NM_001110556.2:c.1603G>A

Variant names:

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_ModerateBP6BS2

The NM_001110556.2(FLNA):c.1603G>A(p.Asp535Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000124 in 1,210,373 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 4 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000027 ( 0 hom., 0 hem., cov: 24)

Exomes 𝑓: 0.000011 ( 0 hom. 4 hem. )

Consequence

FLNA
NM_001110556.2 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 3.56

Variant links:

Genes affected

FLNA (HGNC:3754): (filamin A) The protein encoded by this gene is an actin-binding protein that crosslinks actin filaments and links actin filaments to membrane glycoproteins. The encoded protein is involved in remodeling the cytoskeleton to effect changes in cell shape and migration. This protein interacts with integrins, transmembrane receptor complexes, and second messengers. Defects in this gene are a cause of several syndromes, including periventricular nodular heterotopias (PVNH1, PVNH4), otopalatodigital syndromes (OPD1, OPD2), frontometaphyseal dysplasia (FMD), Melnick-Needles syndrome (MNS), and X-linked congenital idiopathic intestinal pseudoobstruction (CIIPX). Two transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Mar 2009]

FLNA links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.15262476).

BP6

Variant X-154365224-C-T is Benign according to our data. Variant chrX-154365224-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 239014.We mark this variant Likely_benign, oryginal submissions are: {Benign=1, Uncertain_significance=1}.

BS2

High Hemizygotes in GnomAdExome4 at 4 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FLNA	NM_001110556.2 link	c.1603G>A	p.Asp535Asn	missense_variant	Exon 11 of 48	ENST00000369850.10	NP_001104026.1	P21333-1Q60FE5Q6NXF2
FLNA	NM_001456.4 link	c.1603G>A	p.Asp535Asn	missense_variant	Exon 11 of 47		NP_001447.2	P21333-2Q60FE5Q6NXF2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FLNA	ENST00000369850.10 link	c.1603G>A	p.Asp535Asn	missense_variant	Exon 11 of 48	1	NM_001110556.2	ENSP00000358866.3		P21333-1

Frequencies

GnomAD3 genomes

AF:

0.0000266

AC:

AN:

112812

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

34964

show subpopulations

Gnomad AFR

AF:

0.0000643

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000358

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000330

AC:

AN:

181645

Hom.:

AF XY:

0.0000148

AC XY:

AN XY:

67645

show subpopulations

Gnomad AFR exome

AF:

0.0000807

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000262

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000109

AC:

AN:

1097507

Hom.:

Cov.:

AF XY:

0.0000110

AC XY:

AN XY:

363071

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000284

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000148

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000119

Gnomad4 OTH exome

AF:

0.0000434

GnomAD4 genome

AF:

0.0000266

AC:

AN:

112866

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

35028

show subpopulations

Gnomad4 AFR

AF:

0.0000642

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000359

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000302

ExAC

AF:

0.0000413

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Familial thoracic aortic aneurysm and aortic dissection

Uncertain:1

Mar 12, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The p.D535N variant (also known as c.1603G>A), located in coding exon 10 of the FLNA gene, results from a G to A substitution at nucleotide position 1603. The aspartic acid at codon 535 is replaced by asparagine, an amino acid with highly similar properties. Based on data from gnomAD, the A allele has an overall frequency of 0.0033% (6/181645) total alleles studied, with 1 hemizygote(s) observed. The highest observed frequency was 0.0262% (5/19067) of South Asian alleles. This amino acid position is well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Based on the available evidence, the clinical significance of this alteration remains unclear. -

Melnick-Needles syndrome;C0265293:Frontometaphyseal dysplasia;C1844696:Oto-palato-digital syndrome, type II;C1848213:Heterotopia, periventricular, X-linked dominant

Benign:1

May 23, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.094

BayesDel_addAF

Benign

-0.21

BayesDel_noAF

Benign

-0.25

CADD

Benign

DANN

Benign

0.94

DEOGEN2

Uncertain

0.74

D;.;.;.;.

FATHMM_MKL

Uncertain

0.80

LIST_S2

Uncertain

0.92

D;D;.;D;D

M_CAP

Benign

0.073

MetaRNN

Benign

0.15

T;T;T;T;T

MetaSVM

Uncertain

0.15

MutationAssessor

Benign

1.3

L;.;L;L;.

PrimateAI

Uncertain

0.57

PROVEAN

Uncertain

-3.4

D;.;D;D;.

REVEL

Uncertain

0.36

Sift

Benign

0.39

T;.;T;T;.

Sift4G

Benign

0.21

T;T;T;T;T

Polyphen

0.044

B;.;B;B;.

Vest4

0.18

MutPred

0.71

Loss of sheet (P = 0.0228);.;Loss of sheet (P = 0.0228);Loss of sheet (P = 0.0228);.;

MVP

0.89

MPC

0.60

ClinPred

0.065

GERP RS

4.2

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.59

gMVP

0.58

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