chr1-77926864-G-A

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_144573.4(NEXN):​c.836G>A​(p.Arg279His) variant causes a missense change. The variant allele was found at a frequency of 0.0000155 in 1,613,598 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R279C) has been classified as Benign.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000015 ( 0 hom. )

Consequence

NEXN
NM_144573.4 missense

Scores

2
6
10

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:5

Conservation

PhyloP100: 4.85

Publications

0 publications found
Variant links:
Genes affected
NEXN (HGNC:29557): (nexilin F-actin binding protein) This gene encodes a filamentous actin-binding protein that may function in cell adhesion and migration. Mutations in this gene have been associated with dilated cardiomyopathy, also known as CMD1CC. Alternatively spliced transcript variants have been described.[provided by RefSeq, Feb 2010]
NEXN Gene-Disease associations (from GenCC):
  • dilated cardiomyopathy
    Inheritance: AD Classification: STRONG Submitted by: ClinGen
  • familial isolated dilated cardiomyopathy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • dilated cardiomyopathy 1CC
    Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)
  • hypertrophic cardiomyopathy
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen
  • hypertrophic cardiomyopathy 20
    Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.25315243).
BS2
High AC in GnomAdExome4 at 22 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_144573.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NEXN
NM_144573.4
MANE Select
c.836G>Ap.Arg279His
missense
Exon 8 of 13NP_653174.3Q0ZGT2-1
NEXN
NM_001172309.2
c.644G>Ap.Arg215His
missense
Exon 7 of 12NP_001165780.1Q0ZGT2-4

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NEXN
ENST00000334785.12
TSL:1 MANE Select
c.836G>Ap.Arg279His
missense
Exon 8 of 13ENSP00000333938.7Q0ZGT2-1
NEXN
ENST00000342754.5
TSL:1
c.533G>Ap.Arg178His
missense
Exon 4 of 10ENSP00000343928.5H7BXY5
NEXN
ENST00000401035.7
TSL:1
c.644G>Ap.Arg215His
missense
Exon 7 of 9ENSP00000383814.3E7ETM8

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152054
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000725
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000201
AC:
5
AN:
248420
AF XY:
0.0000222
show subpopulations
Gnomad AFR exome
AF:
0.0000652
Gnomad AMR exome
AF:
0.0000870
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000889
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000151
AC:
22
AN:
1461544
Hom.:
0
Cov.:
32
AF XY:
0.0000138
AC XY:
10
AN XY:
727074
show subpopulations
African (AFR)
AF:
0.0000896
AC:
3
AN:
33470
American (AMR)
AF:
0.000134
AC:
6
AN:
44720
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26126
East Asian (EAS)
AF:
0.0000252
AC:
1
AN:
39662
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86238
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53330
Middle Eastern (MID)
AF:
0.000173
AC:
1
AN:
5764
European-Non Finnish (NFE)
AF:
0.00000809
AC:
9
AN:
1111858
Other (OTH)
AF:
0.0000331
AC:
2
AN:
60376
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
3
4
6
7
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152054
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74266
show subpopulations
African (AFR)
AF:
0.0000725
AC:
3
AN:
41392
American (AMR)
AF:
0.00
AC:
0
AN:
15266
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10576
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68018
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.508
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000340
ExAC
AF:
0.0000166
AC:
2
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
Dilated cardiomyopathy 1CC;C3151267:Hypertrophic cardiomyopathy 20 (2)
-
1
-
Cardiovascular phenotype (1)
-
1
-
not provided (1)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.063
T
BayesDel_noAF
Benign
-0.13
CADD
Pathogenic
28
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.13
T
Eigen
Uncertain
0.41
Eigen_PC
Uncertain
0.45
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Uncertain
0.93
D
M_CAP
Benign
0.043
D
MetaRNN
Benign
0.25
T
MetaSVM
Benign
-0.40
T
MutationAssessor
Pathogenic
3.1
M
PhyloP100
4.9
PrimateAI
Benign
0.32
T
PROVEAN
Benign
-1.3
N
REVEL
Benign
0.17
Sift
Uncertain
0.0020
D
Sift4G
Uncertain
0.0050
D
Polyphen
1.0
D
Vest4
0.58
MutPred
0.21
Loss of MoRF binding (P = 0.0164)
MVP
0.86
MPC
0.32
ClinPred
0.77
D
GERP RS
5.6
Varity_R
0.17
gMVP
0.081
Mutation Taster
=70/30
polymorphism

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

Other links and lift over

dbSNP: rs750349053; hg19: chr1-78392549; API