NM_005732.4(RAD50):c.1192A>G (p.Lys398Glu) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Oct 14, 2023
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:: RCV000206338.14

Allele description [Variation Report for NM_005732.4(RAD50):c.1192A>G (p.Lys398Glu)]

NM_005732.4(RAD50):c.1192A>G (p.Lys398Glu)

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.1192A>G (p.Lys398Glu)

HGVS:

NC_000005.10:g.132588827A>G
NG_021151.2:g.36851A>G
NM_005732.4:c.1192A>GMANE SELECT
NP_005723.2:p.Lys398Glu
LRG_312t1:c.1192A>G
LRG_312:g.36851A>G
LRG_312p1:p.Lys398Glu
NC_000005.9:g.131924519A>G
NG_021151.1:g.36904A>G
NM_005732.3:c.1192A>G

Protein change:

K398E

Links:

dbSNP: rs756173890

NCBI 1000 Genomes Browser:

rs756173890

Molecular consequence:

NM_005732.4:c.1192A>G - 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

Recent activity

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Lepisosteus oculatus isolate:fLepOcu1
Lepisosteus oculatus isolate:fLepOcu1
Lepisosteus oculatus (spotted gar) genome, fLepOcu1, haplotype 1

BioProject
lysyl oxidase-like 1 [Mus musculus]
lysyl oxidase-like 1 [Mus musculus]
gi|15420512|gb|AAK97375.1|AF357006_

Protein
Megarcys watertoni voucher BIOUG22199-C02 cytochrome oxidase subunit 1 (COI) gen...
Megarcys watertoni voucher BIOUG22199-C02 cytochrome oxidase subunit 1 (COI) gene, partial cds; mitochondrial
gi|1503012602|gnl|uoguelph|BBGCO730 OI-5P|gb|MG470221.1|

Nucleotide

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000259894	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 14, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV000274988	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Sep 27, 2023)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000259894

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Oct 14, 2023)

germline

clinical testing

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

SCV000274988

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Sep 27, 2023)

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, SCV000259894.9

#	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 lysine, which is basic and polar, with glutamic acid, which is acidic and polar, at codon 398 of the RAD50 protein (p.Lys398Glu). This variant is present in population databases (rs756173890, gnomAD 0.02%). 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: 219813). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt RAD50 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, SCV000274988.7

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

Description

The p.K398E variant (also known as c.1192A>G), located in coding exon 8 of the RAD50 gene, results from an A to G substitution at nucleotide position 1192. The lysine at codon 398 is replaced by glutamic acid, an amino acid with similar properties. This amino acid position is not well 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: Oct 13, 2024

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