2-189805832-G-A

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_000534.5(PMS1):​c.418+78G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000269 in 1,582,372 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.00057 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00024 ( 2 hom. )

Consequence

PMS1
NM_000534.5 intron

Scores

16

Clinical Significance

Likely benign no assertion criteria provided B:1O:1

Conservation

PhyloP100: -1.25
Variant links:
Genes affected
PMS1 (HGNC:9121): (PMS1 homolog 1, mismatch repair system component) This gene encodes a protein belonging to the DNA mismatch repair mutL/hexB family. This protein is thought to be involved in the repair of DNA mismatches, and it can form heterodimers with MLH1, a known DNA mismatch repair protein. Mutations in this gene cause hereditary nonpolyposis colorectal cancer type 3 (HNPCC3) either alone or in combination with mutations in other genes involved in the HNPCC phenotype, which is also known as Lynch syndrome. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.010663331).
BP6
Variant 2-189805832-G-A is Benign according to our data. Variant chr2-189805832-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 133375.Status of the report is no_assertion_criteria_provided, 0 stars.
BS2
High Homozygotes in GnomAdExome4 at 2 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PMS1NM_000534.5 linkuse as main transcriptc.418+78G>A intron_variant ENST00000441310.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PMS1ENST00000441310.7 linkuse as main transcriptc.418+78G>A intron_variant 1 NM_000534.5 P1P54277-1

Frequencies

GnomAD3 genomes
AF:
0.000560
AC:
85
AN:
151698
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00138
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000394
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000955
Gnomad MID
AF:
0.0127
Gnomad NFE
AF:
0.000221
Gnomad OTH
AF:
0.000959
GnomAD3 exomes
AF:
0.000291
AC:
58
AN:
199036
Hom.:
2
AF XY:
0.000261
AC XY:
28
AN XY:
107414
show subpopulations
Gnomad AFR exome
AF:
0.00138
Gnomad AMR exome
AF:
0.000732
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000101
Gnomad NFE exome
AF:
0.000173
Gnomad OTH exome
AF:
0.000775
GnomAD4 exome
AF:
0.000237
AC:
339
AN:
1430564
Hom.:
2
Cov.:
33
AF XY:
0.000268
AC XY:
190
AN XY:
709074
show subpopulations
Gnomad4 AFR exome
AF:
0.00117
Gnomad4 AMR exome
AF:
0.000656
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000386
Gnomad4 NFE exome
AF:
0.000209
Gnomad4 OTH exome
AF:
0.000542
GnomAD4 genome
AF:
0.000567
AC:
86
AN:
151808
Hom.:
0
Cov.:
33
AF XY:
0.000553
AC XY:
41
AN XY:
74178
show subpopulations
Gnomad4 AFR
AF:
0.00138
Gnomad4 AMR
AF:
0.000394
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000955
Gnomad4 NFE
AF:
0.000221
Gnomad4 OTH
AF:
0.000949
Alfa
AF:
0.000535
Hom.:
2
Bravo
AF:
0.000684
ExAC
AF:
0.000269
AC:
32

ClinVar

Significance: Likely benign
Submissions summary: Benign:1Other:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

PMS1-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesNov 02, 2022This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
not specified Other:1
not provided, no classification providedreference populationITMISep 19, 2013- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
-0.50
T
BayesDel_noAF
Benign
-0.51
CADD
Benign
1.9
DANN
Benign
0.84
DEOGEN2
Benign
0.0094
T
Eigen
Benign
-1.1
Eigen_PC
Benign
-1.2
FATHMM_MKL
Benign
0.032
N
LIST_S2
Benign
0.29
T
M_CAP
Benign
0.025
T
MetaRNN
Benign
0.011
T
MetaSVM
Benign
-0.69
T
MutationTaster
Benign
1.0
N;N;N;N;N;N;N
PROVEAN
Benign
1.3
N
REVEL
Benign
0.13
Sift
Benign
0.46
T
Sift4G
Benign
0.47
T
Polyphen
0.0
B
Vest4
0.066
MVP
0.85
ClinPred
0.0019
T
GERP RS
0.32

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: rs550407834; hg19: chr2-190670558; API