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NM_000260.4(MYO7A):c.2683C>T (p.Arg895Cys) AND Usher syndrome type 1

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Jan 3, 2022
Review status:
1 star out of maximum of 4 stars
criteria provided, single submitter
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:
RCV001807903.1

Allele description [Variation Report for NM_000260.4(MYO7A):c.2683C>T (p.Arg895Cys)]

NM_000260.4(MYO7A):c.2683C>T (p.Arg895Cys)

Gene:
MYO7A:myosin VIIA [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
11q13.5
Genomic location:
Preferred name:
NM_000260.4(MYO7A):c.2683C>T (p.Arg895Cys)
Other names:
NM_000260.3:c.2683C>T
HGVS:
  • NC_000011.10:g.77180470C>T
  • NG_009086.2:g.57225C>T
  • NM_000260.4:c.2683C>TMANE SELECT
  • NM_001127180.2:c.2683C>T
  • NM_001369365.1:c.2650C>T
  • NP_000251.3:p.Arg895Cys
  • NP_001120652.1:p.Arg895Cys
  • NP_001356294.1:p.Arg884Cys
  • LRG_1420t1:c.2683C>T
  • LRG_1420:g.57225C>T
  • LRG_1420p1:p.Arg895Cys
  • NC_000011.9:g.76891516C>T
Protein change:
R884C
Links:
dbSNP: rs781916427
NCBI 1000 Genomes Browser:
rs781916427
Molecular consequence:
  • NM_000260.4:c.2683C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001127180.2:c.2683C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001369365.1:c.2650C>T - missense variant - [Sequence Ontology: SO:0001583]
Observations:
1

Condition(s)

Name:
Usher syndrome type 1 (USH1)
Synonyms:
Usher syndrome, type I, French variety; Retinitis pigmentosa and congenital deafness
Identifiers:
MONDO: MONDO:0010168; MedGen: C1568247; Orphanet: 231169; Orphanet: 886; OMIM: 276900

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV0020581673billion
criteria provided, single submitter

(ACMG Guidelines, 2015)		Uncertain significance
(Jan 3, 2022) 		germlineclinical testing

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

PMID:32747562

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineyes1not providednot provided1not providedclinical 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 3billion, SCV002058167.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not provided1not providednot providedclinical testing PubMed (1)

Description

Same nucleotide change resulting in same amino acid change has been previously reported to be associated with MYO7A related disorder (PMID:32747562, PS1_P). It is observed at an extremely low frequency in the gnomAD v2.1.1 dataset (total allele frequency: 0.000016, PM2_M). In silico tool predictions suggest damaging effect of the variant on gene or gene product (3CNET: 0.901, PP3_P). Therefore, this variant is classified as uncertain significance according to the recommendation of ACMG/AMP guideline.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineyes1not providednot provided1not providednot providednot provided

Last Updated: Dec 24, 2023