3-191375239-C-T

Variant names:

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_178335.3(CCDC50):c.626C>T(p.Ser209Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000641 in 1,613,690 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. 11/15 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★). Synonymous variant affecting the same amino acid position (i.e. S209S) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0030 ( 3 hom., cov: 32)

Exomes 𝑓: 0.00039 ( 2 hom. )

Consequence

CCDC50
NM_178335.3 missense

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: -2.21

Publications

4 publications found

Variant links:

Genes affected

CCDC50 (HGNC:18111): (coiled-coil domain containing 50) This gene encodes a soluble, cytoplasmic, tyrosine-phosphorylated protein with multiple ubiquitin-interacting domains. Mutations in this gene cause nonsyndromic, postlingual, progressive sensorineural DFNA44 hearing loss. In mouse, the protein is expressed in the inner ear during development and postnatal maturation and associates with microtubule-based structures. This protein may also function as a negative regulator of NF-kB signaling and as an effector of epidermal growth factor (EGF)-mediated cell signaling. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Oct 2008]

CCDC50 Gene-Disease associations (from GenCC):

autosomal dominant nonsyndromic hearing loss 44
Inheritance: AD, Unknown Classification: STRONG, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), PanelApp Australia
autosomal dominant nonsyndromic hearing loss
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
nonsyndromic genetic hearing loss
Inheritance: AD Classification: LIMITED Submitted by: ClinGen

CCDC50 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0037259758).

BP6

Variant 3-191375239-C-T is Benign according to our data. Variant chr3-191375239-C-T is described in ClinVar as Benign. ClinVar VariationId is 178600.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS2

High AC in GnomAd4 at 457 AD,Unknown gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CCDC50	NM_178335.3 link	c.626C>T	p.Ser209Leu	missense_variant	Exon 6 of 12	ENST00000392455.9	NP_848018.1	Q8IVM0-2
CCDC50	XM_011512460.2 link	c.626C>T	p.Ser209Leu	missense_variant	Exon 6 of 8		XP_011510762.1
CCDC50	NM_174908.4 link	c.449-4920C>T		intron_variant	Intron 5 of 10		NP_777568.1	Q8IVM0-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CCDC50	ENST00000392455.9 link	c.626C>T	p.Ser209Leu	missense_variant	Exon 6 of 12	1	NM_178335.3	ENSP00000376249.4		Q8IVM0-2
CCDC50	ENST00000392456.4 link	c.449-4920C>T		intron_variant	Intron 5 of 10	1		ENSP00000376250.4		Q8IVM0-1

Frequencies

GnomAD3 genomes

AF:

0.00301

AC:

457

AN:

152052

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0105

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000983

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:

0.0000882

Gnomad OTH

AF:

0.000956

GnomAD2 exomes

AF:

0.000819

AC:

205

AN:

250448

AF XY:

0.000680

show subpopulations

Gnomad AFR exome

AF:

0.0110

Gnomad AMR exome

AF:

0.000522

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000531

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000395

AC:

577

AN:

1461520

Hom.:

Cov.:

AF XY:

0.000366

AC XY:

266

AN XY:

727058

show subpopulations

African (AFR)

AF:

0.0115

AC:

385

AN:

33450

American (AMR)

AF:

0.000560

AC:

AN:

44682

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26126

East Asian (EAS)

AF:

0.00

AC:

AN:

39682

South Asian (SAS)

AF:

0.0000928

AC:

AN:

86240

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53406

Middle Eastern (MID)

AF:

0.000521

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.000111

AC:

123

AN:

1111802

Other (OTH)

AF:

0.000547

AC:

AN:

60370

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.490

Heterozygous variant carriers

104

138

173

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<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:

0.00300

AC:

457

AN:

152170

Hom.:

Cov.:

AF XY:

0.00259

AC XY:

193

AN XY:

74392

show subpopulations

African (AFR)

AF:

0.0105

AC:

434

AN:

41518

American (AMR)

AF:

0.000982

AC:

AN:

15272

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5178

South Asian (SAS)

AF:

0.00

AC:

AN:

4806

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10608

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000882

AC:

AN:

68000

Other (OTH)

AF:

0.000946

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.510

Heterozygous variant carriers

111

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.00121

Hom.:

Bravo

AF:

0.00360

ESP6500AA

AF:

0.0141

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.00107

AC:

130

Asia WGS

AF:

0.000289

AC:

AN:

3476

EpiCase

AF:

0.0000546

EpiControl

AF:

0.00

ClinVar

Significance: Benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Oct 24, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Jun 26, 2019

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not specified

Benign:1

May 07, 2012

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Ser209Leu in Exon 06 of CCDC50: This variant is not expected to have clinical si gnificance because it has been identified in 1.6% (58/3738) of African American chromosomes from a broad population by the NHLBI Exome Sequencing Project (http: //evs.gs.washington.edu/EVS; dbSNP rs115771997). -

CCDC50-related disorder

Benign:1

Aug 01, 2019

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.75

BayesDel_noAF

Benign

-0.84

CADD

Benign

0.18

(source)

DANN

Benign

0.90

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.013

LIST_S2

Benign

0.49

MetaRNN

Benign

0.0037

MetaSVM

Benign

-1.0

PhyloP100

-2.2

PrimateAI

Benign

0.22

Polyphen

0.0

ClinPred

0.0013

GERP RS

-1.9

gMVP

0.040

Mutation Taster

=99/1

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

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over