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chr17-39634084-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_032192.4(PPP1R1B):​c.443C>A​(p.Ser148Tyr) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,613,564 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/23 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

PPP1R1B
NM_032192.4 missense, splice_region

Scores

2
13
Splicing: ADA: 0.0001211
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.658
Variant links:
Genes affected
PPP1R1B (HGNC:9287): (protein phosphatase 1 regulatory inhibitor subunit 1B) This gene encodes a bifunctional signal transduction molecule. Dopaminergic and glutamatergic receptor stimulation regulates its phosphorylation and function as a kinase or phosphatase inhibitor. As a target for dopamine, this gene may serve as a therapeutic target for neurologic and psychiatric disorders. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2011]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.07500744).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PPP1R1BNM_032192.4 linkuse as main transcriptc.443C>A p.Ser148Tyr missense_variant, splice_region_variant 5/7 ENST00000254079.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PPP1R1BENST00000254079.9 linkuse as main transcriptc.443C>A p.Ser148Tyr missense_variant, splice_region_variant 5/71 NM_032192.4 P1Q9UD71-1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152232
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000279
AC:
7
AN:
250930
Hom.:
0
AF XY:
0.0000369
AC XY:
5
AN XY:
135612
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000381
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:
0.00000616
AC:
9
AN:
1461332
Hom.:
0
Cov.:
32
AF XY:
0.00000688
AC XY:
5
AN XY:
726930
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000151
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152232
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74384
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000192
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.000478
Bravo
AF:
0.0000227
ExAC
AF:
0.0000247
AC:
3

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 GeneticsFeb 28, 2023The c.443C>A (p.S148Y) alteration is located in exon 5 (coding exon 5) of the PPP1R1B gene. This alteration results from a C to A substitution at nucleotide position 443, causing the serine (S) at amino acid position 148 to be replaced by a tyrosine (Y). 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
0.11
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.38
CADD
Benign
19
DANN
Uncertain
0.99
DEOGEN2
Benign
0.12
T;T;.;.;.
Eigen
Benign
-0.84
Eigen_PC
Benign
-0.82
FATHMM_MKL
Benign
0.091
N
M_CAP
Benign
0.025
T
MetaRNN
Benign
0.075
T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.1
L;L;.;.;.
MutationTaster
Benign
1.0
N;N;N;N;N;N;N
PrimateAI
Benign
0.35
T
Sift4G
Uncertain
0.038
D;D;D;D;D
Polyphen
0.040
B;B;.;.;.
Vest4
0.35
MVP
0.35
MPC
1.1
ClinPred
0.11
T
GERP RS
2.5
Varity_R
0.048
gMVP
0.017

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00012
dbscSNV1_RF
Benign
0.026
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: rs757592685; hg19: chr17-37790337; API