rs758848135

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 2P and 13B. PM2BP4_StrongBP6_Very_StrongBP7

The NM_170707.4(LMNA):​c.480C>A​(p.Gly160Gly) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000312 in 1,604,328 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 Likely benign (★★). Synonymous variant affecting the same amino acid position (i.e. G160G) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

LMNA
NM_170707.4 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -4.64

Publications

3 publications found
Variant links:
Genes affected
LMNA (HGNC:6636): (lamin A/C) The protein encoded by this gene is part of the nuclear lamina, a two-dimensional matrix of proteins located next to the inner nuclear membrane. The lamin family of proteins make up the matrix and are highly conserved in evolution. During mitosis, the lamina matrix is reversibly disassembled as the lamin proteins are phosphorylated. Lamin proteins are thought to be involved in nuclear stability, chromatin structure and gene expression. Vertebrate lamins consist of two types, A and B. Alternative splicing results in multiple transcript variants. Mutations in this gene lead to several diseases: Emery-Dreifuss muscular dystrophy, familial partial lipodystrophy, limb girdle muscular dystrophy, dilated cardiomyopathy, Charcot-Marie-Tooth disease, and Hutchinson-Gilford progeria syndrome. [provided by RefSeq, May 2022]
LMNA Gene-Disease associations (from GenCC):
  • dilated cardiomyopathy
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • dilated cardiomyopathy 1A
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: G2P, Ambry Genetics, Orphanet
  • familial partial lipodystrophy, Dunnigan type
    Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp, G2P, Labcorp Genetics (formerly Invitae)
  • Hutchinson-Gilford progeria syndrome
    Inheritance: AD, SD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Orphanet, G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • restrictive dermopathy 2
    Inheritance: AR, AD Classification: DEFINITIVE, LIMITED Submitted by: G2P
  • Emery-Dreifuss muscular dystrophy 2, autosomal dominant
    Inheritance: SD, AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P
  • atrioventricular block
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • heart-hand syndrome, Slovenian type
    Inheritance: AD Classification: STRONG, MODERATE, SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics, G2P
  • Charcot-Marie-Tooth disease type 2B1
    Inheritance: AR, AD Classification: STRONG, MODERATE, SUPPORTIVE, LIMITED Submitted by: G2P, Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)
  • Emery-Dreifuss muscular dystrophy 3, autosomal recessive
    Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
  • mandibuloacral dysplasia with type A lipodystrophy
    Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet
  • atrial fibrillation
    Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
  • atypical Werner syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • autosomal dominant Emery-Dreifuss muscular dystrophy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • congenital muscular dystrophy due to LMNA mutation
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • familial isolated dilated cardiomyopathy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • lethal restrictive dermopathy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • LMNA-related cardiocutaneous progeria syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • autosomal recessive Emery-Dreifuss muscular dystrophy
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • dilated cardiomyopathy-hypergonadotropic hypogonadism syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • autosomal semi-dominant severe lipodystrophic laminopathy
    Inheritance: SD Classification: SUPPORTIVE Submitted by: Orphanet
  • arrhythmogenic right ventricular cardiomyopathy
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -11 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.62).
BP6
Variant 1-156130740-C-A is Benign according to our data. Variant chr1-156130740-C-A is described in ClinVar as Likely_benign. ClinVar VariationId is 926602.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-4.64 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
LMNANM_170707.4 linkc.480C>A p.Gly160Gly synonymous_variant Exon 2 of 12 ENST00000368300.9 NP_733821.1 P02545-1A0A384MQX1
LMNANM_005572.4 linkc.480C>A p.Gly160Gly synonymous_variant Exon 2 of 10 ENST00000677389.1 NP_005563.1 P02545-2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
LMNAENST00000368300.9 linkc.480C>A p.Gly160Gly synonymous_variant Exon 2 of 12 1 NM_170707.4 ENSP00000357283.4 P02545-1
LMNAENST00000677389.1 linkc.480C>A p.Gly160Gly synonymous_variant Exon 2 of 10 NM_005572.4 ENSP00000503633.1 P02545-2

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152180
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000207
AC:
3
AN:
1452148
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
721706
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33226
American (AMR)
AF:
0.00
AC:
0
AN:
43250
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25978
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39316
South Asian (SAS)
AF:
0.00
AC:
0
AN:
85062
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52872
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4738
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1107788
Other (OTH)
AF:
0.0000501
AC:
3
AN:
59918
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152180
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74338
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41452
American (AMR)
AF:
0.0000654
AC:
1
AN:
15284
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68008
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.450
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000113

ClinVar

Significance: Likely benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Cardiomyopathy Benign:1
Jun 22, 2019
Color Diagnostics, LLC DBA Color Health
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Charcot-Marie-Tooth disease type 2 Benign:1
Apr 03, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Primary dilated cardiomyopathy Benign:1
Mar 24, 2024
All of Us Research Program, National Institutes of Health
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.62
CADD
Benign
3.7
DANN
Benign
0.72
PhyloP100
-4.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.8
Mutation Taster
=98/2
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: rs758848135; hg19: chr1-156100531; API