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NM_000546.6(TP53):c.364G>A (p.Val122Met) AND Li-Fraumeni syndrome

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Dec 18, 2023
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:
RCV000206482.11

Allele description [Variation Report for NM_000546.6(TP53):c.364G>A (p.Val122Met)]

NM_000546.6(TP53):c.364G>A (p.Val122Met)

Gene:
TP53:tumor protein p53 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
17p13.1
Genomic location:
Preferred name:
NM_000546.6(TP53):c.364G>A (p.Val122Met)
HGVS:
  • NC_000017.11:g.7676005C>T
  • NG_017013.2:g.16546G>A
  • NM_000546.6:c.364G>AMANE SELECT
  • NM_001126112.3:c.364G>A
  • NM_001126113.3:c.364G>A
  • NM_001126114.3:c.364G>A
  • NM_001126118.2:c.247G>A
  • NM_001276695.3:c.247G>A
  • NM_001276696.3:c.247G>A
  • NM_001276760.3:c.247G>A
  • NM_001276761.3:c.247G>A
  • NP_000537.3:p.Val122Met
  • NP_000537.3:p.Val122Met
  • NP_001119584.1:p.Val122Met
  • NP_001119585.1:p.Val122Met
  • NP_001119586.1:p.Val122Met
  • NP_001119590.1:p.Val83Met
  • NP_001263624.1:p.Val83Met
  • NP_001263625.1:p.Val83Met
  • NP_001263689.1:p.Val83Met
  • NP_001263690.1:p.Val83Met
  • LRG_321t1:c.364G>A
  • LRG_321:g.16546G>A
  • LRG_321p1:p.Val122Met
  • NC_000017.10:g.7579323C>T
  • NM_000546.4:c.364G>A
  • NM_000546.5(TP53):c.364G>A
  • NM_000546.5:c.364G>A
  • p.V122M
Protein change:
V122M
Links:
dbSNP: rs587781495
NCBI 1000 Genomes Browser:
rs587781495
Molecular consequence:
  • NM_000546.6:c.364G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001126112.3:c.364G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001126113.3:c.364G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001126114.3:c.364G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001126118.2:c.247G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001276695.3:c.247G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001276696.3:c.247G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001276760.3:c.247G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001276761.3:c.247G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Li-Fraumeni syndrome (LFS)
Synonyms:
Sarcoma family syndrome of Li and Fraumeni
Identifiers:
MONDO: MONDO:0018875; MedGen: C0085390; OMIM: PS151623

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000259560Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Dec 18, 2023) 		germlineclinical testing

PubMed (5)
[See all records that cite these PMIDs]

Help

Summary from all submissions

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

Citations

PubMed

Mutational processes shape the landscape of TP53 mutations in human cancer.

Giacomelli AO, Yang X, Lintner RE, McFarland JM, Duby M, Kim J, Howard TP, Takeda DY, Ly SH, Kim E, Gannon HS, Hurhula B, Sharpe T, Goodale A, Fritchman B, Steelman S, Vazquez F, Tsherniak A, Aguirre AJ, Doench JG, Piccioni F, Roberts CWM, et al.

Nat Genet. 2018 Oct;50(10):1381-1387. doi: 10.1038/s41588-018-0204-y. Epub 2018 Sep 17.

PubMed [citation]
PMID:
30224644
PMCID:
PMC6168352

Understanding the function-structure and function-mutation relationships of p53 tumor suppressor protein by high-resolution missense mutation analysis.

Kato S, Han SY, Liu W, Otsuka K, Shibata H, Kanamaru R, Ishioka C.

Proc Natl Acad Sci U S A. 2003 Jul 8;100(14):8424-9. Epub 2003 Jun 25.

PubMed [citation]
PMID:
12826609
PMCID:
PMC166245
See all PubMed Citations (5)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000259560.8

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (5)

Description

This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 122 of the TP53 protein (p.Val122Met). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with TP53-related conditions. ClinVar contains an entry for this variant (Variation ID: 141101). Advanced modeling performed at Invitae incorporating data from internal and/or published experimental studies (PMID: 12826609, 29979965, 30224644) indicates that this missense variant is expected to disrupt TP53 function with a positive predictive value of 97.5%. Experimental studies have shown that this missense change does not substantially affect TP53 function (PMID: 12826609, 15781620, 29979965). 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: Nov 10, 2024