NM_000251.3(MSH2):c.791A>C (p.Gln264Pro) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Mar 19, 2021
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:: RCV002418851.2

Allele description [Variation Report for NM_000251.3(MSH2):c.791A>C (p.Gln264Pro)]

NM_000251.3(MSH2):c.791A>C (p.Gln264Pro)

Gene:

MSH2:mutS homolog 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2p21

Genomic location:

Preferred name:

NM_000251.3(MSH2):c.791A>C (p.Gln264Pro)

HGVS:

NC_000002.12:g.47412559A>C
NG_007110.2:g.14436A>C
NM_000251.3:c.791A>CMANE SELECT
NM_001258281.1:c.593A>C
NP_000242.1:p.Gln264Pro
NP_001245210.1:p.Gln198Pro
LRG_218t1:c.791A>C
LRG_218:g.14436A>C
NC_000002.11:g.47639698A>C
NM_000251.1:c.791A>C
NM_000251.2:c.791A>C

Protein change:

Q198P

Links:

dbSNP: rs730881780

NCBI 1000 Genomes Browser:

rs730881780

Molecular consequence:

NM_000251.3:c.791A>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001258281.1:c.593A>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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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002676529	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Mar 19, 2021)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002676529

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Mar 19, 2021)

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

Details of each submission

From Ambry Genetics, SCV002676529.2

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

Description

The p.Q264P variant (also known as c.791A>C), located in coding exon 4 of the MSH2 gene, results from an A to C substitution at nucleotide position 791. The glutamine at codon 264 is replaced by proline, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious 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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