NM_000251.3(MSH2):c.208G>A (p.Ala70Thr) AND not specified

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Nov 21, 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:: RCV000121558.6

Allele description [Variation Report for NM_000251.3(MSH2):c.208G>A (p.Ala70Thr)]

NM_000251.3(MSH2):c.208G>A (p.Ala70Thr)

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.208G>A (p.Ala70Thr)

HGVS:

NC_000002.12:g.47403399G>A
NG_007110.2:g.5276G>A
NM_000251.3:c.208G>AMANE SELECT
NM_001258281.1:c.10G>A
NP_000242.1:p.Ala70Thr
NP_000242.1:p.Ala70Thr
NP_001245210.1:p.Ala4Thr
LRG_218t1:c.208G>A
LRG_218:g.5276G>A
LRG_218p1:p.Ala70Thr
NC_000002.11:g.47630538G>A
NM_000251.1:c.208G>A
NM_000251.2:c.208G>A

Protein change:

A4T

Links:

dbSNP: rs587778522

NCBI 1000 Genomes Browser:

rs587778522

Molecular consequence:

NM_000251.3:c.208G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001258281.1:c.10G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Synonyms:: AllHighlyPenetrant
Identifiers:: MedGen: CN169374

Recent activity

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UNVERIFIED: Rorippa alpina clone RO642_C1 sequence
UNVERIFIED: Rorippa alpina clone RO642_C1 sequence
gi|2533488078|gb|ON572829.1|

Nucleotide

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000085752	ITMI	no classification provided	not provided	germline	reference population	PubMed (1) [See all records that cite this PMID]
SCV002071981	Genetic Services Laboratory, University of Chicago	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Nov 21, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000085752

ITMI

no classification provided

not provided

germline

reference population

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

SCV002071981

Genetic Services Laboratory, University of Chicago

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Nov 21, 2021)

germline

clinical testing

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

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	no	not provided	not provided	not provided	not provided	not provided	clinical testing
African	germline	unknown	not provided	not provided	not provided	43	not provided	reference population
African_European	germline	unknown	not provided	not provided	not provided	46	not provided	reference population
Central_Asian	germline	unknown	not provided	not provided	not provided	50	not provided	reference population
East_Asian	germline	unknown	not provided	not provided	not provided	62	not provided	reference population
European	germline	unknown	not provided	not provided	not provided	331	not provided	reference population
Hispanic	germline	unknown	not provided	not provided	not provided	118	not provided	reference population
Whole_cohort	germline	unknown	not provided	not provided	not provided	681	not provided	reference population

Citations

PubMed

Germline variation in cancer-susceptibility genes in a healthy, ancestrally diverse cohort: implications for individual genome sequencing.

Bodian DL, McCutcheon JN, Kothiyal P, Huddleston KC, Iyer RK, Vockley JG, Niederhuber JE.

PLoS One. 2014;9(4):e94554. doi: 10.1371/journal.pone.0094554.

PubMed [citation]

PMID:: 24728327
PMCID:: PMC3984285

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From ITMI, SCV000085752.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	African	not provided	not provided	not provided	reference population	PubMed (1)
2	African_European	not provided	not provided	not provided	reference population	PubMed (1)
3	Central_Asian	not provided	not provided	not provided	reference population	PubMed (1)
4	East_Asian	not provided	not provided	not provided	reference population	PubMed (1)
5	European	not provided	not provided	not provided	reference population	PubMed (1)
6	Hispanic	not provided	not provided	not provided	reference population	PubMed (1)
7	Whole_cohort	not provided	not provided	not provided	reference population	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	43	not provided	discovery		not provided	0	not provided	not provided
2	germline	unknown	46	not provided	discovery		not provided	0	not provided	not provided
3	germline	unknown	50	not provided	discovery		not provided	0.01	not provided	not provided
4	germline	unknown	62	not provided	discovery		not provided	0	not provided	not provided
5	germline	unknown	331	not provided	discovery		not provided	0	not provided	not provided
6	germline	unknown	118	not provided	discovery		not provided	0	not provided	not provided
7	germline	unknown	681	not provided	discovery		not provided	0.0007	not provided	not provided

From Genetic Services Laboratory, University of Chicago, SCV002071981.1

#	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 does not appear to have been previously described in individuals with MSH2-related disorders. This sequence change has been described in the gnomAD database in two individuals which corresponds to a population frequency of 0.00090% (dbSNP rs587778522). The p.Ala70Thr change affects a poorly conserved amino acid residue located in a domain of the MSH2 protein that is known to be functional. The p.Ala70Thr substitution appears to be benign using several in-silico pathogenicity prediction tools (SIFT, PolyPhen2, Align GVGD, REVEL). Due to insufficient evidence and the lack of functional studies, the clinical significance of the p.Ala70Thr change remains unknown at this time.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	no	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Nov 10, 2024

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