Genetic Variant SCN9A:p.Ser1983Arg (chr2-166198690-G-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001365536.1(SCN9A):c.5949C>A(p.Ser1983Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000104 in 1,441,354 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S1983I) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000010 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

SCN9A
NM_001365536.1 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.21

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:

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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=0.089889765).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SCN9A	NM_001365536.1 link	c.5949C>A	p.Ser1983Arg	missense_variant	Exon 27 of 27	ENST00000642356.2	NP_001352465.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SCN9A	ENST00000642356.2 link	c.5949C>A	p.Ser1983Arg	missense_variant	Exon 27 of 27		NM_001365536.1	ENSP00000495601.1	Q15858-1
SCN9A	ENST00000303354.11 link	c.5949C>A	p.Ser1983Arg	missense_variant	Exon 27 of 27	5		ENSP00000304748.7	Q15858-1
SCN9A	ENST00000409672.5 link	c.5916C>A	p.Ser1972Arg	missense_variant	Exon 27 of 27	5		ENSP00000386306.1	Q15858-3
SCN9A	ENST00000645907.1 link	c.5916C>A	p.Ser1972Arg	missense_variant	Exon 27 of 27			ENSP00000495983.1	Q15858-4

Frequencies

GnomAD3 genomes

AF:

0.00

AC:

AN:

151988

Hom.:

Cov.:

FAILED QC

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000477

AC:

AN:

230498

Hom.:

AF XY:

0.0000562

AC XY:

AN XY:

124504

show subpopulations

Gnomad AFR exome

AF:

0.0000670

Gnomad AMR exome

AF:

0.000194

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000603

Gnomad SAS exome

AF:

0.000114

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000104

AC:

AN:

1441354

Hom.:

Cov.:

AF XY:

0.00000979

AC XY:

AN XY:

715356

show subpopulations

Gnomad4 AFR exome

AF:

0.0000311

Gnomad4 AMR exome

AF:

0.000173

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000491

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000181

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.00000658

AC:

AN:

151988

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74234

show subpopulations

Gnomad4 AFR

AF:

0.00

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:

0.0000147

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000873

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.096

BayesDel_addAF

Benign

-0.21

BayesDel_noAF

Benign

-0.26

CADD

Benign

DANN

Benign

0.75

DEOGEN2

Benign

0.21

.;T;.;.;T;.

Eigen

Benign

-0.48

Eigen_PC

Benign

-0.35

FATHMM_MKL

Benign

0.35

LIST_S2

Benign

0.37

T;.;T;T;T;T

M_CAP

Benign

0.041

MetaRNN

Benign

0.090

T;T;T;T;T;T

MetaSVM

Uncertain

-0.17

MutationAssessor

Benign

0.0

.;N;.;.;N;N

PrimateAI

Benign

0.29

PROVEAN

Benign

-0.63

N;.;.;.;.;N

REVEL

Uncertain

0.31

Sift

Benign

0.16

T;.;.;.;.;T

Sift4G

Benign

0.54

T;T;.;.;.;T

Vest4

0.043

MutPred

0.24

Loss of phosphorylation at S1972 (P = 4e-04);.;Loss of phosphorylation at S1972 (P = 4e-04);.;.;.;

MVP

0.67

MPC

0.13

ClinPred

0.019

GERP RS

4.6

Varity_R

0.19

gMVP

0.16

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

Computational scores

Splicing

Publications

LitVar

Other links and lift over