NM_000179.3(MSH6):c.3776A>C (p.Asn1259Thr) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Apr 25, 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:: RCV000572547.7

Allele description [Variation Report for NM_000179.3(MSH6):c.3776A>C (p.Asn1259Thr)]

NM_000179.3(MSH6):c.3776A>C (p.Asn1259Thr)

Gene:

MSH6:mutS homolog 6 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2p16.3

Genomic location:

Preferred name:

NM_000179.3(MSH6):c.3776A>C (p.Asn1259Thr)

HGVS:

NC_000002.12:g.47806333A>C
NG_007111.1:g.28187A>C
NG_008397.1:g.104343T>G
NM_000179.3:c.3776A>CMANE SELECT
NM_001281492.2:c.3386A>C
NM_001281493.2:c.2870A>C
NM_001281494.2:c.2870A>C
NP_000170.1:p.Asn1259Thr
NP_000170.1:p.Asn1259Thr
NP_001268421.1:p.Asn1129Thr
NP_001268422.1:p.Asn957Thr
NP_001268423.1:p.Asn957Thr
LRG_219t1:c.3776A>C
LRG_219:g.28187A>C
LRG_219p1:p.Asn1259Thr
NC_000002.11:g.48033472A>C
NM_000179.2:c.3776A>C

Protein change:

N1129T

Links:

dbSNP: rs1258636828

NCBI 1000 Genomes Browser:

rs1258636828

Molecular consequence:

NM_000179.3:c.3776A>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001281492.2:c.3386A>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001281493.2:c.2870A>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001281494.2:c.2870A>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
SCV000662427	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Apr 25, 2023)	germline	clinical testing	Citation Link,
SCV000913112	Color Diagnostics, LLC DBA Color Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Oct 19, 2018)	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

SCV000662427

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Apr 25, 2023)

germline

clinical testing

Citation Link,

SCV000913112

Color Diagnostics, LLC DBA Color Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Oct 19, 2018)

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	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

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 Ambry Genetics, SCV000662427.6

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

Description

The p.N1259T variant (also known as c.3776A>C), located in coding exon 8 of the MSH6 gene, results from an A to C substitution at nucleotide position 3776. The asparagine at codon 1259 is replaced by threonine, 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

From Color Diagnostics, LLC DBA Color Health, SCV000913112.1

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

#	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: May 1, 2024

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