rs77456357

Variant names:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_002711.4(PPP1R3A):c.3259A>G(p.Ile1087Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00136 in 1,609,466 control chromosomes in the GnomAD database, including 28 homozygotes. 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 Benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. I1087R) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0074 ( 14 hom., cov: 32)

Exomes 𝑓: 0.00073 ( 14 hom. )

Consequence

PPP1R3A
NM_002711.4 missense

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.122

Publications

1 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: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0032697022).

BP6

Variant 7-113877833-T-C is Benign according to our data. Variant chr7-113877833-T-C is described in ClinVar as Benign. ClinVar VariationId is 393399.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00736 (1120/152104) while in subpopulation AFR AF = 0.0249 (1034/41536). AF 95% confidence interval is 0.0236. There are 14 homozygotes in GnomAd4. There are 514 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 14 Unknown gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PPP1R3A	NM_002711.4 link	c.3259A>G	p.Ile1087Val	missense_variant	Exon 4 of 4	ENST00000284601.4	NP_002702.2	Q16821-1
PPP1R3A	XM_005250473.4 link	c.2656A>G	p.Ile886Val	missense_variant	Exon 5 of 5		XP_005250530.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PPP1R3A	ENST00000284601.4 link	c.3259A>G	p.Ile1087Val	missense_variant	Exon 4 of 4	1	NM_002711.4	ENSP00000284601.3		Q16821-1

Frequencies

GnomAD3 genomes

AF:

0.00731

AC:

1111

AN:

151986

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0248

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00467

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00479

GnomAD2 exomes

AF:

0.00194

AC:

485

AN:

249786

AF XY:

0.00141

show subpopulations

Gnomad AFR exome

AF:

0.0258

Gnomad AMR exome

AF:

0.00169

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000931

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000988

GnomAD4 exome

AF:

0.000728

AC:

1061

AN:

1457362

Hom.:

Cov.:

AF XY:

0.000619

AC XY:

449

AN XY:

725310

show subpopulations

African (AFR)

AF:

0.0256

AC:

854

AN:

33330

American (AMR)

AF:

0.00164

AC:

AN:

44550

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26032

East Asian (EAS)

AF:

0.00

AC:

AN:

39656

South Asian (SAS)

AF:

0.0000580

AC:

AN:

86138

European-Finnish (FIN)

AF:

0.0000562

AC:

AN:

53340

Middle Eastern (MID)

AF:

0.00174

AC:

AN:

5756

European-Non Finnish (NFE)

AF:

0.0000126

AC:

AN:

1108348

Other (OTH)

AF:

0.00169

AC:

102

AN:

60212

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.478

Heterozygous variant carriers

117

176

234

293

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

112

140

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00736

AC:

1120

AN:

152104

Hom.:

Cov.:

AF XY:

0.00691

AC XY:

514

AN XY:

74362

show subpopulations

African (AFR)

AF:

0.0249

AC:

1034

AN:

41536

American (AMR)

AF:

0.00467

AC:

AN:

15218

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5152

South Asian (SAS)

AF:

0.000414

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

67954

Other (OTH)

AF:

0.00474

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

116

175

233

291

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

100

<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:

0.00276

Hom.:

Bravo

AF:

0.00800

ESP6500AA

AF:

0.0229

AC:

101

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.00241

AC:

293

Asia WGS

AF:

0.00260

AC:

AN:

3476

EpiCase

AF:

0.000109

EpiControl

AF:

0.00

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Monogenic diabetes

Benign:1

Dec 21, 2018

Personalized Diabetes Medicine Program, University of Maryland School of Medicine

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:research

ACMG criteria: BP4 (REVEL 0.027 + 10 predictors), BS2 (75 cases and 66 controls in T2DM), BA1 (2.6% MAF in gnomAD African)= benign -

not provided

Benign:1

Breakthrough Genomics, Breakthrough Genomics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.068

BayesDel_addAF

Benign

-0.77

BayesDel_noAF

Benign

-0.86

CADD

Benign

0.88

(source)

DANN

Benign

0.32

DEOGEN2

Benign

0.074

Eigen

Benign

-1.1

Eigen_PC

Benign

-0.87

FATHMM_MKL

Benign

0.060

LIST_S2

Benign

0.15

MetaRNN

Benign

0.0033

MetaSVM

Benign

-0.95

MutationAssessor

Benign

-1.7

PhyloP100

-0.12

PrimateAI

Benign

0.37

PROVEAN

Benign

0.24

REVEL

Benign

0.027

Sift

Benign

1.0

Sift4G

Benign

1.0

Polyphen

0.0

Vest4

0.036

MVP

0.31

MPC

0.039

ClinPred

0.0024

GERP RS

1.7

Varity_R

0.025

gMVP

0.15

Mutation Taster

=98/2

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

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over