Genetic Variant NM_153676.4:c.1556C>G (chr11-17509813-G-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_153676.4(USH1C):c.1556C>G(p.Pro519Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000138 in 1,444,886 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P519L) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

USH1C
NM_153676.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.771

Publications

0 publications found

Variant links:

Genes affected

USH1C (HGNC:12597): (USH1 protein network component harmonin) This gene encodes a scaffold protein that functions in the assembly of Usher protein complexes. The protein contains PDZ domains, a coiled-coil region with a bipartite nuclear localization signal and a PEST degradation sequence. Defects in this gene are the cause of Usher syndrome type 1C and non-syndromic sensorineural deafness autosomal recessive type 18. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2009]

USH1C Gene-Disease associations (from GenCC):

Usher syndrome type 1
Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
Usher syndrome type 1C
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics, PanelApp Australia
autosomal recessive nonsyndromic hearing loss 18A
Inheritance: AR, Unknown Classification: STRONG, MODERATE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, PanelApp Australia
hearing loss, autosomal recessive
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
nonsyndromic genetic hearing loss
Inheritance: AR Classification: LIMITED Submitted by: ClinGen

USH1C links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.1744541).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
USH1C	NM_153676.4 link	c.1556C>G	p.Pro519Arg	missense_variant	Exon 18 of 27	ENST00000005226.12	NP_710142.1	Q9Y6N9-5
USH1C	NM_005709.4 link	c.1284+7588C>G		intron_variant	Intron 15 of 20	ENST00000318024.9	NP_005700.2	Q9Y6N9-1A0A0S2Z4U9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
USH1C	ENST00000005226.12 link	c.1556C>G	p.Pro519Arg	missense_variant	Exon 18 of 27	5	NM_153676.4	ENSP00000005226.7		Q9Y6N9-5
USH1C	ENST00000318024.9 link	c.1284+7588C>G		intron_variant	Intron 15 of 20	1	NM_005709.4	ENSP00000317018.4		Q9Y6N9-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000427

AC:

AN:

234366

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.0000675

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000138

AC:

AN:

1444886

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

718818

show subpopulations

African (AFR)

AF:

0.0000598

AC:

AN:

33442

American (AMR)

AF:

0.00

AC:

AN:

44622

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25970

East Asian (EAS)

AF:

0.00

AC:

AN:

39648

South Asian (SAS)

AF:

0.00

AC:

AN:

85994

European-Finnish (FIN)

AF:

0.00

AC:

AN:

39362

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5742

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1109912

Other (OTH)

AF:

0.00

AC:

AN:

60194

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.550

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.32

BayesDel_noAF

Benign

-0.51

CADD

Benign

7.3

(source)

DANN

Benign

0.28

Eigen

Benign

-0.84

Eigen_PC

Benign

-0.79

FATHMM_MKL

Uncertain

0.80

LIST_S2

Benign

0.41

M_CAP

Uncertain

0.21

MetaRNN

Benign

0.17

MetaSVM

Benign

-1.0

PhyloP100

0.77

PrimateAI

Benign

0.45

PROVEAN

Benign

-0.34

REVEL

Benign

0.047

Sift

Benign

0.30

Sift4G

Uncertain

0.0080

Vest4

0.47

MutPred

0.20

Loss of glycosylation at P519 (P = 6e-04);

MVP

0.27

MPC

0.066

ClinPred

0.041

GERP RS

1.8

gMVP

0.32

Mutation Taster

=86/14

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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NM_153676.4:c.1556C>G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over