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NM_001048174.2(MUTYH):c.3G>A (p.Met1Ile) AND Familial adenomatous polyposis 2

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Jul 28, 2018
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:
RCV000803702.8

Allele description [Variation Report for NM_001048174.2(MUTYH):c.3G>A (p.Met1Ile)]

NM_001048174.2(MUTYH):c.3G>A (p.Met1Ile)

Gene:
MUTYH:mutY DNA glycosylase [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
1p34.1
Genomic location:
Preferred name:
NM_001048174.2(MUTYH):c.3G>A (p.Met1Ile)
HGVS:
  • NC_000001.11:g.45334503C>T
  • NG_008189.1:g.10968G>A
  • NM_001048171.2:c.3G>A
  • NM_001048172.2:c.3G>A
  • NM_001048173.2:c.3G>A
  • NM_001048174.2:c.3G>AMANE SELECT
  • NM_001128425.2:c.45G>A
  • NM_001293190.2:c.45G>A
  • NM_001293191.2:c.3G>A
  • NM_001293192.2:c.-210G>A
  • NM_001293195.2:c.3G>A
  • NM_001293196.2:c.-210G>A
  • NM_001350650.2:c.-269G>A
  • NM_001350651.2:c.-205G>A
  • NM_012222.3:c.45G>A
  • NP_001041636.2:p.Met1Ile
  • NP_001041637.1:p.Met1Ile
  • NP_001041638.1:p.Met1Ile
  • NP_001041639.1:p.Met1Ile
  • NP_001121897.1:p.Met15Ile
  • NP_001121897.1:p.Met15Ile
  • NP_001280119.1:p.Met15Ile
  • NP_001280120.1:p.Met1Ile
  • NP_001280124.1:p.Met1Ile
  • NP_036354.1:p.Met15Ile
  • LRG_220t1:c.45G>A
  • LRG_220:g.10968G>A
  • LRG_220p1:p.Met15Ile
  • NC_000001.10:g.45800175C>T
  • NM_001128425.1:c.45G>A
  • NR_146882.2:n.231G>A
  • NR_146883.2:n.154G>A
Protein change:
M15I
Links:
dbSNP: rs1570467004
NCBI 1000 Genomes Browser:
rs1570467004
Molecular consequence:
  • NM_001293192.2:c.-210G>A - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_001293196.2:c.-210G>A - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_001350650.2:c.-269G>A - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_001350651.2:c.-205G>A - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_001048171.2:c.3G>A - initiator_codon_variant - [Sequence Ontology: SO:0001582]
  • NM_001048172.2:c.3G>A - initiator_codon_variant - [Sequence Ontology: SO:0001582]
  • NM_001048173.2:c.3G>A - initiator_codon_variant - [Sequence Ontology: SO:0001582]
  • NM_001048174.2:c.3G>A - initiator_codon_variant - [Sequence Ontology: SO:0001582]
  • NM_001293191.2:c.3G>A - initiator_codon_variant - [Sequence Ontology: SO:0001582]
  • NM_001293195.2:c.3G>A - initiator_codon_variant - [Sequence Ontology: SO:0001582]
  • NM_001048171.2:c.3G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001048172.2:c.3G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001048173.2:c.3G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001048174.2:c.3G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001128425.2:c.45G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001293190.2:c.45G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001293191.2:c.3G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001293195.2:c.3G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_012222.3:c.45G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NR_146882.2:n.231G>A - non-coding transcript variant - [Sequence Ontology: SO:0001619]
  • NR_146883.2:n.154G>A - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:
Familial adenomatous polyposis 2
Synonyms:
COLORECTAL ADENOMATOUS POLYPOSIS, AUTOSOMAL RECESSIVE; ADENOMAS, MULTIPLE COLORECTAL, AUTOSOMAL RECESSIVE; MYH-associated polyposis; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0012041; MedGen: C3272841; Orphanet: 220460; OMIM: 608456

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000943585Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))
Uncertain significance
(Jul 28, 2018)
germlineclinical testing

PubMed (2)
[See all records that cite these PMIDs]

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Type and frequency of MUTYH variants in Italian patients with suspected MAP: a retrospective multicenter study.

Ricci MT, Miccoli S, Turchetti D, Bondavalli D, Viel A, Quaia M, Giacomini E, Gismondi V, Sanchez-Mete L, Stigliano V, Martayan A, Mazzei F, Bignami M, Bonelli L, Varesco L.

J Hum Genet. 2017 Feb;62(2):309-315. doi: 10.1038/jhg.2016.132. Epub 2016 Nov 10.

PubMed [citation]
PMID:
27829682

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 Labcorp Genetics (formerly Invitae), Labcorp, SCV000943585.5

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (2)

Description

This variant is not present in population databases (ExAC no frequency). This sequence change replaces methionine with isoleucine at codon 15 of the MUTYH protein (p.Met15Ile). The methionine residue is highly conserved and there is a small physicochemical difference between methionine and isoleucine. This variant has been observed in an individual affected with colorectal cancer (PMID: 27829682). 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. The p.Met15 amino acid residue in MUTYH has been determined to be clinically significant (PMID: 24691292). This suggests that variants that disrupt this residue are likely to be causative of disease. 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: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0").

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

Last Updated: Sep 29, 2024