NM_004924.6:c.59A>G

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 3P and 8B. PM1PP2BP4_ModerateBP6_ModerateBS2

The NM_004924.6(ACTN4):​c.59A>G​(p.Asn20Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000232 in 1,554,968 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000024 ( 0 hom. )

Consequence

ACTN4
NM_004924.6 missense

Scores

2
1
15

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.991
Variant links:
Genes affected
ACTN4 (HGNC:166): (actinin alpha 4) Alpha actinins belong to the spectrin gene superfamily which represents a diverse group of cytoskeletal proteins, including the alpha and beta spectrins and dystrophins. Alpha actinin is an actin-binding protein with multiple roles in different cell types. In nonmuscle cells, the cytoskeletal isoform is found along microfilament bundles and adherens-type junctions, where it is involved in binding actin to the membrane. In contrast, skeletal, cardiac, and smooth muscle isoforms are localized to the Z-disc and analogous dense bodies, where they help anchor the myofibrillar actin filaments. This gene encodes a nonmuscle, alpha actinin isoform which is concentrated in the cytoplasm, and thought to be involved in metastatic processes. Mutations in this gene have been associated with focal and segmental glomerulosclerosis. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PM1
In a region_of_interest Actin-binding (size 268) in uniprot entity ACTN4_HUMAN there are 16 pathogenic changes around while only 5 benign (76%) in NM_004924.6
PP2
Missense variant in the ACTN4 gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 13 curated pathogenic missense variants (we use a threshold of 10). The gene has 14 curated benign missense variants. Gene score misZ: 4.1552 (above the threshold of 3.09). Trascript score misZ: 5.6825 (above the threshold of 3.09). GenCC associations: The gene is linked to familial idiopathic steroid-resistant nephrotic syndrome, focal segmental glomerulosclerosis 1.
BP4
Computational evidence support a benign effect (MetaRNN=0.13429359).
BP6
Variant 19-38647804-A-G is Benign according to our data. Variant chr19-38647804-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 3484733.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAdExome4 at 33 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ACTN4NM_004924.6 linkc.59A>G p.Asn20Ser missense_variant Exon 1 of 21 ENST00000252699.7 NP_004915.2 O43707-1A0A0S2Z3G9

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ACTN4ENST00000252699.7 linkc.59A>G p.Asn20Ser missense_variant Exon 1 of 21 1 NM_004924.6 ENSP00000252699.2 O43707-1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152072
Hom.:
0
Cov.:
32
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:
0.0000294
Gnomad OTH
AF:
0.000479
GnomAD3 exomes
AF:
0.0000184
AC:
3
AN:
162838
Hom.:
0
AF XY:
0.0000225
AC XY:
2
AN XY:
88958
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:
0.0000442
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000235
AC:
33
AN:
1402896
Hom.:
0
Cov.:
31
AF XY:
0.0000231
AC XY:
16
AN XY:
694084
show subpopulations
Gnomad4 AFR exome
AF:
0.0000330
Gnomad4 AMR exome
AF:
0.0000539
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000205
Gnomad4 NFE exome
AF:
0.0000258
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152072
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74288
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:
0.0000294
Gnomad4 OTH
AF:
0.000479
Alfa
AF:
0.0000283
Hom.:
0
Bravo
AF:
0.0000416
ExAC
AF:
0.0000171
AC:
2

ClinVar

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

Submissions by phenotype

Inborn genetic diseases Benign:1
Sep 10, 2024
Ambry Genetics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.057
BayesDel_addAF
Benign
-0.10
T
BayesDel_noAF
Benign
-0.38
CADD
Benign
22
DANN
Benign
0.91
DEOGEN2
Benign
0.33
T;.;T
Eigen
Benign
-0.81
Eigen_PC
Benign
-0.60
FATHMM_MKL
Uncertain
0.89
D
M_CAP
Pathogenic
0.76
D
MetaRNN
Benign
0.13
T;T;T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
0.0
N;N;.
PrimateAI
Pathogenic
0.82
D
PROVEAN
Benign
-0.29
N;N;N
REVEL
Benign
0.066
Sift
Benign
0.69
T;D;D
Sift4G
Benign
0.60
T;T;T
Polyphen
0.0
B;.;.
Vest4
0.14
MutPred
0.19
Gain of glycosylation at N20 (P = 7e-04);Gain of glycosylation at N20 (P = 7e-04);Gain of glycosylation at N20 (P = 7e-04);
MVP
0.61
MPC
1.0
ClinPred
0.040
T
GERP RS
2.6
RBP_binding_hub_radar
1.1
RBP_regulation_power_radar
2.2
Varity_R
0.080
gMVP
0.22

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.

Other links and lift over

dbSNP: rs541285079; hg19: chr19-39138444; API