Genetic Variant NM_013403.3:c.1705C>T (chr19-46723174-G-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_013403.3(STRN4):c.1705C>T(p.Arg569Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000339 in 1,564,044 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000035 ( 0 hom. )

Consequence

STRN4
NM_013403.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.79

Publications

1 publications found

Variant links:

Genes affected

STRN4 (HGNC:15721): (striatin 4) Enables armadillo repeat domain binding activity and protein phosphatase 2A binding activity. Part of FAR/SIN/STRIPAK complex. [provided by Alliance of Genome Resources, Apr 2022]

STRN4 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BS2

High AC in GnomAdExome4 at 50 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
STRN4	NM_013403.3 link	c.1705C>T	p.Arg569Cys	missense_variant	Exon 13 of 18	ENST00000263280.11	NP_037535.2	Q9NRL3-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
STRN4	ENST00000263280.11 link	c.1705C>T	p.Arg569Cys	missense_variant	Exon 13 of 18	1	NM_013403.3	ENSP00000263280.4		Q9NRL3-1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152224

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000192

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000119

AC:

AN:

167392

AF XY:

0.000122

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000417

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000243

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000598

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000354

AC:

AN:

1411702

Hom.:

Cov.:

AF XY:

0.0000473

AC XY:

AN XY:

697890

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31992

American (AMR)

AF:

0.000373

AC:

AN:

37530

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25290

East Asian (EAS)

AF:

0.0000548

AC:

AN:

36468

South Asian (SAS)

AF:

0.0000746

AC:

AN:

80450

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48608

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5702

European-Non Finnish (NFE)

AF:

0.0000221

AC:

AN:

1087156

Other (OTH)

AF:

0.0000684

AC:

AN:

58506

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152342

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74492

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41572

American (AMR)

AF:

0.000131

AC:

AN:

15310

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000193

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68034

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.592

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00231

Hom.:

Bravo

AF:

0.0000604

ExAC

AF:

0.0000858

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 02, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.1726C>T (p.R576C) alteration is located in exon 13 (coding exon 13) of the STRN4 gene. This alteration results from a C to T substitution at nucleotide position 1726, causing the arginine (R) at amino acid position 576 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.20

BayesDel_addAF

Uncertain

0.11

BayesDel_noAF

Pathogenic

0.22

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.25

T;.;T

Eigen

Uncertain

0.49

Eigen_PC

Uncertain

0.40

FATHMM_MKL

Uncertain

0.95

LIST_S2

Pathogenic

0.99

D;D;D

M_CAP

Pathogenic

0.35

MetaRNN

Uncertain

0.52

D;D;D

MetaSVM

Uncertain

-0.071

MutationAssessor

Benign

0.89

L;.;.

PhyloP100

2.8

PrimateAI

Uncertain

0.73

PROVEAN

Pathogenic

-6.6

D;D;D

REVEL

Pathogenic

0.74

Sift

Pathogenic

0.0

D;D;D

Sift4G

Pathogenic

0.0

D;D;D

Polyphen

1.0

D;.;.

Vest4

0.89

MutPred

0.60

.;Loss of disorder (P = 0.049);.;

MVP

0.77

MPC

1.5

ClinPred

0.33

GERP RS

3.9

PromoterAI

-0.025

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.76

gMVP

0.89

Mutation Taster

=69/31

polymorphism

(source)

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

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NM_013403.3:c.1705C>T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over