chr1-212286252-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_006243.4(PPP2R5A):​c.142G>A​(p.Gly48Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000718 in 1,392,940 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 7.2e-7 ( 0 hom. )

Consequence

PPP2R5A
NM_006243.4 missense

Scores

1
18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.14
Variant links:
Genes affected
PPP2R5A (HGNC:9309): (protein phosphatase 2 regulatory subunit B'alpha) The product of this gene belongs to the phosphatase 2A regulatory subunit B family. Protein phosphatase 2A is one of the four major Ser/Thr phosphatases, and it is implicated in the negative control of cell growth and division. It consists of a common heteromeric core enzyme, which is composed of a catalytic subunit and a constant regulatory subunit, that associates with a variety of regulatory subunits. The B regulatory subunit might modulate substrate selectivity and catalytic activity. This gene encodes an alpha isoform of the regulatory subunit B56 subfamily. Alternative transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Dec 2010]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.03580481).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PPP2R5ANM_006243.4 linkuse as main transcriptc.142G>A p.Gly48Ser missense_variant 1/13 ENST00000261461.7 NP_006234.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PPP2R5AENST00000261461.7 linkuse as main transcriptc.142G>A p.Gly48Ser missense_variant 1/131 NM_006243.4 ENSP00000261461 P1Q15172-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000694
AC:
1
AN:
144124
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
78720
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000415
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS 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:
7.18e-7
AC:
1
AN:
1392940
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
688744
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000273
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.00000378

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 submitterclinical testingAmbry GeneticsJan 26, 2023The c.142G>A (p.G48S) alteration is located in exon 1 (coding exon 1) of the PPP2R5A gene. This alteration results from a G to A substitution at nucleotide position 142, causing the glycine (G) at amino acid position 48 to be replaced by a serine (S). 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
0.065
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.60
CADD
Benign
18
DANN
Benign
0.93
DEOGEN2
Benign
0.035
T
Eigen
Benign
-0.71
Eigen_PC
Benign
-0.53
FATHMM_MKL
Benign
0.35
N
LIST_S2
Benign
0.81
T
M_CAP
Benign
0.0060
T
MetaRNN
Benign
0.036
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-0.41
N
MutationTaster
Benign
0.75
D;D
PrimateAI
Uncertain
0.52
T
PROVEAN
Benign
0.55
N
REVEL
Benign
0.040
Sift
Benign
1.0
T
Sift4G
Benign
1.0
T
Polyphen
0.0090
B
Vest4
0.090
MutPred
0.19
Gain of phosphorylation at G48 (P = 0.0132);
MVP
0.17
MPC
0.70
ClinPred
0.14
T
GERP RS
1.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.8
Varity_R
0.089
gMVP
0.16

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: rs1399657182; hg19: chr1-212459594; API