Variant 2-27381615-T-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_177983.3(PPM1G):c.1625A>C(p.Lys542Thr) variant causes a missense change. The variant allele was found at a frequency of 0.000601 in 1,611,714 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. K542E) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00059 ( 0 hom. )

Consequence

PPM1G
NM_177983.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.56

Variant links:

Genes affected

PPM1G (HGNC:9278): (protein phosphatase, Mg2+/Mn2+ dependent 1G) The protein encoded by this gene is a member of the PP2C family of Ser/Thr protein phosphatases. PP2C family members are known to be negative regulators of cell stress response pathways. This phosphatase is found to be responsible for the dephosphorylation of Pre-mRNA splicing factors, which is important for the formation of functional spliceosome. Studies of a similar gene in mice suggested a role of this phosphatase in regulating cell cycle progression. [provided by RefSeq, Apr 2010]

PPM1G links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.06500882).

BS2

High AC in GnomAd4 at 101 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
PPM1G	NM_177983.3 link	c.1625A>C	p.Lys542Thr	missense_variant	10/10	ENST00000344034.5	NP_817092.1	O15355Q6IAU5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
PPM1G	ENST00000344034.5 link	c.1625A>C	p.Lys542Thr	missense_variant	10/10	1	NM_177983.3	ENSP00000342778.4		O15355
PPM1G	ENST00000472077.1 link	n.3332A>C		non_coding_transcript_exon_variant	8/8	2

Frequencies

GnomAD3 genomes

AF:

0.000665

AC:

101

AN:

151934

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000435

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000394

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00110

Gnomad OTH

AF:

0.000479

GnomAD3 exomes

AF:

0.000509

AC:

128

AN:

251488

Hom.:

AF XY:

0.000537

AC XY:

AN XY:

135918

show subpopulations

Gnomad AFR exome

AF:

0.000246

Gnomad AMR exome

AF:

0.000202

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad SAS exome

AF:

0.0000653

Gnomad FIN exome

AF:

0.0000462

Gnomad NFE exome

AF:

0.000984

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000595

AC:

868

AN:

1459780

Hom.:

Cov.:

AF XY:

0.000602

AC XY:

437

AN XY:

726204

show subpopulations

Gnomad4 AFR exome

AF:

0.000299

Gnomad4 AMR exome

AF:

0.000246

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000101

Gnomad4 SAS exome

AF:

0.0000929

Gnomad4 FIN exome

AF:

0.0000374

Gnomad4 NFE exome

AF:

0.000720

Gnomad4 OTH exome

AF:

0.000548

GnomAD4 genome

AF:

0.000665

AC:

101

AN:

151934

Hom.:

Cov.:

AF XY:

0.000674

AC XY:

AN XY:

74222

show subpopulations

Gnomad4 AFR

AF:

0.000435

Gnomad4 AMR

AF:

0.000394

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00110

Gnomad4 OTH

AF:

0.000479

Alfa

AF:

0.000244

Hom.:

Bravo

AF:

0.000446

TwinsUK

AF:

0.000539

AC:

ALSPAC

AF:

0.000778

AC:

ESP6500AA

AF:

0.000681

AC:

ESP6500EA

AF:

0.00116

AC:

ExAC

AF:

0.000651

AC:

EpiCase

AF:

0.000600

EpiControl

AF:

0.000711

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Aug 13, 2021

The c.1625A>C (p.K542T) alteration is located in exon 10 (coding exon 10) of the PPM1G gene. This alteration results from a A to C substitution at nucleotide position 1625, causing the lysine (K) at amino acid position 542 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.35

BayesDel_noAF

Benign

-0.33

CADD

Benign

DANN

Uncertain

1.0

DEOGEN2

Benign

0.15

Eigen

Benign

0.018

Eigen_PC

Benign

0.034

FATHMM_MKL

Uncertain

0.92

LIST_S2

Benign

0.83

M_CAP

Benign

0.027

MetaRNN

Benign

0.065

MetaSVM

Benign

-0.91

MutationAssessor

Benign

1.0

PrimateAI

Uncertain

0.58

PROVEAN

Benign

-1.3

REVEL

Benign

0.15

Sift

Uncertain

0.015

Sift4G

Benign

0.068

Polyphen

0.66

Vest4

0.48

MVP

0.58

MPC

0.38

ClinPred

0.051

GERP RS

2.8

Varity_R

0.13

gMVP

0.49

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over