Genetic Variant USH1G:c.*1224A>C (chr17-74916849-T-G) – ACMG Classification: Benign (-20 pts)

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_173477.5(USH1G):c.*1224A>C variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.022 in 152,126 control chromosomes in the GnomAD database, including 103 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.022 ( 103 hom., cov: 33)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

USH1G
NM_173477.5 3_prime_UTR

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.291

Variant links:

Genes affected

USH1G (HGNC:16356): (USH1 protein network component sans) This gene encodes a protein that contains three ankyrin domains, a class I PDZ-binding motif and a sterile alpha motif. The encoded protein interacts with harmonin, which is associated with Usher syndrome type 1C. This protein plays a role in the development and maintenance of the auditory and visual systems and functions in the cohesion of hair bundles formed by inner ear sensory cells. Mutations in this gene are associated with Usher syndrome type 1G (USH1G). Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2013]

USH1G links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.84).

BP6

Variant 17-74916849-T-G is Benign according to our data. Variant chr17-74916849-T-G is described in ClinVar as [Likely_benign]. Clinvar id is 325035.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0701 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
USH1G	NM_173477.5 link	c.*1224A>C	3_prime_UTR_variant	Exon 3 of 3	ENST00000614341.5	NP_775748.2
USH1G	NM_001282489.3 link	c.*1224A>C	3_prime_UTR_variant	Exon 3 of 3		NP_001269418.1	Q495M9B4DL95
USH1G	XM_011524296.2 link	c.*1224A>C	3_prime_UTR_variant	Exon 3 of 3		XP_011522598.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
USH1G	ENST00000614341 link	c.*1224A>C		3_prime_UTR_variant	Exon 3 of 3	1	NM_173477.5	ENSP00000480279.1		Q495M9

Frequencies

GnomAD3 genomes

AF:

0.0219

AC:

3335

AN:

152008

Hom.:

102

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0723

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00943

Gnomad ASJ

AF:

0.0138

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.00186

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.0380

Gnomad NFE

AF:

0.00149

Gnomad OTH

AF:

0.0153

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

442

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

332

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:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0220

AC:

3344

AN:

152126

Hom.:

103

Cov.:

AF XY:

0.0209

AC XY:

1551

AN XY:

74388

show subpopulations

Gnomad4 AFR

AF:

0.0723

Gnomad4 AMR

AF:

0.00948

Gnomad4 ASJ

AF:

0.0138

Gnomad4 EAS

AF:

0.000193

Gnomad4 SAS

AF:

0.00186

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00149

Gnomad4 OTH

AF:

0.0152

Alfa

AF:

0.0147

Hom.:

Bravo

AF:

0.0254

Asia WGS

AF:

0.00549

AC:

AN:

3478

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Usher syndrome type 1G

Benign:1

Apr 27, 2017

Illumina Laboratory Services, Illumina

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

not provided

Benign:1

Breakthrough Genomics, Breakthrough Genomics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.84

CADD

Benign

4.3

DANN

Benign

0.37

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over