NM_206933.4(USH2A):c.3364T>G (p.Ser1122Ala) AND Usher syndrome type 2A

Germline classification:: Benign/Likely benign (2 submissions)
Last evaluated:: Nov 4, 2023
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV001100647.13

Allele description [Variation Report for NM_206933.4(USH2A):c.3364T>G (p.Ser1122Ala)]

NM_206933.4(USH2A):c.3364T>G (p.Ser1122Ala)

Genes:

USH2A-AS1:USH2A antisense RNA 1 [Gene - HGNC]
USH2A:usherin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

1q41

Genomic location:

Preferred name:

NM_206933.4(USH2A):c.3364T>G (p.Ser1122Ala)

Other names:

p.S1122A:TCC>GCC

HGVS:

NC_000001.11:g.216200074A>C
NG_009497.2:g.228375T>G
NM_007123.6:c.3364T>G
NM_206933.4:c.3364T>GMANE SELECT
NP_009054.6:p.Ser1122Ala
NP_996816.3:p.Ser1122Ala
NC_000001.10:g.216373416A>C
NG_009497.1:g.228323T>G
NM_007123.5:c.3364T>G
NM_206933.2:c.3364T>G
c.3364T>G

Protein change:

S1122A

Links:

dbSNP: rs148135241

NCBI 1000 Genomes Browser:

rs148135241

Molecular consequence:

NM_007123.6:c.3364T>G - missense variant - [Sequence Ontology: SO:0001583]
NM_206933.4:c.3364T>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Usher syndrome type 2A
Synonyms:: USHER SYNDROME, TYPE IIA; RETINAL DISEASE IN USHER SYNDROME TYPE IIA, MODIFIER OF
Identifiers:: MONDO: MONDO:0010169; MedGen: C1848634; Orphanet: 231178; Orphanet: 886; OMIM: 276901

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001257176	Illumina Laboratory Services, Illumina	criteria provided, single submitter (ICSL Variant Classification Criteria 13 December 2019)	Benign (Apr 27, 2017)	germline	clinical testing	Citation Link,
SCV004182350	Genome-Nilou Lab	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely benign (Nov 4, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001257176

Illumina Laboratory Services, Illumina

criteria provided, single submitter

(ICSL Variant Classification Criteria 13 December 2019)

Benign
(Apr 27, 2017)

germline

clinical testing

Citation Link,

SCV004182350

Genome-Nilou Lab

criteria provided, single submitter

(ACMG Guidelines, 2015)

Likely benign
(Nov 4, 2023)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	no	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee.

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Illumina Laboratory Services, Illumina, SCV001257176.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

Description

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 was too high to be consistent with this variant causing disease. Therefore, this variant is classified as benign.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Genome-Nilou Lab, SCV004182350.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	no	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Jun 22, 2025

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