chr2-151672447-C-T

Variant names:

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6BP7BS1BS2

The NM_001164508.2(NEB):c.4221G>A(p.Gln1407Gln) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000201 in 1,613,958 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0011 ( 2 hom., cov: 32)

Exomes 𝑓: 0.00011 ( 0 hom. )

Consequence

NEB
NM_001164508.2 synonymous

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:3

Conservation

PhyloP100: -0.0970

Variant links:

Genes affected

NEB (HGNC:7720): (nebulin) This gene encodes nebulin, a giant protein component of the cytoskeletal matrix that coexists with the thick and thin filaments within the sarcomeres of skeletal muscle. In most vertebrates, nebulin accounts for 3 to 4% of the total myofibrillar protein. The encoded protein contains approximately 30-amino acid long modules that can be classified into 7 types and other repeated modules. Protein isoform sizes vary from 600 to 800 kD due to alternative splicing that is tissue-, species-,and developmental stage-specific. Of the 183 exons in the nebulin gene, at least 43 are alternatively spliced, although exons 143 and 144 are not found in the same transcript. Of the several thousand transcript variants predicted for nebulin, the RefSeq Project has decided to create three representative RefSeq records. Mutations in this gene are associated with recessive nemaline myopathy. [provided by RefSeq, Sep 2009]

NEB links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.58).

BP6

Variant 2-151672447-C-T is Benign according to our data. Variant chr2-151672447-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 281362.We mark this variant Likely_benign, oryginal submissions are: {Benign=2, Uncertain_significance=1}.

BP7

Synonymous conserved (PhyloP=-0.097 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00106 (161/152296) while in subpopulation AFR AF= 0.00334 (139/41558). AF 95% confidence interval is 0.00289. There are 2 homozygotes in gnomad4. There are 73 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NEB	NM_001164507.2 link	c.4221G>A	p.Gln1407Gln	synonymous_variant	Exon 37 of 182	ENST00000427231.7	NP_001157979.2
NEB	NM_001164508.2 link	c.4221G>A	p.Gln1407Gln	synonymous_variant	Exon 37 of 182	ENST00000397345.8	NP_001157980.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
NEB	ENST00000397345.8 link	c.4221G>A	p.Gln1407Gln	synonymous_variant	Exon 37 of 182	5	NM_001164508.2	ENSP00000380505.3	P20929-2
NEB	ENST00000427231.7 link	c.4221G>A	p.Gln1407Gln	synonymous_variant	Exon 37 of 182	5	NM_001164507.2	ENSP00000416578.2	P20929-3
NEB	ENST00000409198.5 link	c.4221G>A	p.Gln1407Gln	synonymous_variant	Exon 37 of 150	5		ENSP00000386259.1	P20929-4

Frequencies

GnomAD3 genomes

AF:

0.00106

AC:

161

AN:

152178

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00335

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000981

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:

0.0000294

Gnomad OTH

AF:

0.00239

GnomAD3 exomes

AF:

0.000241

AC:

AN:

249172

Hom.:

AF XY:

0.000178

AC XY:

AN XY:

135160

show subpopulations

Gnomad AFR exome

AF:

0.00329

Gnomad AMR exome

AF:

0.000232

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000885

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000112

AC:

163

AN:

1461662

Hom.:

Cov.:

AF XY:

0.0000963

AC XY:

AN XY:

727118

show subpopulations

Gnomad4 AFR exome

AF:

0.00281

Gnomad4 AMR exome

AF:

0.000268

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000306

Gnomad4 OTH exome

AF:

0.000381

GnomAD4 genome

AF:

0.00106

AC:

161

AN:

152296

Hom.:

Cov.:

AF XY:

0.000981

AC XY:

AN XY:

74446

show subpopulations

Gnomad4 AFR

AF:

0.00334

Gnomad4 AMR

AF:

0.000980

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00237

Alfa

AF:

0.000541

Hom.:

Bravo

AF:

0.00113

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.00

EpiControl

AF:

0.000119

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:3

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Nemaline myopathy 2

Benign:2

Dec 15, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Jun 04, 2020

Natera, Inc.

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

- -

not provided

Uncertain:1

Jun 10, 2015

Eurofins Ntd Llc (ga)

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

not specified

Benign:1

Oct 17, 2024

Athena Diagnostics

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

-0.58

CADD

Benign

1.8

DANN

Benign

0.31

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over