NM_005732.4(RAD50):c.1894G>A (p.Val632Ile) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Apr 1, 2022
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV000557918.11

Allele description [Variation Report for NM_005732.4(RAD50):c.1894G>A (p.Val632Ile)]

NM_005732.4(RAD50):c.1894G>A (p.Val632Ile)

Gene:

RAD50:RAD50 double strand break repair protein [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

5q31.1

Genomic location:

Preferred name:

NM_005732.4(RAD50):c.1894G>A (p.Val632Ile)

HGVS:

NC_000005.10:g.132594969G>A
NG_021151.2:g.42993G>A
NM_005732.4:c.1894G>AMANE SELECT
NP_005723.2:p.Val632Ile
LRG_312t1:c.1894G>A
LRG_312:g.42993G>A
LRG_312p1:p.Val632Ile
NC_000005.9:g.131930661G>A
NG_021151.1:g.43046G>A
NM_005732.3:c.1894G>A

Protein change:

V632I

Links:

dbSNP: rs1220796191

NCBI 1000 Genomes Browser:

rs1220796191

Molecular consequence:

NM_005732.4:c.1894G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hereditary cancer-predisposing syndrome
Synonyms:: Neoplastic Syndromes, Hereditary; Tumor predisposition; Cancer predisposition; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000628174	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Apr 1, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV000671841	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Jan 23, 2017)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000628174

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Apr 1, 2022)

germline

clinical testing

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

SCV000671841

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Jan 23, 2017)

germline

clinical testing

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical 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 Labcorp Genetics (formerly Invitae), Labcorp, SCV000628174.5

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

This sequence change replaces valine, which is neutral and non-polar, with isoleucine, which is neutral and non-polar, at codon 632 of the RAD50 protein (p.Val632Ile). This variant is present in population databases (no rsID available, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with RAD50-related conditions. ClinVar contains an entry for this variant (Variation ID: 457389). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The isoleucine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Ambry Genetics, SCV000671841.5

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

Description

The p.V632I variant (also known as c.1894G>A), located in coding exon 12 of the RAD50 gene, results from a G to A substitution at nucleotide position 1894. The valine at codon 632 is replaced by isoleucine, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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