2-47783292-C-T

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_ModerateBP6_Very_Strong

The NM_000179.3(MSH6):​c.59C>T​(p.Ala20Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000218 in 1,612,044 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 Likely benign (★★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A20T) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00023 ( 0 hom. )

Consequence

MSH6
NM_000179.3 missense

Scores

2
3
13

Clinical Significance

Likely benign reviewed by expert panel U:5B:15

Conservation

PhyloP100: 0.257

Publications

10 publications found
Variant links:
Genes affected
MSH6 (HGNC:7329): (mutS homolog 6) This gene encodes a member of the DNA mismatch repair MutS family. In E. coli, the MutS protein helps in the recognition of mismatched nucleotides prior to their repair. A highly conserved region of approximately 150 aa, called the Walker-A adenine nucleotide binding motif, exists in MutS homologs. The encoded protein heterodimerizes with MSH2 to form a mismatch recognition complex that functions as a bidirectional molecular switch that exchanges ADP and ATP as DNA mismatches are bound and dissociated. Mutations in this gene may be associated with hereditary nonpolyposis colon cancer, colorectal cancer, and endometrial cancer. Transcripts variants encoding different isoforms have been described. [provided by RefSeq, Jul 2013]
MSH6 Gene-Disease associations (from GenCC):
  • Lynch syndrome
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, G2P, Orphanet
  • Lynch syndrome 5
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
  • mismatch repair cancer syndrome 1
    Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
  • mismatch repair cancer syndrome 3
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, G2P
  • ovarian cancer
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • malignant pancreatic neoplasm
    Inheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp
  • Muir-Torre syndrome
    Inheritance: AD Classification: MODERATE, SUPPORTIVE Submitted by: Genomics England PanelApp, Orphanet
  • rhabdomyosarcoma
    Inheritance: AR Classification: MODERATE Submitted by: Genomics England PanelApp
  • breast cancer
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
  • prostate cancer
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
  • hereditary breast carcinoma
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.22988686).
BP6
Variant 2-47783292-C-T is Benign according to our data. Variant chr2-47783292-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 89540.Status of the report is reviewed_by_expert_panel, 3 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000179.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MSH6
NM_000179.3
MANE Select
c.59C>Tp.Ala20Val
missense
Exon 1 of 10NP_000170.1P52701-1
MSH6
NM_001406795.1
c.59C>Tp.Ala20Val
missense
Exon 1 of 11NP_001393724.1
MSH6
NM_001406813.1
c.59C>Tp.Ala20Val
missense
Exon 1 of 10NP_001393742.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MSH6
ENST00000234420.11
TSL:1 MANE Select
c.59C>Tp.Ala20Val
missense
Exon 1 of 10ENSP00000234420.5P52701-1
MSH6
ENST00000445503.5
TSL:1
n.59C>T
non_coding_transcript_exon
Exon 1 of 9ENSP00000405294.1F8WAX8
MSH6
ENST00000936511.1
c.59C>Tp.Ala20Val
missense
Exon 1 of 10ENSP00000606570.1

Frequencies

GnomAD3 genomes
AF:
0.000118
AC:
18
AN:
152220
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.000235
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000944
AC:
23
AN:
243766
AF XY:
0.000105
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000554
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000194
Gnomad OTH exome
AF:
0.000166
GnomAD4 exome
AF:
0.000229
AC:
334
AN:
1459824
Hom.:
0
Cov.:
30
AF XY:
0.000223
AC XY:
162
AN XY:
726280
show subpopulations
African (AFR)
AF:
0.0000300
AC:
1
AN:
33310
American (AMR)
AF:
0.00
AC:
0
AN:
44686
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26102
East Asian (EAS)
AF:
0.0000252
AC:
1
AN:
39636
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86158
European-Finnish (FIN)
AF:
0.0000382
AC:
2
AN:
52290
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
0.000285
AC:
317
AN:
1111540
Other (OTH)
AF:
0.000215
AC:
13
AN:
60336
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.487
Heterozygous variant carriers
0
20
41
61
82
102
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<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:
0.000118
AC:
18
AN:
152220
Hom.:
0
Cov.:
33
AF XY:
0.000108
AC XY:
8
AN XY:
74360
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41468
American (AMR)
AF:
0.0000654
AC:
1
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
314
European-Non Finnish (NFE)
AF:
0.000235
AC:
16
AN:
68036
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.503
Heterozygous variant carriers
0
2
4
5
7
9
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:
0.000608
Hom.:
0
Bravo
AF:
0.000189
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00
AC:
0
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000350
AC:
3
ExAC
AF:
0.0000581
AC:
7
EpiCase
AF:
0.000327
EpiControl
AF:
0.000178

ClinVar

ClinVar submissions
Significance:Likely benign
Revision:reviewed by expert panel
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
3
not specified (5)
-
-
4
not provided (4)
-
-
3
Hereditary cancer-predisposing syndrome (3)
-
2
1
Lynch syndrome 5 (3)
-
-
1
Carcinoma of colon (1)
-
1
-
Colorectal / endometrial cancer (1)
-
-
1
Hereditary nonpolyposis colorectal neoplasms (1)
-
-
1
Lynch syndrome 1 (1)
-
-
1
MSH6-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.088
BayesDel_addAF
Benign
-0.054
T
BayesDel_noAF
Uncertain
-0.040
CADD
Benign
17
DANN
Uncertain
1.0
DEOGEN2
Benign
0.24
T
Eigen
Benign
-0.72
Eigen_PC
Benign
-0.67
FATHMM_MKL
Benign
0.011
N
LIST_S2
Benign
0.76
T
M_CAP
Pathogenic
0.93
D
MetaRNN
Benign
0.23
T
MetaSVM
Benign
-0.77
T
MutationAssessor
Benign
0.55
N
PhyloP100
0.26
PrimateAI
Pathogenic
0.79
T
PROVEAN
Benign
0.51
N
REVEL
Uncertain
0.49
Sift
Benign
0.031
D
Sift4G
Benign
0.31
T
Polyphen
0.041
B
Vest4
0.24
MVP
0.83
ClinPred
0.052
T
GERP RS
2.1
PromoterAI
0.13
Neutral
RBP_binding_hub_radar
0.97
RBP_regulation_power_radar
2.1
Varity_R
0.058
gMVP
0.49
Mutation Taster
=96/4
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
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: rs63750664; hg19: chr2-48010431; COSMIC: COSV105861117; API