rs370752614

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 0P and 3B. BP4_ModerateBP6

The NM_000535.7(PMS2):​c.1240G>T​(p.Asp414Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000186 in 1,613,880 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000020 ( 0 hom. )

Consequence

PMS2
NM_000535.7 missense

Scores

1
18

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:10B:3

Conservation

PhyloP100: 0.462
Variant links:
Genes affected
PMS2 (HGNC:9122): (PMS1 homolog 2, mismatch repair system component) The protein encoded by this gene is a key component of the mismatch repair system that functions to correct DNA mismatches and small insertions and deletions that can occur during DNA replication and homologous recombination. This protein forms heterodimers with the gene product of the mutL homolog 1 (MLH1) gene to form the MutL-alpha heterodimer. The MutL-alpha heterodimer possesses an endonucleolytic activity that is activated following recognition of mismatches and insertion/deletion loops by the MutS-alpha and MutS-beta heterodimers, and is necessary for removal of the mismatched DNA. There is a DQHA(X)2E(X)4E motif found at the C-terminus of the protein encoded by this gene that forms part of the active site of the nuclease. Mutations in this gene have been associated with hereditary nonpolyposis colorectal cancer (HNPCC; also known as Lynch syndrome) and Turcot syndrome. [provided by RefSeq, Apr 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.13331673).
BP6
Variant 7-5987525-C-A is Benign according to our data. Variant chr7-5987525-C-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 127757.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=2, Benign=1, Uncertain_significance=8}.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
PMS2NM_000535.7 linkc.1240G>T p.Asp414Tyr missense_variant Exon 11 of 15 ENST00000265849.12 NP_000526.2 P54278-1Q7Z3Q2B4DGM0

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
PMS2ENST00000265849.12 linkc.1240G>T p.Asp414Tyr missense_variant Exon 11 of 15 1 NM_000535.7 ENSP00000265849.7 P54278-1

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152048
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000657
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000120
AC:
3
AN:
250702
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135698
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000868
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000198
AC:
29
AN:
1461832
Hom.:
0
Cov.:
34
AF XY:
0.0000165
AC XY:
12
AN XY:
727218
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000671
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000225
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152048
Hom.:
0
Cov.:
31
AF XY:
0.0000135
AC XY:
1
AN XY:
74262
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000657
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:10Benign:3
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Hereditary cancer-predisposing syndrome Uncertain:3Benign:1
Apr 09, 2018
True Health Diagnostics
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Mar 06, 2022
Sema4, Sema4
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: curation

- -

Mar 20, 2023
Color Diagnostics, LLC DBA Color Health
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This missense variant replaces aspartic acid with tyrosine at codon 414 of the PMS2 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has been reported in an individual affected pancreatic cancer (PMID: 27449771). In a large breast cancer case-control study, this variant has been reported in 2/60466 cases and 1/53461 unaffected controls (PMID: 33471991). This variant has been identified in 3/250702 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance. -

Mar 04, 2024
Ambry Genetics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This 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. -

not specified Uncertain:2
Mar 04, 2025
Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jan 09, 2022
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Variant summary: PMS2 c.1240G>T (p.Asp414Tyr) results in a non-conservative amino acid change in the encoded protein sequence. Three of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 1.2e-05 in 250702 control chromosomes (gnomAD). The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. c.1240G>T has been reported in the literature in one individual affected with pancreatic cancer, who also carried a pathogenic variant in CDKN2A (co-occurring variant was not specified) (Yang 2016). The variant was also reported as likely benign in one patient diagnosed with a Lynch syndrome related cancer (Li_2020), and within a breast cancer patient cohort (Dorling_2021). However, these reports do not provide unequivocal conclusions about association of the variant with Hereditary Nonpolyposis Colorectal Cancer/Lynch syndrome. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. Five ClinVar submitters have assessed this variant since 2014: all submitters have classified the variant as of uncertain significance. Based on the evidence outlined above, the variant was classified as uncertain significance. -

not provided Uncertain:2
May 30, 2023
GeneDx
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Observed in an individual with pancreatic cancer who also harbored a CDKN2A pathogenic variant, in individuals with breast cancer, and in unaffected control(s) (Yang et al., 2016; Dorling et al., 2021); In silico analysis supports that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 31391288, 27449771, 33471991) -

Nov 16, 2024
Quest Diagnostics Nichols Institute San Juan Capistrano
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The BRCA2 c.7463G>A (p.Arg2488Lys) variant has been reported in the published literature in an individual with pancreatic cancer (PMID: 27449771 (2016)) and in an individual with a Lynch Syndrome-related cancer (PMID: 31391288 (2020)). In a large scale breast cancer association study, this variant has been observed in 2 breast cancer cases and 1 reportedly healthy individual (PMID: 33471991 (2021), see also LOVD (http://databases.lovd.nl/shared)). The frequency of this variant in the general population, 0.000087 (3/34558 chromosomes (Genome Aggregation Database, http://gnomad.broadinstitute.org)), is uninformative in the assessment of its pathogenicity. Analysis of this variant using bioinformatics tools for the prediction of the effect of amino acid changes on protein structure and function yielded predictions that this variant is benign. Based on the available information, we are unable to determine the clinical significance of this variant. -

Lynch syndrome 4 Uncertain:1Benign:1
Dec 08, 2023
Baylor Genetics
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jul 16, 2024
Myriad Genetics, Inc.
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant is considered likely benign. Homozygosity for this variant has been confirmed in one or more individuals lacking clinical features consistent with gene-specific recessive disease, indicating that this variant is unlikely to be pathogenic. -

PMS2-related disorder Uncertain:1
Apr 04, 2024
PreventionGenetics, part of Exact Sciences
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: clinical testing

The PMS2 c.1240G>T variant is predicted to result in the amino acid substitution p.Asp414Tyr. This variant has been reported in an individual with pancreatic cancer who also had a CDKN2A variant (Table S4, Yang et al. 2016. PubMed ID: 27449771). This variant was also reported in an individual with Lynch syndrome-related cancer (Table S5, Li et al. 2020. PubMed ID: 31391288). This variant was also documented in both affected (n=2) and control (n=1) individuals in a breast cancer study (Breast Cancer Association et al. 2021. PubMed ID: 33471991; https://bcac.ccge.medschl.cam.ac.uk/bcacdata/bridges-summary-results-breast-cancer-risk-genes-2021/). This variant is present in 3 out of ~251,000 alleles in the gnomAD database (https://gnomad.broadinstitute.org/variant/7-6027156-C-A); however, frequency data in this region is considered unreliable due to presence of a pseudogene. This variant has been interpreted as uncertain in the ClinVar database (https://www.ncbi.nlm.nih.gov/clinvar/variation/127757/). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Lynch syndrome Uncertain:1
May 24, 2024
All of Us Research Program, National Institutes of Health
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This missense variant replaces aspartic acid with tyrosine at codon 414 of the PMS2 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has been reported in an individual affected pancreatic cancer (PMID: 27449771). In a large breast cancer case-control study, this variant has been reported in 2/60466 cases and 1/53461 unaffected controls (PMID: 33471991). This variant has been identified in 3/250702 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance. -

Hereditary nonpolyposis colorectal neoplasms Benign:1
Jan 27, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.071
BayesDel_addAF
Benign
-0.28
T
BayesDel_noAF
Benign
-0.45
CADD
Benign
11
DANN
Benign
0.79
DEOGEN2
Benign
0.21
T;.;.;.;.
Eigen
Benign
-0.52
Eigen_PC
Benign
-0.55
FATHMM_MKL
Benign
0.16
N
LIST_S2
Benign
0.78
T;T;.;T;.
M_CAP
Benign
0.043
D
MetaRNN
Benign
0.13
T;T;T;T;T
MetaSVM
Benign
-0.53
T
MutationAssessor
Benign
0.69
N;.;.;.;.
PrimateAI
Benign
0.26
T
PROVEAN
Benign
-1.7
N;N;.;.;.
REVEL
Benign
0.21
Sift
Benign
0.040
D;T;.;.;.
Sift4G
Uncertain
0.035
D;D;.;.;.
Polyphen
0.28
B;P;.;.;P
Vest4
0.24
MVP
0.59
MPC
0.052
ClinPred
0.16
T
GERP RS
3.7
Varity_R
0.062
gMVP
0.43

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs370752614; hg19: chr7-6027156; API