Genetic Variant NM_002718.5:c.20T>G (chr3-136001518-T-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_002718.5(PPP2R3A):c.20T>G(p.Leu7Arg) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,224 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L7P) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PPP2R3A
NM_002718.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.83

Publications

0 publications found

Variant links:

Genes affected

PPP2R3A (HGNC:9307): (protein phosphatase 2 regulatory subunit B''alpha) This gene encodes one of the regulatory subunits of the protein phosphatase 2. Protein phosphatase 2 (formerly named type 2A) is one of the four major Ser/Thr phosphatases and is implicated in the negative control of cell growth and division. Protein phosphatase 2 holoenzymes are heterotrimeric proteins composed of a structural subunit A, a catalytic subunit C, and a regulatory subunit B. The regulatory subunit is encoded by a diverse set of genes that have been grouped into the B/PR55, B'/PR61, and B''/PR72 families. These different regulatory subunits confer distinct enzymatic specificities and intracellular localizations to the holozenzyme. The product of this gene belongs to the B'' family. The B'' family has been further divided into subfamilies. The product of this gene belongs to the alpha subfamily of regulatory subunit B''. Alternative splicing results in multiple transcript variants encoding different isoforms.[provided by RefSeq, Jun 2010]

PPP2R3A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002718.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PPP2R3A	NM_002718.5	MANE Select	c.20T>G	p.Leu7Arg	missense	Exon 2 of 14	NP_002709.2
	PPP2R3A	NM_001190447.2		c.-213-25314T>G		intron	N/A	NP_001177376.1	Q06190-3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PPP2R3A	ENST00000264977.8	TSL:1 MANE Select	c.20T>G	p.Leu7Arg	missense	Exon 2 of 14	ENSP00000264977.3	Q06190-1
PPP2R3A	ENST00000872859.1		c.20T>G	p.Leu7Arg	missense	Exon 2 of 14	ENSP00000542918.1
PPP2R3A	ENST00000872860.1		c.20T>G	p.Leu7Arg	missense	Exon 2 of 14	ENSP00000542919.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000400

AC:

AN:

249870

AF XY:

0.00000741

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000290

Gnomad ASJ exome

AF:

0.00

Gnomad EAS 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:

6.84e-7

AC:

AN:

1461224

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726824

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33476

American (AMR)

AF:

0.0000224

AC:

AN:

44668

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26106

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86120

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53386

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111634

Other (OTH)

AF:

0.00

AC:

AN:

60372

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.35

BayesDel_addAF

Uncertain

0.11

BayesDel_noAF

Uncertain

0.0

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.023

Eigen

Uncertain

0.66

Eigen_PC

Pathogenic

0.66

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Benign

0.78

M_CAP

Benign

0.023

MetaRNN

Uncertain

0.55

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.4

PhyloP100

5.8

PrimateAI

Uncertain

0.67

PROVEAN

Benign

-0.69

REVEL

Uncertain

0.30

Sift

Benign

0.099

Sift4G

Benign

0.11

Polyphen

1.0

Vest4

0.60

MutPred

0.66

Gain of MoRF binding (P = 7e-04)

MVP

0.21

MPC

0.45

ClinPred

0.54

GERP RS

5.5

Varity_R

0.32

gMVP

0.73

Mutation Taster

=61/39

polymorphism

(source)

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over