Genetic Variant NM_153676.4:c.965G>C (chr11-17522838-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_153676.4(USH1C):c.965G>C(p.Arg322Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,464 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. R322Q) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

USH1C
NM_153676.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.79

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

USH1C links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_153676.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
USH1C	NM_153676.4	MANE Select	c.965G>C	p.Arg322Pro	missense	Exon 12 of 27	NP_710142.1	Q9Y6N9-5
USH1C	NM_005709.4	MANE Plus Clinical	c.965G>C	p.Arg322Pro	missense	Exon 12 of 21	NP_005700.2	A0A0S2Z4U9
USH1C	NM_001440679.1		c.998G>C	p.Arg333Pro	missense	Exon 12 of 22	NP_001427608.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
USH1C	ENST00000005226.12	TSL:5 MANE Select	c.965G>C	p.Arg322Pro	missense	Exon 12 of 27	ENSP00000005226.7	Q9Y6N9-5
USH1C	ENST00000318024.9	TSL:1 MANE Plus Clinical	c.965G>C	p.Arg322Pro	missense	Exon 12 of 21	ENSP00000317018.4	Q9Y6N9-1
USH1C	ENST00000527020.5	TSL:1	c.908G>C	p.Arg303Pro	missense	Exon 11 of 20	ENSP00000436934.1	Q9Y6N9-4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461464

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727044

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86242

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53222

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111898

Other (OTH)

AF:

0.00

AC:

AN:

60322

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

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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.93

BayesDel_addAF

Uncertain

0.038

BayesDel_noAF

Benign

-0.18

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.26

Eigen

Benign

-0.00044

Eigen_PC

Benign

-0.0079

FATHMM_MKL

Uncertain

0.82

LIST_S2

Uncertain

0.95

M_CAP

Benign

0.051

MetaRNN

Uncertain

0.46

MetaSVM

Benign

-0.84

MutationAssessor

Benign

1.4

PhyloP100

1.8

PrimateAI

Benign

0.37

PROVEAN

Uncertain

-2.8

REVEL

Benign

0.13

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.056

Polyphen

0.97

Vest4

0.61

MutPred

0.38

Loss of MoRF binding (P = 0.0024)

MVP

0.51

MPC

0.18

ClinPred

0.88

GERP RS

3.1

Varity_R

0.61

gMVP

0.50

Mutation Taster

=49/51

disease causing

(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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over