chr7-128847832-C-T

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PP2PP3BP6BS2

The NM_001458.5(FLNC):​c.4424C>T​(p.Ala1475Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000186 in 1,613,520 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 34)
Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

FLNC
NM_001458.5 missense

Scores

10
7
2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 7.87
Variant links:
Genes affected
FLNC (HGNC:3756): (filamin C) This gene encodes one of three related filamin genes, specifically gamma filamin. These filamin proteins crosslink actin filaments into orthogonal networks in cortical cytoplasm and participate in the anchoring of membrane proteins for the actin cytoskeleton. Three functional domains exist in filamin: an N-terminal filamentous actin-binding domain, a C-terminal self-association domain, and a membrane glycoprotein-binding domain. Mutations in this gene are a cause of cardiopathy. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), FLNC. . Gene score misZ 2.789 (greater than the threshold 3.09). Trascript score misZ 5.9457 (greater than threshold 3.09). GenCC has associacion of gene with dilated cardiomyopathy, heart conduction disease, familial isolated restrictive cardiomyopathy, hypertrophic cardiomyopathy 26, distal myopathy with posterior leg and anterior hand involvement, myofibrillar myopathy 5.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.826
BP6
Variant 7-128847832-C-T is Benign according to our data. Variant chr7-128847832-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 472066.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=2}.
BS2
High AC in GnomAdExome4 at 26 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FLNCNM_001458.5 linkuse as main transcriptc.4424C>T p.Ala1475Val missense_variant 25/48 ENST00000325888.13 NP_001449.3
FLNCNM_001127487.2 linkuse as main transcriptc.4424C>T p.Ala1475Val missense_variant 25/47 NP_001120959.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FLNCENST00000325888.13 linkuse as main transcriptc.4424C>T p.Ala1475Val missense_variant 25/481 NM_001458.5 ENSP00000327145 P3Q14315-1
FLNCENST00000346177.6 linkuse as main transcriptc.4424C>T p.Ala1475Val missense_variant 25/471 ENSP00000344002 A1Q14315-2

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152192
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000724
AC:
18
AN:
248694
Hom.:
0
AF XY:
0.0000593
AC XY:
8
AN XY:
135008
show subpopulations
Gnomad AFR exome
AF:
0.0000648
Gnomad AMR exome
AF:
0.000232
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.0000940
Gnomad NFE exome
AF:
0.00000886
Gnomad OTH exome
AF:
0.000826
GnomAD4 exome
AF:
0.0000178
AC:
26
AN:
1461212
Hom.:
0
Cov.:
38
AF XY:
0.0000179
AC XY:
13
AN XY:
726910
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000291
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000376
Gnomad4 NFE exome
AF:
0.00000810
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152308
Hom.:
0
Cov.:
34
AF XY:
0.0000269
AC XY:
2
AN XY:
74476
show subpopulations
Gnomad4 AFR
AF:
0.0000481
Gnomad4 AMR
AF:
0.0000653
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000264
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000122
AC:
1
ExAC
AF:
0.0000993
AC:
12

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingMayo Clinic Laboratories, Mayo ClinicDec 21, 2022PP3 -
Cardiovascular phenotype Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsNov 29, 2023The p.A1475V variant (also known as c.4424C>T), located in coding exon 25 of the FLNC gene, results from a C to T substitution at nucleotide position 4424. The alanine at codon 1475 is replaced by valine, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
Myofibrillar myopathy 5;C3279722:Distal myopathy with posterior leg and anterior hand involvement;C4310749:Hypertrophic cardiomyopathy 26;CN239310:Dilated Cardiomyopathy, Dominant Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 27, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.49
BayesDel_addAF
Uncertain
0.055
T
BayesDel_noAF
Pathogenic
0.14
CADD
Uncertain
26
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.74
D;.
Eigen
Pathogenic
0.96
Eigen_PC
Pathogenic
0.87
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Pathogenic
0.99
D;D
M_CAP
Pathogenic
0.42
D
MetaRNN
Pathogenic
0.83
D;D
MetaSVM
Uncertain
0.56
D
MutationAssessor
Pathogenic
3.2
M;M
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.65
T
PROVEAN
Uncertain
-3.6
D;D
REVEL
Pathogenic
0.84
Sift
Uncertain
0.0010
D;D
Sift4G
Benign
0.073
T;T
Polyphen
1.0
D;D
Vest4
0.82
MVP
0.75
MPC
0.92
ClinPred
0.90
D
GERP RS
5.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.63
gMVP
0.65

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs369305865; hg19: chr7-128487886; COSMIC: COSV57955704; COSMIC: COSV57955704; API