NM_001048171.1(MUTYH):c.469A>G (p.Asn157Asp) AND not specified

Clinical significance:Uncertain significance (Last evaluated: Dec 11, 2020)

Review status:1 star out of maximum of 4 stars

criteria provided, single submitter

Based on:
1 submission [Details]
Record status:

Allele description [Variation Report for NM_001048171.1(MUTYH):c.469A>G (p.Asn157Asp)]

NM_001048171.1(MUTYH):c.469A>G (p.Asn157Asp)

MUTYH:mutY DNA glycosylase [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
Genomic location:
Preferred name:
NM_001048171.1(MUTYH):c.469A>G (p.Asn157Asp)
  • NC_000001.11:g.45332828T>C
  • NG_008189.1:g.12643A>G
  • NM_001048171.1:c.469A>G
  • NM_001048172.1:c.430A>G
  • NM_001048173.1:c.427A>G
  • NM_001048174.1:c.427A>G
  • NM_001128425.1:c.511A>G
  • NM_001293190.1:c.472A>G
  • NM_001293191.1:c.460A>G
  • NM_001293192.1:c.151A>G
  • NM_001293195.1:c.427A>G
  • NM_001293196.1:c.151A>G
  • NM_001350650.1:c.82A>G
  • NM_001350651.1:c.82A>G
  • NM_012222.2:c.502A>G
  • NP_001041636.1:p.Asn157Asp
  • NP_001041637.1:p.Asn144Asp
  • NP_001041638.1:p.Asn143Asp
  • NP_001041639.1:p.Asn143Asp
  • NP_001121897.1:p.Asn171Asp
  • NP_001280119.1:p.Asn158Asp
  • NP_001280120.1:p.Asn154Asp
  • NP_001280121.1:p.Asn51Asp
  • NP_001280124.1:p.Asn143Asp
  • NP_001280125.1:p.Asn51Asp
  • NP_001337579.1:p.Asn28Asp
  • NP_001337580.1:p.Asn28Asp
  • NP_036354.1:p.Asn168Asp
  • LRG_220t1:c.511A>G
  • LRG_220:g.12643A>G
  • LRG_220p1:p.Asn171Asp
  • NC_000001.10:g.45798500T>C
  • NR_146882.1:n.685A>G
  • NR_146883.1:n.499A>G
  • p.N171D
Protein change:
dbSNP: rs773674701
NCBI 1000 Genomes Browser:
Molecular consequence:
  • NM_001048171.1:c.469A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001048172.1:c.430A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001048173.1:c.427A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001048174.1:c.427A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001128425.1:c.511A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001293190.1:c.472A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001293191.1:c.460A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001293192.1:c.151A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001293195.1:c.427A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001293196.1:c.151A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001350650.1:c.82A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001350651.1:c.82A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_012222.2:c.502A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NR_146882.1:n.685A>G - non-coding transcript variant - [Sequence Ontology: SO:0001619]
  • NR_146883.1:n.499A>G - non-coding transcript variant - [Sequence Ontology: SO:0001619]


MedGen: CN169374

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
SCV001467773Women's Health and Genetics/Laboratory Corporation of America, LabCorpcriteria provided, single submitter
Uncertain significance
(Dec 11, 2020)
germlineclinical testing

Citation Link

Summary from all submissions

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

Details of each submission

From Women's Health and Genetics/Laboratory Corporation of America, LabCorp, SCV001467773.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided


Variant summary: MUTYH c.511A>G (p.Asn171Asp) results in a conservative amino acid change located in the HhH-GPD domain (IPR003265) of the encoded protein sequence. Four of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 8e-06 in 251470 control chromosomes (gnomAD). The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. To our knowledge, no occurrence of c.511A>G in individuals affected with MUTYH-Associated Polyposis and no experimental evidence demonstrating its impact on protein function have been reported. Three clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. All laboratories classified the variant as uncertain significance. Based on the evidence outlined above, the variant was classified as uncertain significance.

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

Last Updated: Jun 25, 2021

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