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NM_000257.4(MYH7):c.3883G>A (p.Glu1295Lys) AND not specified

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Oct 24, 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:
RCV000780520.1

Allele description [Variation Report for NM_000257.4(MYH7):c.3883G>A (p.Glu1295Lys)]

NM_000257.4(MYH7):c.3883G>A (p.Glu1295Lys)

Gene:
MYH7:myosin heavy chain 7 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
14q11.2
Genomic location:
Preferred name:
NM_000257.4(MYH7):c.3883G>A (p.Glu1295Lys)
Other names:
p.E1295K:GAG>AAG; NM_000257.4(MYH7):c.3883G>A; p.Glu1295Lys
HGVS:
  • NC_000014.9:g.23419266C>T
  • NG_007884.1:g.21396G>A
  • NM_000257.4:c.3883G>AMANE SELECT
  • NP_000248.2:p.Glu1295Lys
  • LRG_384t1:c.3883G>A
  • LRG_384:g.21396G>A
  • NC_000014.8:g.23888475C>T
  • NM_000257.2:c.3883G>A
  • NM_000257.3:c.3883G>A
Protein change:
E1295K
Links:
dbSNP: rs730880785
NCBI 1000 Genomes Browser:
rs730880785
Molecular consequence:
  • NM_000257.4:c.3883G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Synonyms:
AllHighlyPenetrant
Identifiers:
MedGen: CN169374

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Assertion and evidence details

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Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000917847Women's Health and Genetics/Laboratory Corporation of America, LabCorp
criteria provided, single submitter

(LabCorp Variant Classification Summary - May 2015)		Uncertain significance
(Oct 24, 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 Women's Health and Genetics/Laboratory Corporation of America, LabCorp, SCV000917847.1

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

Description

Variant summary: MYH7 c.3883G>A (p.Glu1295Lys) results in a conservative amino acid change located in the Myosin tail of the encoded protein sequence. Four of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 1.2e-05 in 246272 control chromosomes (gnomAD). The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. To our knowledge, no occurrence of c.3883G>A in individuals affected with Cardiomyopathy and no experimental evidence demonstrating its impact on protein function have been reported. Although nearby missense changes, p.L1297Q, p.L1297V, p.Q1300L, have been reported in affected individuals suggesting that this region could be important for protein function. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014. Based on the evidence outlined above, the variant was classified as uncertain significance.

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

Last Updated: Nov 3, 2024