rs772854423

Positions:

chr2-151547651-G-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4BP6

The NM_001164507.2(NEB):c.20245C>A(p.Gln6749Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000756 in 1,613,608 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000076 ( 0 hom. )

Consequence

NEB
NM_001164507.2 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:2

Conservation

PhyloP100: 9.60

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:

LOC124906081 (HGNC:):

LOC124906081 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.40162212).

BP6

Variant 2-151547651-G-T is Benign according to our data. Variant chr2-151547651-G-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 533973.We mark this variant Likely_benign, oryginal submissions are: {Uncertain_significance=3, Likely_benign=2}.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
NEB	NM_001164507.2 linkuse as main transcript	c.20245C>A	p.Gln6749Lys	missense_variant	132/182	ENST00000427231.7
NEB	NM_001164508.2 linkuse as main transcript	c.20245C>A	p.Gln6749Lys	missense_variant	132/182	ENST00000397345.8
LOC124906081	XR_007087266.1 linkuse as main transcript			downstream_gene_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
NEB	ENST00000397345.8 linkuse as main transcript	c.20245C>A	p.Gln6749Lys	missense_variant	132/182	5	NM_001164508.2	P5	P20929-2
NEB	ENST00000427231.7 linkuse as main transcript	c.20245C>A	p.Gln6749Lys	missense_variant	132/182	5	NM_001164507.2	A2	P20929-3

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152148

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000483

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:

0.000132

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000362

AC:

AN:

248378

Hom.:

AF XY:

0.0000297

AC XY:

AN XY:

134736

show subpopulations

Gnomad AFR exome

AF:

0.000129

Gnomad AMR exome

AF:

0.00

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:

0.0000534

Gnomad OTH exome

AF:

0.000166

GnomAD4 exome

AF:

0.0000760

AC:

111

AN:

1461460

Hom.:

Cov.:

AF XY:

0.0000633

AC XY:

AN XY:

727018

show subpopulations

Gnomad4 AFR exome

AF:

0.0000597

Gnomad4 AMR exome

AF:

0.0000224

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:

0.0000944

Gnomad4 OTH exome

AF:

0.0000497

GnomAD4 genome

AF:

0.0000723

AC:

AN:

152148

Hom.:

Cov.:

AF XY:

0.0000673

AC XY:

AN XY:

74314

show subpopulations

Gnomad4 AFR

AF:

0.0000483

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000132

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000965

Hom.:

Bravo

AF:

0.0000793

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000519

AC:

ExAC

AF:

0.0000248

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.000119

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:3Benign:2

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:1Benign:1

Likely benign, criteria provided, single submitter	clinical testing	GeneDx	Mar 08, 2018	This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
Uncertain significance, criteria provided, single submitter	clinical testing	Revvity Omics, Revvity	Sep 15, 2022	- -

Nemaline myopathy 2

Uncertain:1Benign:1

Uncertain significance, criteria provided, single submitter	clinical testing	Fulgent Genetics, Fulgent Genetics	Oct 31, 2018	- -
Likely benign, criteria provided, single submitter	clinical testing	Invitae	Nov 10, 2023	- -

Inborn genetic diseases

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Nov 18, 2022

The c.15142C>A (p.Q5048K) alteration is located in exon 105 (coding exon 103) of the NEB gene. This alteration results from a C to A substitution at nucleotide position 15142, causing the glutamine (Q) at amino acid position 5048 to be replaced by a lysine (K). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.47

BayesDel_addAF

Benign

-0.049

BayesDel_noAF

Uncertain

-0.070

CADD

Uncertain

DANN

Uncertain

0.99

DEOGEN2

Benign

0.049

.;.;T;.;T;T;.;.

Eigen

Pathogenic

0.77

Eigen_PC

Pathogenic

0.82

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.93

D;D;D;D;D;D;.;.

M_CAP

Benign

0.023

MetaRNN

Benign

0.40

T;T;T;T;T;T;T;T

MetaSVM

Benign

-0.67

MutationAssessor

Benign

1.4

L;.;.;.;L;.;.;.

MutationTaster

Benign

1.0

D;D;D;D

PrimateAI

Uncertain

0.68

PROVEAN

Benign

-1.8

N;N;.;N;N;N;.;.

REVEL

Benign

0.29

Sift

Uncertain

0.023

D;D;.;D;D;D;.;.

Sift4G

Pathogenic

0.0

D;D;D;D;D;D;D;D

Polyphen

1.0

.;.;.;.;D;.;.;.

Vest4

0.53

MVP

0.67

MPC

0.38

ClinPred

0.25

GERP RS

5.9

Varity_R

0.51

gMVP

0.53

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