rs150880597

Positions:

chr17-63703711-C-T

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBS1_Supporting

The NM_001003787.4(STRADA):c.1184G>A(p.Arg395His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000514 in 1,614,138 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R395C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00037 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00053 ( 1 hom. )

Consequence

STRADA
NM_001003787.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 2.84

Variant links:

Genes affected

STRADA (HGNC:30172): (STE20 related adaptor alpha) The protein encoded by this gene contains a STE20-like kinase domain, but lacks several residues that are critical for catalytic activity, so it is termed a 'pseudokinase'. The protein forms a heterotrimeric complex with serine/threonine kinase 11 (STK11, also known as LKB1) and the scaffolding protein calcium binding protein 39 (CAB39, also known as MO25). The protein activates STK11 leading to the phosphorylation of both proteins and excluding STK11 from the nucleus. The protein is necessary for STK11-induced G1 cell cycle arrest. A mutation in this gene has been shown to result in polyhydramnios, megalencephaly, and symptomatic epilepsy (PMSE) syndrome. Multiple transcript variants encoding different isoforms have been found for this gene. Additional transcript variants have been described but their full-length nature is not known. [provided by RefSeq, Sep 2009]

STRADA links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.05462402).

BS1

Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.000368 (56/152270) while in subpopulation NFE AF= 0.000691 (47/68016). AF 95% confidence interval is 0.000534. There are 0 homozygotes in gnomad4. There are 16 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
STRADA	NM_001003787.4 linkuse as main transcript	c.1184G>A	p.Arg395His	missense_variant	13/13	ENST00000336174.12

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
STRADA	ENST00000336174.12 linkuse as main transcript	c.1184G>A	p.Arg395His	missense_variant	13/13	1	NM_001003787.4	P1	Q7RTN6-1

Frequencies

GnomAD3 genomes

AF:

0.000368

AC:

AN:

152152

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000965

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000327

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000691

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000358

AC:

AN:

251438

Hom.:

AF XY:

0.000383

AC XY:

AN XY:

135890

show subpopulations

Gnomad AFR exome

AF:

0.000185

Gnomad AMR exome

AF:

0.000492

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:

0.000607

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000529

AC:

774

AN:

1461868

Hom.:

Cov.:

AF XY:

0.000517

AC XY:

376

AN XY:

727238

show subpopulations

Gnomad4 AFR exome

AF:

0.0000597

Gnomad4 AMR exome

AF:

0.000470

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000647

Gnomad4 OTH exome

AF:

0.000497

GnomAD4 genome

AF:

0.000368

AC:

AN:

152270

Hom.:

Cov.:

AF XY:

0.000215

AC XY:

AN XY:

74442

show subpopulations

Gnomad4 AFR

AF:

0.0000962

Gnomad4 AMR

AF:

0.000327

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000691

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000574

Hom.:

Bravo

AF:

0.000374

TwinsUK

AF:

0.00108

AC:

ALSPAC

AF:

0.00130

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000930

AC:

ExAC

AF:

0.000371

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.00109

EpiControl

AF:

0.000711

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Mayo Clinic Laboratories, Mayo Clinic

Jan 10, 2023

BP4 -

Polyhydramnios, megalencephaly, and symptomatic epilepsy

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Invitae

Jan 24, 2024

This sequence change replaces arginine, which is basic and polar, with histidine, which is basic and polar, at codon 395 of the STRADA protein (p.Arg395His). This variant is present in population databases (rs150880597, gnomAD 0.06%). This variant has not been reported in the literature in individuals affected with STRADA-related conditions. ClinVar contains an entry for this variant (Variation ID: 536755). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant¬†is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.080

BayesDel_addAF

Benign

-0.31

BayesDel_noAF

Benign

-0.25

CADD

Benign

DANN

Benign

0.91

Eigen

Benign

-0.15

Eigen_PC

Benign

0.026

FATHMM_MKL

Uncertain

0.84

LIST_S2

Uncertain

0.95

D;.;D;D;.;D;.;D

M_CAP

Benign

0.030

MetaRNN

Benign

0.055

T;T;T;T;T;T;T;T

MetaSVM

Benign

-0.77

MutationTaster

Benign

0.96

D;D;D;D;D;D

PrimateAI

Uncertain

0.62

Polyphen

0.014, 0.0080

.;B;B;B;.;.;.;.

Vest4

0.11, 0.11

MVP

0.86

MPC

0.54

ClinPred

0.040

GERP RS

5.0

Varity_R

0.18

gMVP

0.29

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

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over