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GeneBe

10-96602389-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_152309.3(PIK3AP1):​c.2251G>A​(p.Val751Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,458,570 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V751F) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

PIK3AP1
NM_152309.3 missense

Scores

19

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.370
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.03270018).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PIK3AP1NM_152309.3 linkuse as main transcriptc.2251G>A p.Val751Ile missense_variant 16/17 ENST00000339364.10
LOC105378443XR_946220.4 linkuse as main transcriptn.1447-5287C>T intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PIK3AP1ENST00000339364.10 linkuse as main transcriptc.2251G>A p.Val751Ile missense_variant 16/171 NM_152309.3 P1Q6ZUJ8-1
PIK3AP1ENST00000371109.3 linkuse as main transcriptc.1048G>A p.Val350Ile missense_variant 9/101 Q6ZUJ8-3
PIK3AP1ENST00000371110.6 linkuse as main transcriptc.1717G>A p.Val573Ile missense_variant 15/162 Q6ZUJ8-2
PIK3AP1ENST00000467625.5 linkuse as main transcriptn.448G>A non_coding_transcript_exon_variant 5/63

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251254
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135808
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.86e-7
AC:
1
AN:
1458570
Hom.:
0
Cov.:
30
AF XY:
0.00000138
AC XY:
1
AN XY:
725710
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.01e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.066
BayesDel_addAF
Benign
-0.33
T
BayesDel_noAF
Benign
-0.71
CADD
Benign
17
DANN
Benign
0.92
DEOGEN2
Benign
0.069
T;.;.
Eigen
Benign
-0.60
Eigen_PC
Benign
-0.43
FATHMM_MKL
Benign
0.42
N
LIST_S2
Benign
0.77
T;T;T
M_CAP
Benign
0.0046
T
MetaRNN
Benign
0.033
T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.76
N;.;.
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.35
T
PROVEAN
Benign
-0.050
N;N;N
REVEL
Benign
0.041
Sift
Benign
0.50
T;T;T
Sift4G
Benign
0.99
T;T;T
Polyphen
0.0030
B;.;B
Vest4
0.028
MutPred
0.073
Loss of loop (P = 0.2237);.;.;
MVP
0.17
MPC
0.44
ClinPred
0.066
T
GERP RS
2.1
Varity_R
0.017
gMVP
0.080

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs147376017; hg19: chr10-98362146; API