Genetic Variant PIK3AP1:p.Thr602Thr (chr10-96620487-C-T) – ACMG Classification: Benign (-17 pts)

Variant summary

Our verdict is Benign. Variant got -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2

The NM_152309.3(PIK3AP1):c.1806G>A(p.Thr602Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00109 in 1,614,030 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.00068 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0011 ( 1 hom. )

Consequence

PIK3AP1
NM_152309.3 synonymous

Scores

Clinical Significance

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

Conservation

PhyloP100: -3.89

Variant links:

Genes affected

PIK3AP1 (HGNC:30034): (phosphoinositide-3-kinase adaptor protein 1) Predicted to enable phosphatidylinositol 3-kinase regulatory subunit binding activity and signaling receptor binding activity. Predicted to be involved in regulation of inflammatory response; regulation of signal transduction; and toll-like receptor signaling pathway. Predicted to be located in cytoplasm and membrane. Predicted to be active in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

PIK3AP1 links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -17 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.74).

BP6

Variant 10-96620487-C-T is Benign according to our data. Variant chr10-96620487-C-T is described in ClinVar as [Benign]. Clinvar id is 474918.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-3.89 with no splicing effect.

BS2

High AC in GnomAd4 at 104 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PIK3AP1	NM_152309.3 link	c.1806G>A	p.Thr602Thr	synonymous_variant	Exon 12 of 17	ENST00000339364.10	NP_689522.2	Q6ZUJ8-1Q86YV3
PIK3AP1	XM_011539248.2 link	c.1806G>A	p.Thr602Thr	synonymous_variant	Exon 12 of 16		XP_011537550.1
PIK3AP1	XM_005269499.2 link	c.1272G>A	p.Thr424Thr	synonymous_variant	Exon 11 of 16		XP_005269556.1	Q6ZUJ8-2
PIK3AP1	XM_047424566.1 link	c.1272G>A	p.Thr424Thr	synonymous_variant	Exon 13 of 18		XP_047280522.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
PIK3AP1	ENST00000339364.10 link	c.1806G>A	p.Thr602Thr	synonymous_variant	Exon 12 of 17	1	NM_152309.3	ENSP00000339826.5	Q6ZUJ8-1
PIK3AP1	ENST00000371109.3 link	c.603G>A	p.Thr201Thr	synonymous_variant	Exon 5 of 10	1		ENSP00000360150.3	Q6ZUJ8-3
PIK3AP1	ENST00000371110.6 link	c.1272G>A	p.Thr424Thr	synonymous_variant	Exon 11 of 16	2		ENSP00000360151.2	Q6ZUJ8-2
PIK3AP1	ENST00000489982.1 link	n.-76G>A		upstream_gene_variant		3

Frequencies

GnomAD3 genomes

AF:

0.000684

AC:

104

AN:

152138

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000483

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000786

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00101

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.000677

AC:

170

AN:

251234

Hom.:

AF XY:

0.000656

AC XY:

AN XY:

135768

show subpopulations

Gnomad AFR exome

AF:

0.000369

Gnomad AMR exome

AF:

0.000983

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad SAS exome

AF:

0.0000653

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00107

Gnomad OTH exome

AF:

0.000815

GnomAD4 exome

AF:

0.00114

AC:

1660

AN:

1461774

Hom.:

Cov.:

AF XY:

0.00114

AC XY:

827

AN XY:

727190

show subpopulations

Gnomad4 AFR exome

AF:

0.000239

Gnomad4 AMR exome

AF:

0.000984

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000126

Gnomad4 SAS exome

AF:

0.0000232

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00138

Gnomad4 OTH exome

AF:

0.00109

GnomAD4 genome

AF:

0.000683

AC:

104

AN:

152256

Hom.:

Cov.:

AF XY:

0.000699

AC XY:

AN XY:

74440

show subpopulations

Gnomad4 AFR

AF:

0.000482

Gnomad4 AMR

AF:

0.000785

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000193

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00101

Gnomad4 OTH

AF:

0.000473

Alfa

AF:

0.00101

Hom.:

Bravo

AF:

0.000786

EpiCase

AF:

0.000927

EpiControl

AF:

0.00136

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Infantile spasms

Benign:1

Jan 13, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

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

BayesDel_noAF

Benign

-0.74

CADD

Benign

1.6

DANN

Benign

0.89

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over