dbSNP rs74496843: PIK3AP1:p.Asp502Asp (chr10-96626871-A-G) – ACMG Classification: Benign (-15 pts)

Variant summary

Our verdict is Benign. The variant received -15 ACMG points: 0P and 15B. BP4_StrongBP6_ModerateBP7BS1BS2

The NM_152309.3(PIK3AP1):c.1506T>C(p.Asp502Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00129 in 1,614,174 control chromosomes in the GnomAD database, including 26 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0067 ( 17 hom., cov: 32)

Exomes 𝑓: 0.00072 ( 9 hom. )

Consequence

PIK3AP1
NM_152309.3 synonymous

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -1.45

Publications

2 publications found

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:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -15 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.85).

BP6

Variant 10-96626871-A-G is Benign according to our data. Variant chr10-96626871-A-G is described in ClinVar as Benign. ClinVar VariationId is 474915.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-1.45 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00671 (1022/152348) while in subpopulation AFR AF = 0.0234 (974/41576). AF 95% confidence interval is 0.0222. There are 17 homozygotes in GnomAd4. There are 494 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 1022 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PIK3AP1	NM_152309.3 link	c.1506T>C	p.Asp502Asp	synonymous_variant	Exon 10 of 17	ENST00000339364.10	NP_689522.2	Q6ZUJ8-1Q86YV3
PIK3AP1	XM_011539248.2 link	c.1506T>C	p.Asp502Asp	synonymous_variant	Exon 10 of 16		XP_011537550.1
PIK3AP1	XM_005269499.2 link	c.972T>C	p.Asp324Asp	synonymous_variant	Exon 9 of 16		XP_005269556.1	Q6ZUJ8-2
PIK3AP1	XM_047424566.1 link	c.972T>C	p.Asp324Asp	synonymous_variant	Exon 11 of 18		XP_047280522.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
PIK3AP1	ENST00000339364.10 link	c.1506T>C	p.Asp502Asp	synonymous_variant	Exon 10 of 17	1	NM_152309.3	ENSP00000339826.5	Q6ZUJ8-1
PIK3AP1	ENST00000371109.3 link	c.303T>C	p.Asp101Asp	synonymous_variant	Exon 3 of 10	1		ENSP00000360150.3	Q6ZUJ8-3
PIK3AP1	ENST00000371110.6 link	c.972T>C	p.Asp324Asp	synonymous_variant	Exon 9 of 16	2		ENSP00000360151.2	Q6ZUJ8-2

Frequencies

GnomAD3 genomes

AF:

0.00672

AC:

1023

AN:

152230

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0235

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00235

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000735

Gnomad OTH

AF:

0.00287

GnomAD2 exomes

AF:

0.00188

AC:

473

AN:

251286

AF XY:

0.00146

show subpopulations

Gnomad AFR exome

AF:

0.0249

Gnomad AMR exome

AF:

0.00176

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000264

Gnomad OTH exome

AF:

0.000489

GnomAD4 exome

AF:

0.000722

AC:

1055

AN:

1461826

Hom.:

Cov.:

AF XY:

0.000644

AC XY:

468

AN XY:

727228

show subpopulations

African (AFR)

AF:

0.0234

AC:

785

AN:

33478

American (AMR)

AF:

0.00190

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.0000464

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.000693

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000791

AC:

AN:

1111950

Other (OTH)

AF:

0.00147

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.472

Heterozygous variant carriers

126

188

251

314

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

104

130

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00671

AC:

1022

AN:

152348

Hom.:

Cov.:

AF XY:

0.00663

AC XY:

494

AN XY:

74508

show subpopulations

African (AFR)

AF:

0.0234

AC:

974

AN:

41576

American (AMR)

AF:

0.00235

AC:

AN:

15312

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.000207

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000735

AC:

AN:

68030

Other (OTH)

AF:

0.00284

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.510

Heterozygous variant carriers

110

165

220

275

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00348

Hom.:

Bravo

AF:

0.00742

Asia WGS

AF:

0.00115

AC:

AN:

3478

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Infantile spasms

Benign:1

Feb 03, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.85

CADD

Benign

1.6

(source)

DANN

Benign

0.55

PhyloP100

-1.5

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over