Genetic Variant PPP1R3A:p.Arg210Ser (chr7-113918369-G-T) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_002711.4(PPP1R3A):c.628C>A(p.Arg210Ser) variant causes a missense change. The variant allele was found at a frequency of 0.00000658 in 151,902 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 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. R210C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

PPP1R3A
NM_002711.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.42

Publications

4 publications found

Variant links:

Genes affected

PPP1R3A (HGNC:9291): (protein phosphatase 1 regulatory subunit 3A) The glycogen-associated form of protein phosphatase-1 (PP1) derived from skeletal muscle is a heterodimer composed of a 37-kD catalytic subunit and a 124-kD targeting and regulatory subunit. This gene encodes the regulatory subunit which binds to muscle glycogen with high affinity, thereby enhancing dephosphorylation of glycogen-bound substrates for PP1 such as glycogen synthase and glycogen phosphorylase kinase. [provided by RefSeq, Jul 2008]

PPP1R3A Gene-Disease associations (from GenCC):

diabetes mellitus, noninsulin-dependent
Inheritance: Unknown Classification: LIMITED, NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics

PPP1R3A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.904

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PPP1R3A	NM_002711.4 link	c.628C>A	p.Arg210Ser	missense_variant	Exon 1 of 4	ENST00000284601.4	NP_002702.2
PPP1R3A	XM_005250473.4 link	c.97-72C>A		intron_variant	Intron 1 of 4		XP_005250530.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein
PPP1R3A	ENST00000284601.4 link	c.628C>A	p.Arg210Ser	missense_variant	Exon 1 of 4	1	NM_002711.4	ENSP00000284601.3
PPP1R3A	ENST00000284602.1 link	n.179-72C>A		intron_variant	Intron 1 of 4	1		ENSP00000284602.1
PPP1R3A	ENST00000449795.5 link	c.-181-36049C>A		intron_variant	Intron 1 of 3	3		ENSP00000401278.1

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

151902

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000658

AC:

AN:

151902

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74188

show subpopulations

African (AFR)

AF:

0.0000242

AC:

AN:

41374

American (AMR)

AF:

0.00

AC:

AN:

15218

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3464

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10578

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67946

Other (OTH)

AF:

0.00

AC:

AN:

2086

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

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.97

BayesDel_addAF

Pathogenic

0.29

BayesDel_noAF

Pathogenic

0.18

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.34

Eigen

Pathogenic

0.78

Eigen_PC

Pathogenic

0.78

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.87

M_CAP

Benign

0.058

MetaRNN

Pathogenic

0.90

MetaSVM

Uncertain

-0.27

MutationAssessor

Uncertain

2.4

PhyloP100

5.4

PrimateAI

Uncertain

0.59

PROVEAN

Pathogenic

-4.7

REVEL

Uncertain

0.52

Sift

Benign

0.040

Sift4G

Uncertain

0.0060

Vest4

0.92

ClinPred

1.0

GERP RS

6.1

Varity_R

0.68

gMVP

0.78

Mutation Taster

=81/19

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over