chr2-166272533-C-T

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 0P and 3B. BP4_ModerateBP6

The NM_001365536.1(SCN9A):c.3217G>A(p.Asp1073Asn) variant causes a missense change. The variant allele was found at a frequency of 0.0000279 in 1,613,344 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000079 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000023 ( 0 hom. )

Consequence

SCN9A
NM_001365536.1 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: 4.75

Publications

1 publications found

Variant links:

Genes affected

SCN9A (HGNC:10597): (sodium voltage-gated channel alpha subunit 9) This gene encodes a voltage-gated sodium channel which plays a significant role in nociception signaling. Mutations in this gene have been associated with primary erythermalgia, channelopathy-associated insensitivity to pain, and paroxysmal extreme pain disorder. [provided by RefSeq, Aug 2009]

SCN9A links:

SCN1A-AS1 (HGNC:54069): (SCN1A and SCN9A antisense RNA 1)

SCN1A-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.2063168).

BP6

Variant 2-166272533-C-T is Benign according to our data. Variant chr2-166272533-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 538445.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SCN9A	NM_001365536.1 link	c.3217G>A	p.Asp1073Asn	missense_variant	Exon 17 of 27	ENST00000642356.2	NP_001352465.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SCN9A	ENST00000642356.2 link	c.3217G>A	p.Asp1073Asn	missense_variant	Exon 17 of 27		NM_001365536.1	ENSP00000495601.1	Q15858-1
SCN9A	ENST00000303354.11 link	c.3217G>A	p.Asp1073Asn	missense_variant	Exon 17 of 27	5		ENSP00000304748.7	Q15858-1
SCN9A	ENST00000409672.5 link	c.3184G>A	p.Asp1062Asn	missense_variant	Exon 17 of 27	5		ENSP00000386306.1	Q15858-3
SCN9A	ENST00000645907.1 link	c.3184G>A	p.Asp1062Asn	missense_variant	Exon 17 of 27			ENSP00000495983.1	Q15858-4

Frequencies

GnomAD3 genomes

AF:

0.0000789

AC:

AN:

152076

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:

0.000176

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000523

AC:

AN:

248680

AF XY:

0.0000667

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000465

Gnomad NFE exome

AF:

0.000106

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000226

AC:

AN:

1461268

Hom.:

Cov.:

AF XY:

0.0000220

AC XY:

AN XY:

726910

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33462

American (AMR)

AF:

0.00

AC:

AN:

44658

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26120

East Asian (EAS)

AF:

0.00

AC:

AN:

39658

South Asian (SAS)

AF:

0.00

AC:

AN:

86236

European-Finnish (FIN)

AF:

0.0000375

AC:

AN:

53364

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.0000279

AC:

AN:

1111662

Other (OTH)

AF:

0.00

AC:

AN:

60342

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.489

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:

0.0000789

AC:

AN:

152076

Hom.:

Cov.:

AF XY:

0.0000808

AC XY:

AN XY:

74252

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41430

American (AMR)

AF:

0.00

AC:

AN:

15250

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5144

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10604

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000176

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.542

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:

0.000648

Hom.:

Bravo

AF:

0.0000189

ExAC

AF:

0.0000579

AC:

EpiCase

AF:

0.0000546

EpiControl

AF:

0.00

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:2

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Jun 15, 2020

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The p.D1062N variant (also known as c.3184G>A), located in coding exon 16 of the SCN9A gene, results from a G to A substitution at nucleotide position 3184. The aspartic acid at codon 1062 is replaced by asparagine, an amino acid with highly similar properties. This amino acid position is poorly conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -

not specified

Benign:1

Feb 16, 2025

Laboratory of Genetics, Children's Clinical University Hospital Latvia

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Generalized epilepsy with febrile seizures plus, type 7;C2752089:Neuropathy, hereditary sensory and autonomic, type 2A

Benign:1

Dec 28, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.079

BayesDel_addAF

Benign

-0.36

BayesDel_noAF

Benign

-0.38

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.26

.;T;.;.;T;.

Eigen

Benign

-0.079

Eigen_PC

Benign

0.12

FATHMM_MKL

Uncertain

0.93

LIST_S2

Benign

0.56

T;.;T;T;T;T

M_CAP

Benign

0.021

MetaRNN

Benign

0.21

T;T;T;T;T;T

MetaSVM

Benign

-0.64

MutationAssessor

Benign

0.67

.;N;.;.;N;N

PhyloP100

4.8

PrimateAI

Benign

0.38

PROVEAN

Benign

-1.7

N;.;.;.;.;N

REVEL

Benign

0.27

Sift

Benign

0.041

D;.;.;.;.;D

Sift4G

Benign

0.39

T;T;.;.;.;T

Vest4

0.31

MVP

0.53

MPC

0.11

ClinPred

0.12

GERP RS

5.4

Varity_R

0.10

gMVP

0.18

Mutation Taster

=83/17

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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