NM_001110556.2:c.19C>G

Variant names:

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM1BP4BP6BS2

The NM_001110556.2(FLNA):c.19C>G(p.Arg7Gly) variant causes a missense change. The variant allele was found at a frequency of 0.0000183 in 1,200,196 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 6 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000018 ( 0 hom., 0 hem., cov: 25)

Exomes 𝑓: 0.000018 ( 0 hom. 6 hem. )

Consequence

FLNA
NM_001110556.2 missense

Scores

Clinical Significance

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

Conservation

PhyloP100: 4.82

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 Likely_benign. Variant got -4 ACMG points.

PM1

In a region_of_interest Actin-binding (size 272) in uniprot entity FLNA_HUMAN there are 7 pathogenic changes around while only 0 benign (100%) in NM_001110556.2

BP4

Computational evidence support a benign effect (MetaRNN=0.32401413).

BP6

Variant X-154371227-G-C is Benign according to our data. Variant chrX-154371227-G-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 1004242.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1}.

BS2

High Hemizygotes in GnomAdExome4 at 6 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FLNA	NM_001110556.2 link	c.19C>G	p.Arg7Gly	missense_variant	Exon 2 of 48	ENST00000369850.10	NP_001104026.1	P21333-1Q60FE5Q6NXF2
FLNA	NM_001456.4 link	c.19C>G	p.Arg7Gly	missense_variant	Exon 2 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.19C>G	p.Arg7Gly	missense_variant	Exon 2 of 48	1	NM_001110556.2	ENSP00000358866.3		P21333-1

Frequencies

GnomAD3 genomes

AF:

0.0000177

AC:

AN:

113081

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

35225

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.0000376

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000133

AC:

AN:

149986

Hom.:

AF XY:

0.0000201

AC XY:

AN XY:

49834

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

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:

0.0000315

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000184

AC:

AN:

1087115

Hom.:

Cov.:

AF XY:

0.0000168

AC XY:

AN XY:

356381

show subpopulations

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:

0.0000227

Gnomad4 OTH exome

AF:

0.0000219

GnomAD4 genome

AF:

0.0000177

AC:

AN:

113081

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

35225

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000376

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000756

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

Feb 02, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The p.R7G variant (also known as c.19C>G), located in coding exon 1 of the FLNA gene, results from a C to G substitution at nucleotide position 19. The arginine at codon 7 is replaced by glycine, an amino acid with dissimilar properties. Based on data from gnomAD, the G allele has an overall frequency of <0.01% (3/171906) total alleles studied, with 1 hemizygote(s) observed. The highest observed frequency was <0.01% (3/74203) of European (non-Finnish) 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

Nov 24, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.042

BayesDel_noAF

Benign

-0.20

CADD

Uncertain

DANN

Benign

0.97

DEOGEN2

Benign

0.35

T;.;.

FATHMM_MKL

Uncertain

0.95

LIST_S2

Uncertain

0.93

D;.;D

M_CAP

Pathogenic

0.98

MetaRNN

Benign

0.32

T;T;T

MetaSVM

Benign

-0.69

MutationAssessor

Benign

0.0

N;N;N

PrimateAI

Pathogenic

0.85

PROVEAN

Benign

-0.72

N;N;N

REVEL

Uncertain

0.38

Sift

Benign

0.042

D;D;D

Sift4G

Uncertain

0.025

D;D;D

Polyphen

0.10

B;B;B

Vest4

0.24

MutPred

0.26

Loss of MoRF binding (P = 2e-04);Loss of MoRF binding (P = 2e-04);Loss of MoRF binding (P = 2e-04);

MVP

0.93

MPC

1.8

ClinPred

0.18

GERP RS

3.7

Varity_R

0.23

gMVP

0.85

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