rs753459417

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP3

The NM_198271.5(LMOD3):c.450_455delAGAAGA(p.Glu150_Glu151del) variant causes a disruptive inframe deletion change. The variant allele was found at a frequency of 0.0000295 in 1,456,562 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. E150E) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000027 ( 0 hom. )

Consequence

LMOD3
NM_198271.5 disruptive_inframe_deletion

Scores

Not classified

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.69

Publications

0 publications found

Variant links:

Genes affected

LMOD3 (HGNC:6649): (leiomodin 3) The protein encoded by this gene is a member of the leiomodin family of proteins. This protein contains three actin-binding domains, a tropomyosin domain, a leucine-rich repeat domain, and a Wiskott-Aldrich syndrome protein homology 2 domain (WH2). Localization of this protein to the pointed ends of thin filaments has been observed, and there is evidence that this protein acts as a catalyst of actin nucleation, and is important to the organization of sarcomeric thin filaments in skeletal muscles. Mutations in this gene have been associated as one cause of Nemaline myopathy, as other genes have also been linked to this disorder. Nemaline myopathy is a disorder characterized by nonprogressive generalized muscle weakness and protein inclusions (nemaline bodies) in skeletal myofibers. Patients with mutations in this gene often present with a severe congenital form of the disorder. [provided by RefSeq, Jan 2015]

LMOD3 Gene-Disease associations (from GenCC):

nemaline myopathy 10
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, G2P
typical nemaline myopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
severe congenital nemaline myopathy
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

LMOD3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -1 ACMG points.

BP3

Nonframeshift variant in repetitive region in NM_198271.5

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LMOD3	NM_198271.5 link	c.450_455delAGAAGA	p.Glu150_Glu151del	disruptive_inframe_deletion	Exon 2 of 3	ENST00000420581.7	NP_938012.2	Q0VAK6-1
LMOD3	NM_001304418.3 link	c.450_455delAGAAGA	p.Glu150_Glu151del	disruptive_inframe_deletion	Exon 3 of 4		NP_001291347.1	Q0VAK6-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
LMOD3	ENST00000420581.7 link	c.450_455delAGAAGA	p.Glu150_Glu151del	disruptive_inframe_deletion	Exon 2 of 3	1	NM_198271.5	ENSP00000414670.3	Q0VAK6-1
LMOD3	ENST00000475434.1 link	c.450_455delAGAAGA	p.Glu150_Glu151del	disruptive_inframe_deletion	Exon 3 of 4	5		ENSP00000418645.1	Q0VAK6-1
LMOD3	ENST00000489031.5 link	c.450_455delAGAAGA	p.Glu150_Glu151del	disruptive_inframe_deletion	Exon 3 of 4	2		ENSP00000417210.1	Q0VAK6-1

Frequencies

GnomAD3 genomes

AF:

0.0000530

AC:

AN:

151066

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000132

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:

0.0000885

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000303

AC:

AN:

164826

AF XY:

0.0000575

show subpopulations

Gnomad AFR exome

AF:

0.000112

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000460

Gnomad OTH exome

AF:

0.000216

GnomAD4 exome

AF:

0.0000268

AC:

AN:

1305378

Hom.:

AF XY:

0.0000339

AC XY:

AN XY:

648622

show subpopulations

African (AFR)

AF:

0.000101

AC:

AN:

29796

American (AMR)

AF:

0.00

AC:

AN:

35796

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24618

East Asian (EAS)

AF:

0.00

AC:

AN:

35704

South Asian (SAS)

AF:

0.0000128

AC:

AN:

78174

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49928

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5500

European-Non Finnish (NFE)

AF:

0.0000303

AC:

AN:

990952

Other (OTH)

AF:

0.0000182

AC:

AN:

54910

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

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:

0.0000529

AC:

AN:

151184

Hom.:

Cov.:

AF XY:

0.0000813

AC XY:

AN XY:

73822

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41192

American (AMR)

AF:

0.000132

AC:

AN:

15180

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3464

East Asian (EAS)

AF:

0.00

AC:

AN:

5132

South Asian (SAS)

AF:

0.00

AC:

AN:

4750

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10374

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.0000885

AC:

AN:

67798

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.481

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.0000727

Hom.:

Bravo

AF:

0.0000491

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Nemaline myopathy 10

Uncertain:1

Jun 25, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant, c.450_455del, results in the deletion of 2 amino acid(s) of the LMOD3 protein (p.Glu150_Glu151del), but otherwise preserves the integrity of the reading frame. This variant is present in population databases (rs753459417, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with LMOD3-related conditions. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

3.7

Mutation Taster

=186/14

polymorphism

(source)

Splicing

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over