10-110644447-C-T

Variant names:

• chr10-110644447-C-T
• rs1353505181
• NM_001134363.3:c.-8C>T

Variant summary

Our verdict is Benign. The variant received -14 ACMG points: 0P and 14B. BP4_Strong BP6_Moderate BS1 BS2

The NM_001134363.3(RBM20):​c.-8C>T variant causes a 5 prime UTR premature start codon gain change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000838 in 1,480,582 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 0.000026 (0 hom., cov: 33)
  • Exomes 𝑓: 0.000090 (0 hom.)
• Consequence: RBM20 NM_001134363.3 5_prime_UTR_premature_start_codon_gain
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: -0.0130
• Publications: 0 publications found

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

ACMG classification

Our verdict: Benign. The variant received -14 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.64).
• BP6: Variant 10-110644447-C-T is Benign according to our data. Variant chr10-110644447-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 514315.Status of the report is criteria_provided_single_submitter, 1 stars.
• BS1: Variant frequency is greater than expected in population nfe. GnomAdExome4 allele frequency = 0.0000903 (120/1328404) while in subpopulation NFE AF = 0.000114 (120/1052692). AF 95% confidence interval is 0.0000972. There are 0 homozygotes in GnomAdExome4. There are 53 alleles in the male GnomAdExome4 subpopulation. Median coverage is 31. This position passed quality control check.
• BS2: High AC in GnomAdExome4 at 120 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RBM20	NM_001134363.3	c.-8C>T		5_prime_UTR_premature_start_codon_gain_variant	Exon 1 of 14	ENST00000369519.4	NP_001127835.2
RBM20	NM_001134363.3	c.-8C>T		5_prime_UTR_variant	Exon 1 of 14	ENST00000369519.4	NP_001127835.2
RBM20	XM_017016103.3	c.26+1007C>T		intron_variant	Intron 1 of 13		XP_016871592.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RBM20	ENST00000369519.4	c.-8C>T		5_prime_UTR_premature_start_codon_gain_variant	Exon 1 of 14	1	NM_001134363.3	ENSP00000358532.3
RBM20	ENST00000369519.4	c.-8C>T		5_prime_UTR_variant	Exon 1 of 14	1	NM_001134363.3	ENSP00000358532.3
RBM20	ENST00000718239.1	c.-8C>T		5_prime_UTR_premature_start_codon_gain_variant	Exon 1 of 14			ENSP00000520684.1
RBM20	ENST00000718239.1	c.-8C>T		5_prime_UTR_variant	Exon 1 of 14			ENSP00000520684.1

Frequencies

GnomAD3 genomes AF: 0.0000263 AC: 4 AN: 152178 Hom.: 0 Cov.: 33

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: 0.0000441

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.0000119 AC: 1 AN: 84080 AF XY: 0.00

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 FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000325

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000903 AC: 120 AN: 1328404 Hom.: 0 Cov.: 31 AF XY: 0.0000811 AC XY: 53 AN XY: 653602

African (AFR) AF: 0.00 AC: 0 AN: 26706

American (AMR) AF: 0.00 AC: 0 AN: 27298

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 22868

East Asian (EAS) AF: 0.00 AC: 0 AN: 30232

South Asian (SAS) AF: 0.00 AC: 0 AN: 71652

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 37996

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 3904

European-Non Finnish (NFE) AF: 0.000114 AC: 120 AN: 1052692

Other (OTH) AF: 0.00 AC: 0 AN: 55056

GnomAD4 genome AF: 0.0000263 AC: 4 AN: 152178 Hom.: 0 Cov.: 33 AF XY: 0.0000269 AC XY: 2 AN XY: 74354

African (AFR) AF: 0.0000241 AC: 1 AN: 41452

American (AMR) AF: 0.00 AC: 0 AN: 15288

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5196

South Asian (SAS) AF: 0.00 AC: 0 AN: 4830

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10620

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 314

European-Non Finnish (NFE) AF: 0.0000441 AC: 3 AN: 68004

Other (OTH) AF: 0.00 AC: 0 AN: 2092

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000189

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Benign:1

Dec 27, 2017

GeneDx

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.64
CADD	Benign	16
DANN	Benign	0.91
PhyloP100		-0.013
PromoterAI		-0.017	Neutral

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

Other links and lift over

dbSNP: rs1353505181; hg19: chr10-112404205;