3-130680701-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2 PP3

The NM_014602.3(PIK3R4):c.3818C>G(p.Pro1273Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: PIK3R4 NM_014602.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.40

Genes affected

PIK3R4 (HGNC:8982): (phosphoinositide-3-kinase regulatory subunit 4) Predicted to enable protein serine/threonine kinase activity. Involved in positive regulation of phosphatidylinositol 3-kinase activity; receptor catabolic process; and regulation of cytokinesis. Located in late endosome and microtubule cytoskeleton. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.788

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
PIK3R4	NM_014602.3	c.3818C>G	p.Pro1273Arg	missense_variant	19/20	ENST00000356763.8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
PIK3R4	ENST00000356763.8	c.3818C>G	p.Pro1273Arg	missense_variant	19/20	1	NM_014602.3	P1
PIK3R4	ENST00000511760.1	n.116C>G		non_coding_transcript_exon_variant	2/3	2
PIK3R4	ENST00000512362.5	n.548C>G		non_coding_transcript_exon_variant	5/5	2
PIK3R4	ENST00000512677.1	n.647C>G		non_coding_transcript_exon_variant	6/6	3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 29

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Jan 01, 2023

PIK3R4: PM2 -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.92
BayesDel_addAF	Pathogenic	0.20	D
BayesDel_noAF	Uncertain	0.050
Cadd	Pathogenic	28
Dann	Uncertain	1.0
DEOGEN2	Benign	0.28	T
Eigen	Pathogenic	0.82
Eigen_PC	Pathogenic	0.83
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.94	D
M_CAP	Benign	0.021	T
MetaRNN	Pathogenic	0.79	D
MetaSVM	Benign	-1.2	T
MutationAssessor	Benign	2.0	M
MutationTaster	Benign	1.0	D
PrimateAI	Uncertain	0.76	T
PROVEAN	Pathogenic	-6.4	D
REVEL	Uncertain	0.42
Sift	Uncertain	0.0020	D
Sift4G	Uncertain	0.0080	D
Polyphen		1.0	D
Vest4		0.82
MutPred		0.50		Gain of MoRF binding (P = 0.0031);
MVP		0.62
MPC		0.91
ClinPred		0.99	D
GERP RS		5.6
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.73
gMVP		0.62

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr3-130399545;