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NM_033118.4(MYLK2):c.95C>T (p.Ala32Val) AND Hypertrophic cardiomyopathy 1

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Jan 4, 2024
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:
RCV003637186.2

Allele description

NM_033118.4(MYLK2):c.95C>T (p.Ala32Val)

Gene:
MYLK2:myosin light chain kinase 2 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
20q11.21
Genomic location:
Preferred name:
NM_033118.4(MYLK2):c.95C>T (p.Ala32Val)
HGVS:
  • NC_000020.11:g.31820168C>T
  • NG_012847.1:g.5794C>T
  • NG_142691.1:g.429C>T
  • NM_033118.4:c.95C>TMANE SELECT
  • NP_149109.1:p.Ala32Val
  • NP_149109.1:p.Ala32Val
  • LRG_392t1:c.95C>T
  • LRG_392:g.5794C>T
  • LRG_392p1:p.Ala32Val
  • NC_000020.10:g.30407971C>T
  • NM_033118.3:c.95C>T
Protein change:
A32V
Molecular consequence:
  • NM_033118.4:c.95C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Hypertrophic cardiomyopathy 1
Synonyms:
Familial hypertrophic cardiomyopathy 1; MYH7-Related Familial Hypertrophic Cardiomyopathy
Identifiers:
MONDO: MONDO:0008647; MedGen: C3495498; OMIM: 192600

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV004489307Invitae
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Jan 4, 2024) 		germlineclinical testing

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

Help

Summary from all submissions

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

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]
PMID:
28492532
PMCID:
PMC5632818

Details of each submission

From Invitae, SCV004489307.1

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

Description

This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 32 of the MYLK2 protein (p.Ala32Val). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MYLK2-related conditions. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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

Last Updated: Jun 23, 2024