Genetic Variant NM_001003787.4:c.535G>C (chr17-63710537-C-G) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001003787.4(STRADA):c.535G>C(p.Val179Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,660 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 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 nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar. Synonymous variant affecting the same amino acid position (i.e. V179V) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

STRADA
NM_001003787.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.98

Publications

0 publications found

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 Gene-Disease associations (from GenCC):

polyhydramnios, megalencephaly, and symptomatic epilepsy
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), Genomics England PanelApp, G2P

STRADA links:

ENSG00000125695 (HGNC:):

ENSG00000125695 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.38500738).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
STRADA	NM_001003787.4 link	c.535G>C	p.Val179Leu	missense_variant	Exon 8 of 13	ENST00000336174.12	NP_001003787.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
STRADA	ENST00000336174.12 link	c.535G>C	p.Val179Leu	missense_variant	Exon 8 of 13	1	NM_001003787.4	ENSP00000336655.6
ENSG00000125695	ENST00000580553.1 link	n.*495+191G>C		intron_variant	Intron 7 of 11	5		ENSP00000464100.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461660

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727136

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5756

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111846

Other (OTH)

AF:

0.00

AC:

AN:

60378

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.35

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.27

CADD

Pathogenic

(source)

DANN

Benign

0.84

DEOGEN2

Benign

0.0

.;.;T;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.

Eigen

Benign

0.069

Eigen_PC

Benign

0.16

FATHMM_MKL

Uncertain

0.87

LIST_S2

Benign

0.85

D;.;D;.;D;.;D;D;D;D;T;.;D;D;T;D;D;D;T;T;D;D;D;D;D;D;D;T;T

M_CAP

Benign

0.053

MetaRNN

Benign

0.39

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

MetaSVM

Benign

-0.37

MutationAssessor

Benign

0.0

.;.;L;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.

PhyloP100

3.0

PrimateAI

Uncertain

0.56

PROVEAN

Benign

0.0

.;.;N;.;.;N;.;.;N;N;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.

REVEL

Benign

0.0

Sift

Pathogenic

0.0

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

Sift4G

Pathogenic

0.0

.;.;T;T;.;T;.;.;T;T;.;.;.;.;.;.;.;T;T;.;.;.;.;.;T;.;.;.;.

Vest4

0.0

ClinPred

0.26

GERP RS

4.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.16

gMVP

0.55

Mutation Taster

=62/38

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over