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NM_005732.4(RAD50):c.1284G>C (p.Gln428His) AND Hereditary cancer-predisposing syndrome

Germline classification:
Uncertain significance (2 submissions)
Last evaluated:
Jan 14, 2021
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:
RCV001010749.9

Allele description [Variation Report for NM_005732.4(RAD50):c.1284G>C (p.Gln428His)]

NM_005732.4(RAD50):c.1284G>C (p.Gln428His)

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.1284G>C (p.Gln428His)
HGVS:
  • NC_000005.10:g.132589669G>C
  • NG_021151.2:g.37693G>C
  • NM_005732.4:c.1284G>CMANE SELECT
  • NP_005723.2:p.Gln428His
  • LRG_312t1:c.1284G>C
  • LRG_312:g.37693G>C
  • LRG_312p1:p.Gln428His
  • NC_000005.9:g.131925361G>C
  • NC_000005.9:g.131925361G>C
  • NG_021151.1:g.37746G>C
  • NM_005732.3:c.1284G>C
Protein change:
Q428H
Links:
dbSNP: rs786201152
NCBI 1000 Genomes Browser:
rs786201152
Molecular consequence:
  • NM_005732.4:c.1284G>C - 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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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV001170988Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)
Uncertain significance
(Jul 17, 2019)
germlineclinical testing

Citation Link,

SCV002289414Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))
Uncertain significance
(Jan 14, 2021)
germlineclinical testing

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

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical 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 Ambry Genetics, SCV001170988.4

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

Description

The p.Q428H variant (also known as c.1284G>C), located in coding exon 9 of the RAD50 gene, results from a G to C substitution at nucleotide position 1284. The glutamine at codon 428 is replaced by histidine, an amino acid with highly similar properties. This amino acid position is highly conserved through mammals but not in all 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.

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

From Labcorp Genetics (formerly Invitae), Labcorp, SCV002289414.3

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

Description

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. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with RAD50-related conditions. ClinVar contains an entry for this variant (Variation ID: 818795). This variant is not present in population databases (ExAC no frequency). This sequence change replaces glutamine with histidine at codon 428 of the RAD50 protein (p.Gln428His). The glutamine residue is moderately conserved and there is a small physicochemical difference between glutamine and histidine.

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

Last Updated: Sep 29, 2024