rs530979771

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_007078.3(LDB3):c.656G>A(p.Arg219Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000425 in 1,600,068 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

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

Exomes 𝑓: 0.000044 ( 0 hom. )

Consequence

LDB3
NM_007078.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:6

Conservation

PhyloP100: 2.37

Publications

2 publications found

Variant links:

Genes affected

LDB3 (HGNC:15710): (LIM domain binding 3) This gene encodes a PDZ domain-containing protein. PDZ motifs are modular protein-protein interaction domains consisting of 80-120 amino acid residues. PDZ domain-containing proteins interact with each other in cytoskeletal assembly or with other proteins involved in targeting and clustering of membrane proteins. The protein encoded by this gene interacts with alpha-actinin-2 through its N-terminal PDZ domain and with protein kinase C via its C-terminal LIM domains. The LIM domain is a cysteine-rich motif defined by 50-60 amino acids containing two zinc-binding modules. This protein also interacts with all three members of the myozenin family. Mutations in this gene have been associated with myofibrillar myopathy and dilated cardiomyopathy. Alternatively spliced transcript variants encoding different isoforms have been identified; all isoforms have N-terminal PDZ domains while only longer isoforms (1, 2 and 5) have C-terminal LIM domains. [provided by RefSeq, Jan 2010]

LDB3 Gene-Disease associations (from GenCC):

dilated cardiomyopathy
Inheritance: AD, AR Classification: STRONG, LIMITED Submitted by: ClinGen
myofibrillar myopathy 4
Inheritance: AD Classification: STRONG, MODERATE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P
familial isolated dilated cardiomyopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
familial dilated cardiomyopathy
Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics
arrhythmogenic right ventricular cardiomyopathy
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

LDB3 links:

ENSG00000289258 (HGNC:):

ENSG00000289258 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.087856084).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_007078.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
LDB3	NM_007078.3	MANE Select	c.656G>A	p.Arg219Gln	missense	Exon 5 of 14	NP_009009.1	O75112-1
LDB3	NM_001368067.1	MANE Plus Clinical	c.321+1613G>A		intron	N/A	NP_001354996.1	A0A0S2Z530
LDB3	NM_001171610.2		c.656G>A	p.Arg219Gln	missense	Exon 5 of 14	NP_001165081.1	O75112-7

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
LDB3	ENST00000361373.9	TSL:1 MANE Select	c.656G>A	p.Arg219Gln	missense	Exon 5 of 14	ENSP00000355296.3	O75112-1
ENSG00000289258	ENST00000443292.2	TSL:1	c.2165G>A	p.Arg722Gln	missense	Exon 15 of 18	ENSP00000393132.2	C9JWU6
LDB3	ENST00000372056.8	TSL:1	c.656G>A	p.Arg219Gln	missense	Exon 4 of 8	ENSP00000361126.4	O75112-4

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152210

Hom.:

Cov.:

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:

0.0000441

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.0000414

AC:

AN:

241616

AF XY:

0.0000383

show subpopulations

Gnomad AFR exome

AF:

0.000125

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000474

Gnomad NFE exome

AF:

0.0000636

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000442

AC:

AN:

1447740

Hom.:

Cov.:

AF XY:

0.0000334

AC XY:

AN XY:

718230

show subpopulations

African (AFR)

AF:

0.0000303

AC:

AN:

33010

American (AMR)

AF:

0.00

AC:

AN:

43268

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25482

East Asian (EAS)

AF:

0.0000253

AC:

AN:

39458

South Asian (SAS)

AF:

0.0000119

AC:

AN:

84326

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52516

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5718

European-Non Finnish (NFE)

AF:

0.0000543

AC:

AN:

1104294

Other (OTH)

AF:

0.0000168

AC:

AN:

59668

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.470

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.0000263

AC:

AN:

152328

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74492

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41582

American (AMR)

AF:

0.00

AC:

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5172

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68032

Other (OTH)

AF:

0.000473

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.588

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000658

Hom.:

Bravo

AF:

0.0000453

ExAC

AF:

0.0000494

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (2)

not specified (2)

Cardiovascular phenotype (1)

Myofibrillar myopathy 4 (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.077

BayesDel_addAF

Benign

-0.28

BayesDel_noAF

Benign

-0.48

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.17

Eigen

Benign

-0.11

Eigen_PC

Benign

0.0063

FATHMM_MKL

Uncertain

0.82

LIST_S2

Uncertain

0.95

M_CAP

Benign

0.027

MetaRNN

Benign

0.088

MetaSVM

Benign

-0.84

MutationAssessor

Benign

1.4

PhyloP100

2.4

PrimateAI

Benign

0.29

PROVEAN

Benign

-1.1

REVEL

Benign

0.081

Sift

Benign

0.27

Sift4G

Benign

0.14

Polyphen

0.059

Vest4

0.27

MVP

0.67

MPC

0.55

ClinPred

0.47

GERP RS

4.8

Varity_R

0.060

gMVP

0.60

Mutation Taster

=88/12

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over