NM_005026.5:c.2820T>C

Variant names:

Variant summary

Our verdict is Benign. The variant received -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2

The NM_005026.5(PIK3CD):c.2820T>C(p.His940His) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00489 in 1,614,066 control chromosomes in the GnomAD database, including 24 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0033 ( 1 hom., cov: 33)

Exomes 𝑓: 0.0051 ( 23 hom. )

Consequence

PIK3CD
NM_005026.5 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: -1.02

Publications

7 publications found

Variant links:

Genes affected

PIK3CD (HGNC:8977): (phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta) Phosphoinositide 3-kinases (PI3Ks) phosphorylate inositol lipids and are involved in the immune response. The protein encoded by this gene is a class I PI3K found primarily in leukocytes. Like other class I PI3Ks (p110-alpha p110-beta, and p110-gamma), the encoded protein binds p85 adapter proteins and GTP-bound RAS. However, unlike the other class I PI3Ks, this protein phosphorylates itself, not p85 protein.[provided by RefSeq, Jul 2010]

PIK3CD Gene-Disease associations (from GenCC):

immunodeficiency 14
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics
immunodeficiency 14b, autosomal recessive
Inheritance: AR, Unknown Classification: DEFINITIVE, MODERATE, LIMITED Submitted by: ClinGen, Ambry Genetics, Labcorp Genetics (formerly Invitae)
activated PI3K-delta syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

PIK3CD links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -17 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.63).

BP6

Variant 1-9724377-T-C is Benign according to our data. Variant chr1-9724377-T-C is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 440068.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-1.02 with no splicing effect.

BS2

High Homozygotes in GnomAdExome4 at 23 AD,AR,Unknown gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PIK3CD	NM_005026.5 link	c.2820T>C	p.His940His	synonymous_variant	Exon 22 of 24	ENST00000377346.9	NP_005017.3	O00329-1A0A2K8FKV1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PIK3CD	ENST00000377346.9 link	c.2820T>C	p.His940His	synonymous_variant	Exon 22 of 24	1	NM_005026.5	ENSP00000366563.4		O00329-1

Frequencies

GnomAD3 genomes

AF:

0.00327

AC:

497

AN:

152178

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00113

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000720

Gnomad ASJ

AF:

0.000288

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00509

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00557

Gnomad OTH

AF:

0.00239

GnomAD2 exomes

AF:

0.00326

AC:

821

AN:

251470

AF XY:

0.00317

show subpopulations

Gnomad AFR exome

AF:

0.00129

Gnomad AMR exome

AF:

0.000665

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00342

Gnomad NFE exome

AF:

0.00608

Gnomad OTH exome

AF:

0.00163

GnomAD4 exome

AF:

0.00506

AC:

7403

AN:

1461770

Hom.:

Cov.:

AF XY:

0.00487

AC XY:

3542

AN XY:

727188

show subpopulations

African (AFR)

AF:

0.000866

AC:

AN:

33478

American (AMR)

AF:

0.000671

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.000115

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000232

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00382

AC:

204

AN:

53354

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00628

AC:

6983

AN:

1111962

Other (OTH)

AF:

0.00248

AC:

150

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

397

794

1190

1587

1984

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

272

544

816

1088

1360

<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:

0.00326

AC:

497

AN:

152296

Hom.:

Cov.:

AF XY:

0.00313

AC XY:

233

AN XY:

74478

show subpopulations

African (AFR)

AF:

0.00113

AC:

AN:

41562

American (AMR)

AF:

0.000719

AC:

AN:

15300

Ashkenazi Jewish (ASJ)

AF:

0.000288

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00509

AC:

AN:

10608

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00557

AC:

379

AN:

68030

Other (OTH)

AF:

0.00236

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.499

Heterozygous variant carriers

103

129

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<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:

0.00421

Hom.:

Bravo

AF:

0.00269

Asia WGS

AF:

0.000577

AC:

AN:

3478

EpiCase

AF:

0.00431

EpiControl

AF:

0.00415

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:5

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Aug 12, 2024

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Dec 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

PIK3CD: BP4, BP7, BS2 -

not specified

Benign:1

May 05, 2021

Genetic Services Laboratory, University of Chicago

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

PIK3CD-related disorder

Benign:1

Jul 31, 2019

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Immunodeficiency 14

Benign:1

Jan 29, 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

-0.63

CADD

Benign

4.3

(source)

DANN

Benign

0.70

PhyloP100

-1.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=96/4

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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