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rs533077843

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_ModerateBP6_ModerateBP7BS1BS2

The NM_181523.3(PIK3R1):​c.571C>T​(p.Leu191=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000511 in 1,614,084 control chromosomes in the GnomAD database, including 8 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.00032 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00053 ( 8 hom. )

Consequence

PIK3R1
NM_181523.3 synonymous

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.0860
Variant links:
Genes affected
PIK3R1 (HGNC:8979): (phosphoinositide-3-kinase regulatory subunit 1) Phosphatidylinositol 3-kinase phosphorylates the inositol ring of phosphatidylinositol at the 3-prime position. The enzyme comprises a 110 kD catalytic subunit and a regulatory subunit of either 85, 55, or 50 kD. This gene encodes the 85 kD regulatory subunit. Phosphatidylinositol 3-kinase plays an important role in the metabolic actions of insulin, and a mutation in this gene has been associated with insulin resistance. Alternative splicing of this gene results in four transcript variants encoding different isoforms. [provided by RefSeq, Jun 2011]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.26).
BP6
Variant 5-68279670-C-T is Benign according to our data. Variant chr5-68279670-C-T is described in ClinVar as [Benign]. Clinvar id is 463165.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-0.086 with no splicing effect.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.000315 (48/152282) while in subpopulation SAS AF= 0.00975 (47/4822). AF 95% confidence interval is 0.00753. There are 0 homozygotes in gnomad4. There are 32 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 8 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PIK3R1NM_181523.3 linkuse as main transcriptc.571C>T p.Leu191= synonymous_variant 5/16 ENST00000521381.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PIK3R1ENST00000521381.6 linkuse as main transcriptc.571C>T p.Leu191= synonymous_variant 5/161 NM_181523.3 P1P27986-1

Frequencies

GnomAD3 genomes
AF:
0.000315
AC:
48
AN:
152164
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00974
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00108
AC:
272
AN:
251394
Hom.:
2
AF XY:
0.00155
AC XY:
210
AN XY:
135868
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00879
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000880
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000531
AC:
776
AN:
1461802
Hom.:
8
Cov.:
31
AF XY:
0.000791
AC XY:
575
AN XY:
727218
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00858
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000270
Gnomad4 OTH exome
AF:
0.000513
GnomAD4 genome
AF:
0.000315
AC:
48
AN:
152282
Hom.:
0
Cov.:
32
AF XY:
0.000430
AC XY:
32
AN XY:
74470
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00975
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000854
Hom.:
0
Bravo
AF:
0.0000416
Asia WGS
AF:
0.00318
AC:
11
AN:
3478

ClinVar

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

Submissions by phenotype

SHORT syndrome;C3554689:Agammaglobulinemia 7, autosomal recessive;C4014934:Immunodeficiency 36 Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJan 05, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.26
CADD
Benign
7.6
DANN
Benign
0.77

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: rs533077843; hg19: chr5-67575498; API