncertain
-0.020
CADD
Pathogenic
27
DANN
Uncertain
1.0
Eigen
Uncertain
0.64
Eigen_PC
Uncertain
0.60
FATHMM_MKL
Uncertain
0.96
D
M_CAP
Pathogenic
0.32
D
MetaRNN
Uncertain
0.65
D
MetaSVM
Pathogenic
0.80
D
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.71
T
PROVEAN
Uncertain
-2.8
D
REVEL
Uncertain
0.53
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0080
D
Vest4
0.59
MVP
0.85
ClinPred
0.95
D
GERP RS
5.7
gMVP
0.56

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs747880281; hg19: chr10-112572053; API