Genetic Variant LIMS2:c.360-4G>A (chr2-127643076-C-T) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_StrongBP6_Moderate

The NM_001161403.3(LIMS2):c.360-4G>A variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000214 in 1,568,906 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.00035 ( 1 hom., cov: 34)

Exomes 𝑓: 0.00020 ( 1 hom. )

Consequence

LIMS2
NM_001161403.3 splice_region, intron

Scores

Splicing: ADA: 0.00002061

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -2.99

Publications

0 publications found

Variant links:

Genes affected

LIMS2 (HGNC:16084): (LIM zinc finger domain containing 2) This gene encodes a member of a small family of focal adhesion proteins which interacts with ILK (integrin-linked kinase), a protein which effects protein-protein interactions with the extraceullar matrix. The encoded protein has five LIM domains, each domain forming two zinc fingers, which permit interactions which regulate cell shape and migration. A pseudogene of this gene is located on chromosome 4. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2011]

LIMS2 Gene-Disease associations (from GenCC):

autosomal recessive limb-girdle muscular dystrophy type 2W
Inheritance: AR, Unknown Classification: SUPPORTIVE, LIMITED Submitted by: Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae)

LIMS2 links:

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 (BayesDel_noAF=-0.88).

BP6

Variant 2-127643076-C-T is Benign according to our data. Variant chr2-127643076-C-T is described in ClinVar as Benign. ClinVar VariationId is 542256.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LIMS2	NM_001161403.3 link	c.360-4G>A		splice_region_variant, intron_variant	Intron 4 of 9	ENST00000355119.9	NP_001154875.1	Q7Z4I7-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
LIMS2	ENST00000355119.9 link	c.360-4G>A		splice_region_variant, intron_variant	Intron 4 of 9	1	NM_001161403.3	ENSP00000347240.4		Q7Z4I7-1

Frequencies

GnomAD3 genomes

AF:

0.000355

AC:

AN:

152234

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000289

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00262

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00118

AC:

208

AN:

176704

AF XY:

0.000876

show subpopulations

Gnomad AFR exome

AF:

0.000192

Gnomad AMR exome

AF:

0.00748

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000741

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000272

Gnomad OTH exome

AF:

0.000209

GnomAD4 exome

AF:

0.000200

AC:

283

AN:

1416554

Hom.:

Cov.:

AF XY:

0.000168

AC XY:

118

AN XY:

700950

show subpopulations

African (AFR)

AF:

0.000614

AC:

AN:

32582

American (AMR)

AF:

0.00611

AC:

234

AN:

38326

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25348

East Asian (EAS)

AF:

0.0000267

AC:

AN:

37508

South Asian (SAS)

AF:

0.0000248

AC:

AN:

80758

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47584

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5190

European-Non Finnish (NFE)

AF:

0.0000119

AC:

AN:

1090586

Other (OTH)

AF:

0.000222

AC:

AN:

58672

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

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:

0.000348

AC:

AN:

152352

Hom.:

Cov.:

AF XY:

0.000322

AC XY:

AN XY:

74504

show subpopulations

African (AFR)

AF:

0.000289

AC:

AN:

41578

American (AMR)

AF:

0.00255

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.000207

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68022

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.480

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.00

Hom.:

Bravo

AF:

0.000831

Asia WGS

AF:

0.000866

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Autosomal recessive limb-girdle muscular dystrophy type 2W

Benign:1

Jan 06, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance: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

-0.88

CADD

Benign

0.23

(source)

DANN

Benign

0.84

PhyloP100

-3.0

PromoterAI

0.0042

Neutral

(source)

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000021

dbscSNV1_RF

Benign

0.0020

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

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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