1-45333516-G-T

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM1BP4

The NM_001048174.2(MUTYH):​c.161C>A​(p.Ser54Tyr) variant causes a missense change. The variant allele was found at a frequency of 0.0000186 in 1,614,094 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S54C) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

MUTYH
NM_001048174.2 missense

Scores

2
9
7

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:6B:1

Conservation

PhyloP100: 4.03

Publications

2 publications found
Variant links:
Genes affected
MUTYH (HGNC:7527): (mutY DNA glycosylase) This gene encodes a DNA glycosylase involved in oxidative DNA damage repair. The enzyme excises adenine bases from the DNA backbone at sites where adenine is inappropriately paired with guanine, cytosine, or 8-oxo-7,8-dihydroguanine, a major oxidatively damaged DNA lesion. The protein is localized to the nucleus and mitochondria. This gene product is thought to play a role in signaling apoptosis by the introduction of single-strand breaks following oxidative damage. Mutations in this gene result in heritable predisposition to colorectal cancer, termed MUTYH-associated polyposis (MAP). Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2017]
MUTYH Gene-Disease associations (from GenCC):
  • familial adenomatous polyposis 2
    Inheritance: AR, AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), ClinGen, G2P, Orphanet
  • colorectal cancer
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • familial ovarian cancer
    Inheritance: AD, AR Classification: NO_KNOWN Submitted by: ClinGen
  • hereditary breast carcinoma
    Inheritance: AR, AD Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM1
In a hotspot region, there are 4 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 15 benign, 59 uncertain in NM_001048174.2
BP4
Computational evidence support a benign effect (MetaRNN=0.36255655).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001048174.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MUTYH
NM_001128425.2
MANE Plus Clinical
c.245C>Ap.Ser82Tyr
missense
Exon 3 of 16NP_001121897.1E5KP25
MUTYH
NM_001048174.2
MANE Select
c.161C>Ap.Ser54Tyr
missense
Exon 3 of 16NP_001041639.1Q9UIF7-6
MUTYH
NM_012222.3
c.236C>Ap.Ser79Tyr
missense
Exon 3 of 16NP_036354.1Q9UIF7-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MUTYH
ENST00000710952.2
MANE Plus Clinical
c.245C>Ap.Ser82Tyr
missense
Exon 3 of 16ENSP00000518552.2E5KP25
MUTYH
ENST00000456914.7
TSL:1 MANE Select
c.161C>Ap.Ser54Tyr
missense
Exon 3 of 16ENSP00000407590.2Q9UIF7-6
MUTYH
ENST00000372098.7
TSL:1
c.236C>Ap.Ser79Tyr
missense
Exon 3 of 16ENSP00000361170.3Q9UIF7-1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152216
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.0000192
AC:
28
AN:
1461878
Hom.:
0
Cov.:
35
AF XY:
0.0000151
AC XY:
11
AN XY:
727242
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39698
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53418
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000234
AC:
26
AN:
1112002
Other (OTH)
AF:
0.0000331
AC:
2
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.464
Heterozygous variant carriers
0
3
6
8
11
14
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152216
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74368
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41452
American (AMR)
AF:
0.00
AC:
0
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68030
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.450
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378
EpiCase
AF:
0.0000545
EpiControl
AF:
0.000119

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
Familial adenomatous polyposis 2 (2)
-
1
1
Hereditary cancer-predisposing syndrome (2)
-
2
-
not provided (2)
-
1
-
MUTYH-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.19
BayesDel_addAF
Uncertain
0.066
T
BayesDel_noAF
Benign
-0.14
CADD
Benign
23
DANN
Uncertain
0.99
DEOGEN2
Benign
0.11
T
Eigen
Uncertain
0.46
Eigen_PC
Uncertain
0.44
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.89
D
M_CAP
Benign
0.030
D
MetaRNN
Benign
0.36
T
MetaSVM
Benign
-0.52
T
MutationAssessor
Pathogenic
3.1
M
PhyloP100
4.0
PrimateAI
Uncertain
0.51
T
PROVEAN
Uncertain
-2.4
N
REVEL
Benign
0.20
Sift
Uncertain
0.0070
D
Sift4G
Uncertain
0.036
D
Polyphen
0.99
D
Vest4
0.44
MutPred
0.46
Gain of helix (P = 0.0117)
MVP
0.84
MPC
0.58
ClinPred
0.98
D
GERP RS
3.9
Varity_R
0.37
gMVP
0.43
Mutation Taster
=84/16
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs876658645; hg19: chr1-45799188; API