NM_000179.3(MSH6):c.3646G>A (p.Gly1216Arg) AND Hereditary nonpolyposis colorectal neoplasms

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Oct 5, 2023
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:: RCV001851334.4

Allele description [Variation Report for NM_000179.3(MSH6):c.3646G>A (p.Gly1216Arg)]

NM_000179.3(MSH6):c.3646G>A (p.Gly1216Arg)

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.3646G>A (p.Gly1216Arg)

HGVS:

NC_000002.12:g.47805707G>A
NG_007111.1:g.27561G>A
NG_008397.1:g.104969C>T
NM_000179.3:c.3646G>AMANE SELECT
NM_001281492.2:c.3256G>A
NM_001281493.2:c.2740G>A
NM_001281494.2:c.2740G>A
NP_000170.1:p.Gly1216Arg
NP_000170.1:p.Gly1216Arg
NP_001268421.1:p.Gly1086Arg
NP_001268422.1:p.Gly914Arg
NP_001268423.1:p.Gly914Arg
LRG_219t1:c.3646G>A
LRG_219:g.27561G>A
LRG_219p1:p.Gly1216Arg
NC_000002.11:g.48032846G>A
NM_000179.2:c.3646G>A

Protein change:

G1086R

Links:

dbSNP: rs1114167690

NCBI 1000 Genomes Browser:

rs1114167690

Molecular consequence:

NM_000179.3:c.3646G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001281492.2:c.3256G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001281493.2:c.2740G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001281494.2:c.2740G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hereditary nonpolyposis colorectal neoplasms
Identifiers:: MeSH: D003123; MedGen: C0009405

Recent activity

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ubiquitin-conjugating enzyme E2 E2 isoform 1 [Homo sapiens]
ubiquitin-conjugating enzyme E2 E2 isoform 1 [Homo sapiens]
gi|22749327|ref|NP_689866.1|

Protein
4-alpha-glucanotransferase (plasmid) [Ralstonia solanacearum]
4-alpha-glucanotransferase (plasmid) [Ralstonia solanacearum]
gi|1481174699|gnl|PRJNA431203|C2124 5|gb|AYB62357.1|

Protein

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002284409	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 5, 2023)	germline	clinical testing	PubMed (3) [See all records that cite these PMIDs] 17576681, 9536098, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002284409

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Oct 5, 2023)

germline

clinical testing

PubMed (3)
[See all records that cite these PMIDs]

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

Aberrant 5' splice sites in human disease genes: mutation pattern, nucleotide structure and comparison of computational tools that predict their utilization.

Buratti E, Chivers M, Královicová J, Romano M, Baralle M, Krainer AR, Vorechovsky I.

Nucleic Acids Res. 2007;35(13):4250-63. Epub 2007 Jun 18.

PubMed [citation]

PMID:: 17576681
PMCID:: PMC1934990

Statistical features of human exons and their flanking regions.

Zhang MQ.

Hum Mol Genet. 1998 May;7(5):919-32.

PubMed [citation]

PMID:: 9536098

See all PubMed Citations (3)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV002284409.3

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (3)

Description

This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 1216 of the MSH6 protein (p.Gly1216Arg). This variant also falls at the last nucleotide of exon 7, which is part of the consensus splice site for this exon. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MSH6-related conditions. ClinVar contains an entry for this variant (Variation ID: 428287). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). 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

Last Updated: Sep 29, 2024

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