chr5-146697963-C-T

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBA1

The NM_181675.4(PPP2R2B):​c.334+16G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.16 in 1,597,466 control chromosomes in the GnomAD database, including 21,557 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.18 ( 2511 hom., cov: 31)
Exomes 𝑓: 0.16 ( 19046 hom. )

Consequence

PPP2R2B
NM_181675.4 intron

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -2.42
Variant links:
Genes affected
PPP2R2B (HGNC:9305): (protein phosphatase 2 regulatory subunit Bbeta) The product of this gene belongs to the phosphatase 2 regulatory subunit B family. Protein phosphatase 2 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 a beta isoform of the regulatory subunit B55 subfamily. Defects in this gene cause autosomal dominant spinocerebellar ataxia 12 (SCA12), a disease caused by degeneration of the cerebellum, sometimes involving the brainstem and spinal cord, and in resulting in poor coordination of speech and body movements. Multiple alternatively spliced variants, which encode different isoforms, have been identified for this gene. The 5' UTR of some of these variants includes a CAG trinucleotide repeat sequence (7-28 copies) that can be expanded to 55-78 copies in cases of SCA12. [provided by RefSeq, Jul 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.9).
BP6
Variant 5-146697963-C-T is Benign according to our data. Variant chr5-146697963-C-T is described in ClinVar as [Benign]. Clinvar id is 1272737.Status of the report is criteria_provided_single_submitter, 1 stars.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.253 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PPP2R2BNM_181675.4 linkuse as main transcriptc.334+16G>A intron_variant ENST00000394411.9 NP_858061.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PPP2R2BENST00000394411.9 linkuse as main transcriptc.334+16G>A intron_variant 2 NM_181675.4 ENSP00000377933 P3Q00005-1

Frequencies

GnomAD3 genomes
AF:
0.176
AC:
26754
AN:
151780
Hom.:
2510
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.237
Gnomad AMI
AF:
0.133
Gnomad AMR
AF:
0.165
Gnomad ASJ
AF:
0.0954
Gnomad EAS
AF:
0.264
Gnomad SAS
AF:
0.166
Gnomad FIN
AF:
0.139
Gnomad MID
AF:
0.120
Gnomad NFE
AF:
0.147
Gnomad OTH
AF:
0.160
GnomAD3 exomes
AF:
0.169
AC:
40081
AN:
236964
Hom.:
3658
AF XY:
0.165
AC XY:
21149
AN XY:
128190
show subpopulations
Gnomad AFR exome
AF:
0.243
Gnomad AMR exome
AF:
0.206
Gnomad ASJ exome
AF:
0.103
Gnomad EAS exome
AF:
0.239
Gnomad SAS exome
AF:
0.158
Gnomad FIN exome
AF:
0.143
Gnomad NFE exome
AF:
0.150
Gnomad OTH exome
AF:
0.161
GnomAD4 exome
AF:
0.158
AC:
228982
AN:
1445568
Hom.:
19046
Cov.:
30
AF XY:
0.158
AC XY:
113283
AN XY:
718994
show subpopulations
Gnomad4 AFR exome
AF:
0.249
Gnomad4 AMR exome
AF:
0.198
Gnomad4 ASJ exome
AF:
0.101
Gnomad4 EAS exome
AF:
0.274
Gnomad4 SAS exome
AF:
0.157
Gnomad4 FIN exome
AF:
0.139
Gnomad4 NFE exome
AF:
0.153
Gnomad4 OTH exome
AF:
0.156
GnomAD4 genome
AF:
0.176
AC:
26767
AN:
151898
Hom.:
2511
Cov.:
31
AF XY:
0.176
AC XY:
13029
AN XY:
74220
show subpopulations
Gnomad4 AFR
AF:
0.237
Gnomad4 AMR
AF:
0.165
Gnomad4 ASJ
AF:
0.0954
Gnomad4 EAS
AF:
0.264
Gnomad4 SAS
AF:
0.165
Gnomad4 FIN
AF:
0.139
Gnomad4 NFE
AF:
0.147
Gnomad4 OTH
AF:
0.165
Alfa
AF:
0.147
Hom.:
2964
Bravo
AF:
0.186
Asia WGS
AF:
0.216
AC:
750
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingGeneDxJun 27, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.90
CADD
Benign
0.069
DANN
Benign
0.31

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: rs6879694; hg19: chr5-146077526; COSMIC: COSV60765670; COSMIC: COSV60765670; API