2-47403233-G-A

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 0P and 11B. BP4_ModerateBP6_Very_StrongBP7

The NM_000251.3(MSH2):​c.42G>A​(p.Ala14=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000875 in 1,599,450 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 (★★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000076 ( 0 hom. )

Consequence

MSH2
NM_000251.3 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 0.709
Variant links:
Genes affected
MSH2 (HGNC:7325): (mutS homolog 2) This locus is frequently mutated in hereditary nonpolyposis colon cancer (HNPCC). When cloned, it was discovered to be a human homolog of the E. coli mismatch repair gene mutS, consistent with the characteristic alterations in microsatellite sequences (RER+ phenotype) found in HNPCC. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.21).
BP6
Variant 2-47403233-G-A is Benign according to our data. Variant chr2-47403233-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 183934.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=0.709 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MSH2NM_000251.3 linkuse as main transcriptc.42G>A p.Ala14= synonymous_variant 1/16 ENST00000233146.7 NP_000242.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MSH2ENST00000233146.7 linkuse as main transcriptc.42G>A p.Ala14= synonymous_variant 1/161 NM_000251.3 ENSP00000233146 P1P43246-1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152260
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000318
AC:
7
AN:
219958
Hom.:
0
AF XY:
0.0000417
AC XY:
5
AN XY:
119946
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000722
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000511
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000760
AC:
11
AN:
1447190
Hom.:
0
Cov.:
31
AF XY:
0.0000111
AC XY:
8
AN XY:
718696
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000716
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000452
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152260
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74396
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000441
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000403
Hom.:
0
Bravo
AF:
0.00000756

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:6
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Lynch syndrome 1 Benign:2
Likely benign, criteria provided, single submitterclinical testingCounsylOct 26, 2016- -
Benign, criteria provided, single submitterclinical testingMyriad Genetics, Inc.Mar 20, 2023This variant is considered benign. This variant is a silent/synonymous amino acid change and it is not expected to impact splicing. -
Hereditary cancer-predisposing syndrome Benign:2
Likely benign, criteria provided, single submitterclinical testingAmbry GeneticsOct 01, 2016This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
Likely benign, criteria provided, single submitterclinical testingColor Diagnostics, LLC DBA Color HealthMar 08, 2018- -
Lynch syndrome Benign:1
Likely benign, criteria provided, single submitterclinical testingAll of Us Research Program, National Institutes of HealthDec 01, 2023- -
Hereditary nonpolyposis colorectal neoplasms Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 19, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.21
CADD
Benign
13
DANN
Benign
0.97
RBP_binding_hub_radar
0.92
RBP_regulation_power_radar
2.7

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs374396150; hg19: chr2-47630372; API