rs121434613

Variant names:

• chrX-111194402-C-A
• rs121434613
• NM_002578.5:c.1094C>A

Variant summary

Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PM2 PP3_Strong PP5_Moderate

The NM_002578.5(PAK3):​c.1094C>A​(p.Ala365Glu) 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 Pathogenic (★).

• Frequency:
  • Genomes: not found (cov: 23)
  • Exomes 𝑓: 0.0 (0 hom. 0 hem.)
  • Failed GnomAD Quality Control
• Consequence: PAK3 NM_002578.5 missense
• Clinical Significance: Pathogenic criteria provided, single submitter P:2
• Conservation: PhyloP100: 7.55

Genes affected

PAK3 (HGNC:8592): (p21 (RAC1) activated kinase 3) The protein encoded by this gene is a serine-threonine kinase and forms an activated complex with GTP-bound RAS-like (P21), CDC2 and RAC1. This protein may be necessary for dendritic development and for the rapid cytoskeletal reorganization in dendritic spines associated with synaptic plasticity. Defects in this gene are the cause of a non-syndromic form of X-linked intellectual disability. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2017]

ACMG classification

Verdict is Likely_pathogenic. Variant got 8 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.98
• PP5: Variant X-111194402-C-A is Pathogenic according to our data. Variant chrX-111194402-C-A is described in ClinVar as [Pathogenic]. Clinvar id is 11570.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PAK3	NM_002578.5	c.1094C>A	p.Ala365Glu	missense_variant	Exon 14 of 18	ENST00000372007.10	NP_002569.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PAK3	ENST00000372007.10	c.1094C>A	p.Ala365Glu	missense_variant	Exon 14 of 18	1	NM_002578.5	ENSP00000361077.4

Frequencies

GnomAD3 genomes Cov.: 23

GnomAD4 exome Data not reliable, filtered out with message: AC0;AS_VQSR AF: 0.00 AC: 0 AN: 975962 Hom.: 0 Cov.: 23 AF XY: 0.00 AC XY: 0 AN XY: 278604

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: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 23

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:2

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Pathogenic:1

Oct 07, 2022

GeneDx

Significance: Pathogenic

Review Status: criteria provided, single submitter

Collection Method: clinical testing

Published functional studies demonstrate a damaging effect as A365E showed complete loss of kinase activity and protein instability (Kreis et al., 2007; Duarte et al., 2020); Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 31843706, 24556213, 12884430, 17537723) -

Intellectual disability, X-linked 30 Pathogenic:1

Aug 01, 2003

OMIM

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: literature only

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	1.0
BayesDel_addAF	Pathogenic	0.41	D
BayesDel_noAF	Pathogenic	0.36
CADD	Pathogenic	29
DANN	Uncertain	0.99
DEOGEN2	Benign	0.34	.;.;T;.;.;.;.;.;T;T
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Pathogenic	0.99	.;D;.;.;.;.;D;D;D;D
M_CAP	Pathogenic	0.67	D
MetaRNN	Pathogenic	0.98	D;D;D;D;D;D;D;D;D;D
MetaSVM	Uncertain	-0.0012	T
MutationAssessor	Benign	2.0	.;.;M;.;.;.;.;.;M;.
PrimateAI	Pathogenic	0.88	D
PROVEAN	Pathogenic	-4.7	D;D;D;D;D;D;D;D;D;.
REVEL	Pathogenic	0.73
Sift	Pathogenic	0.0	D;D;D;D;D;D;D;D;D;.
Sift4G	Pathogenic	0.0010	D;D;D;D;D;D;D;D;D;D
Polyphen		1.0	D;D;D;D;D;D;D;D;D;.
Vest4		0.90
MutPred		0.89		.;.;Gain of relative solvent accessibility (P = 0.1259);.;.;.;.;.;Gain of relative solvent accessibility (P = 0.1259);.;
MVP		0.98
MPC		3.6
ClinPred		1.0	D
GERP RS		5.1
Varity_R		1.0
gMVP		0.99

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

Other links and lift over

dbSNP: rs121434613; hg19: chrX-110437630;