rs1557178202

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 2P and 3B. PM2BP4BP6_Moderate

The NM_001110556.2(FLNA):​c.2584A>G​(p.Ile862Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000165 in 1,209,113 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.0000090 ( 0 hom., 0 hem., cov: 23)
Exomes 𝑓: 9.1e-7 ( 0 hom. 0 hem. )

Consequence

FLNA
NM_001110556.2 missense

Scores

7
10

Clinical Significance

Likely benign criteria provided, single submitter U:1B:1

Conservation

PhyloP100: 0.589
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.31441897).
BP6
Variant X-154362314-T-C is Benign according to our data. Variant chrX-154362314-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 533582.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
FLNANM_001110556.2 linkc.2584A>G p.Ile862Val missense_variant Exon 18 of 48 ENST00000369850.10 NP_001104026.1 P21333-1Q60FE5Q6NXF2
FLNANM_001456.4 linkc.2584A>G p.Ile862Val missense_variant Exon 18 of 47 NP_001447.2 P21333-2Q60FE5Q6NXF2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
FLNAENST00000369850.10 linkc.2584A>G p.Ile862Val missense_variant Exon 18 of 48 1 NM_001110556.2 ENSP00000358866.3 P21333-1

Frequencies

GnomAD3 genomes
AF:
0.00000895
AC:
1
AN:
111708
Hom.:
0
Cov.:
23
AF XY:
0.00
AC XY:
0
AN XY:
33912
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000942
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000553
AC:
1
AN:
180951
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
67303
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000365
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
9.11e-7
AC:
1
AN:
1097405
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
363073
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000895
AC:
1
AN:
111708
Hom.:
0
Cov.:
23
AF XY:
0.00
AC XY:
0
AN XY:
33912
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000942
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00

ClinVar

Significance: Likely benign
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Heterotopia, periventricular, X-linked dominant Uncertain:1
Jun 22, 2021
Clinical Genomics Laboratory, Stanford Medicine
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: clinical testing

The p.Ile862Val variant in the FLNA gene has not been previously reported in association with disease. The p.Ile862Val variant has been identified in 1/27,369 Latino chromosomes by the Genome Aggregation Database (http://gnomad.broadinstitute.org/). While this variant was present in one individual in gnomAD, this individual is female, and this variant was not observed in any males. Given the possibility of milder phenotypes as discussed above, criteria for low frequency in the general population was applied. The FLNA gene has fewer missense variants in the general population than expected. A low rate of missense variation may suggest that this gene is intolerant to missense variation. These data were assessed using the ACMG/AMP variant interpretation guidelines. In summary, the significance of the p.Ile862Val variant is uncertain. Additional information is needed to resolve the significance of this variant. [ACMG evidence codes used: PM2; PP2] -

Melnick-Needles syndrome;C0265293:Frontometaphyseal dysplasia;C1844696:Oto-palato-digital syndrome, type II;C1848213:Heterotopia, periventricular, X-linked dominant Benign:1
Nov 27, 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
0.14
BayesDel_addAF
Benign
-0.24
T
BayesDel_noAF
Benign
-0.46
CADD
Benign
23
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.47
T;.;.;.;.
FATHMM_MKL
Benign
0.56
D
LIST_S2
Uncertain
0.90
D;D;.;D;D
M_CAP
Uncertain
0.12
D
MetaRNN
Benign
0.31
T;T;T;T;T
MetaSVM
Uncertain
-0.012
T
MutationAssessor
Benign
1.8
L;.;L;L;.
PrimateAI
Benign
0.43
T
PROVEAN
Benign
-0.68
N;.;N;N;.
REVEL
Uncertain
0.33
Sift
Uncertain
0.0050
D;.;D;D;.
Sift4G
Benign
0.20
T;T;T;T;T
Polyphen
0.0070
B;.;B;B;.
Vest4
0.17
MutPred
0.66
Gain of ubiquitination at K865 (P = 0.0605);.;Gain of ubiquitination at K865 (P = 0.0605);Gain of ubiquitination at K865 (P = 0.0605);.;
MVP
0.91
MPC
0.44
ClinPred
0.42
T
GERP RS
4.9
RBP_binding_hub_radar
0.92
RBP_regulation_power_radar
2.7
Varity_R
0.23
gMVP
0.36

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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.

Other links and lift over

dbSNP: rs1557178202; hg19: chrX-153590682; API