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NM_000116.5(TAFAZZIN):c.761C>T (p.Ala254Val) AND not provided

Germline classification:
Uncertain significance (3 submissions)
Last evaluated:
Aug 11, 2017
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:
RCV000521921.6

Allele description [Variation Report for NM_000116.5(TAFAZZIN):c.761C>T (p.Ala254Val)]

NM_000116.5(TAFAZZIN):c.761C>T (p.Ala254Val)

Gene:
TAFAZZIN:tafazzin, phospholipid-lysophospholipid transacylase [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
Xq28
Genomic location:
Preferred name:
NM_000116.5(TAFAZZIN):c.761C>T (p.Ala254Val)
HGVS:
  • NC_000023.11:g.154420719C>T
  • NG_009634.2:g.14185C>T
  • NM_000116.5:c.761C>TMANE SELECT
  • NM_001303465.2:c.773C>T
  • NM_181311.4:c.671C>T
  • NM_181312.4:c.719C>T
  • NM_181313.4:c.629C>T
  • NP_000107.1:p.Ala254Val
  • NP_001290394.1:p.Ala258Val
  • NP_851828.1:p.Ala224Val
  • NP_851829.1:p.Ala240Val
  • NP_851830.1:p.Ala210Val
  • LRG_131t1:c.761C>T
  • LRG_131:g.14185C>T
  • LRG_131p1:p.Ala254Val
  • NC_000023.10:g.153649058C>T
  • NG_009634.1:g.14182C>T
  • NM_000116.3:c.761C>T
  • NM_000116.4:c.761C>T
  • NR_024048.3:n.1082C>T
Protein change:
A210V
Links:
dbSNP: rs200909606
NCBI 1000 Genomes Browser:
rs200909606
Molecular consequence:
  • NM_000116.5:c.761C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001303465.2:c.773C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_181311.4:c.671C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_181312.4:c.719C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_181313.4:c.629C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NR_024048.3:n.1082C>T - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Synonyms:
none provided
Identifiers:
MedGen: C3661900

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000619990GeneDx
criteria provided, single submitter

(GeneDx Variant Classification (06012015))
Uncertain significance
(Aug 11, 2017)
germlineclinical testing

Citation Link,

SCV001926864Genome Diagnostics Laboratory, University Medical Center Utrecht - VKGL Data-share Consensus

See additional submitters

no assertion criteria provided
Likely benigngermlineclinical testing

SCV001952117Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+ - VKGL Data-share Consensus

See additional submitters

no assertion criteria provided
Likely benigngermlineclinical testing

Summary from all submissions

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

Details of each submission

From GeneDx, SCV000619990.1

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

Description

A variant of uncertain significance has been identified in the TAZ gene. The A254V variant has not been published as pathogenic or been reported as benign to our knowledge. This variant is observed in 0.1-0.4% alleles from individuals of East Asian background, including multiple unrelated hemizygous individuals in large population cohorts, which is greater than expected for this disorder (Lek et al., 2016; 1000 Genomes Consortium et al., 2015; Exome Variant Server). The A254V variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. This substitution occurs at a position that is not conserved across species. Finally, in silico analysis is inconsistent in its predictions as to whether or not the variant is damaging to the protein structure/function.

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

From Genome Diagnostics Laboratory, University Medical Center Utrecht - VKGL Data-share Consensus, SCV001926864.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineyesnot providednot providednot providednot providednot providednot providednot provided

From Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+ - VKGL Data-share Consensus, SCV001952117.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineyesnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Sep 29, 2024