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NM_005592.4(MUSK):c.398T>C (p.Ile133Thr) AND Congenital myasthenic syndrome 9

Germline classification:
Likely benign (1 submission)
Last evaluated:
Jan 13, 2018
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:
RCV000312354.6

Allele description [Variation Report for NM_005592.4(MUSK):c.398T>C (p.Ile133Thr)]

NM_005592.4(MUSK):c.398T>C (p.Ile133Thr)

Gene:
MUSK:muscle associated receptor tyrosine kinase [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
9q31.3
Genomic location:
Preferred name:
NM_005592.4(MUSK):c.398T>C (p.Ile133Thr)
HGVS:
  • NC_000009.12:g.110695442T>C
  • NG_016016.2:g.31652T>C
  • NM_001166280.2:c.398T>C
  • NM_001166281.2:c.398T>C
  • NM_005592.4:c.398T>CMANE SELECT
  • NP_001159752.1:p.Ile133Thr
  • NP_001159753.1:p.Ile133Thr
  • NP_005583.1:p.Ile133Thr
  • NC_000009.11:g.113457722T>C
  • NG_016016.1:g.31672T>C
  • NM_005592.3:c.398T>C
Protein change:
I133T
Links:
dbSNP: rs55980069
NCBI 1000 Genomes Browser:
rs55980069
Molecular consequence:
  • NM_001166280.2:c.398T>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001166281.2:c.398T>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_005592.4:c.398T>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Congenital myasthenic syndrome 9
Synonyms:
Myasthenic syndrome, congenital, 9, associated with acetylcholine receptor deficiency
Identifiers:
MONDO: MONDO:0014587; MedGen: C4225368; Orphanet: 590; OMIM: 616325

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Assertion and evidence details

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Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000476620Illumina Laboratory Services, Illumina
criteria provided, single submitter

(ICSL Variant Classification Criteria 13 December 2019)		Likely benign
(Jan 13, 2018) 		germlineclinical testing

Citation Link

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Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Details of each submission

From Illumina Laboratory Services, Illumina, SCV000476620.3

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Apr 15, 2024