rs77944059

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBA1

The NM_001365536.1(SCN9A):​c.4399-10_4399-7delGTTT variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.871 in 1,507,680 control chromosomes in the GnomAD database, including 573,967 homozygotes. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.89 ( 60110 hom., cov: 0)
Exomes 𝑓: 0.87 ( 513857 hom. )

Consequence

SCN9A
NM_001365536.1 splice_region, intron

Scores

Not classified

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:15

Conservation

PhyloP100: 0.886
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]
SCN1A-AS1 (HGNC:54069): (SCN1A and SCN9A antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP6
Variant 2-166204470-GAAAC-G is Benign according to our data. Variant chr2-166204470-GAAAC-G is described in ClinVar as [Benign]. Clinvar id is 167657.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-166204470-GAAAC-G is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.929 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SCN9ANM_001365536.1 linkc.4399-10_4399-7delGTTT splice_region_variant, intron_variant Intron 24 of 26 ENST00000642356.2 NP_001352465.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SCN9AENST00000642356.2 linkc.4399-10_4399-7delGTTT splice_region_variant, intron_variant Intron 24 of 26 NM_001365536.1 ENSP00000495601.1 Q15858-1
SCN9AENST00000303354.11 linkc.4399-10_4399-7delGTTT splice_region_variant, intron_variant Intron 24 of 26 5 ENSP00000304748.7 Q15858-1
SCN9AENST00000409672.5 linkc.4366-10_4366-7delGTTT splice_region_variant, intron_variant Intron 24 of 26 5 ENSP00000386306.1 Q15858-3
SCN9AENST00000645907.1 linkc.4366-10_4366-7delGTTT splice_region_variant, intron_variant Intron 24 of 26 ENSP00000495983.1 Q15858-4

Frequencies

GnomAD3 genomes
AF:
0.890
AC:
134739
AN:
151410
Hom.:
60067
Cov.:
0
show subpopulations
Gnomad AFR
AF:
0.937
Gnomad AMI
AF:
0.867
Gnomad AMR
AF:
0.886
Gnomad ASJ
AF:
0.910
Gnomad EAS
AF:
0.937
Gnomad SAS
AF:
0.828
Gnomad FIN
AF:
0.886
Gnomad MID
AF:
0.879
Gnomad NFE
AF:
0.863
Gnomad OTH
AF:
0.883
GnomAD3 exomes
AF:
0.881
AC:
195432
AN:
221844
Hom.:
86221
AF XY:
0.877
AC XY:
105885
AN XY:
120736
show subpopulations
Gnomad AFR exome
AF:
0.938
Gnomad AMR exome
AF:
0.903
Gnomad ASJ exome
AF:
0.911
Gnomad EAS exome
AF:
0.938
Gnomad SAS exome
AF:
0.837
Gnomad FIN exome
AF:
0.892
Gnomad NFE exome
AF:
0.864
Gnomad OTH exome
AF:
0.875
GnomAD4 exome
AF:
0.869
AC:
1178638
AN:
1356152
Hom.:
513857
AF XY:
0.868
AC XY:
586267
AN XY:
675432
show subpopulations
Gnomad4 AFR exome
AF:
0.937
Gnomad4 AMR exome
AF:
0.899
Gnomad4 ASJ exome
AF:
0.907
Gnomad4 EAS exome
AF:
0.940
Gnomad4 SAS exome
AF:
0.836
Gnomad4 FIN exome
AF:
0.894
Gnomad4 NFE exome
AF:
0.863
Gnomad4 OTH exome
AF:
0.878
GnomAD4 genome
AF:
0.890
AC:
134838
AN:
151528
Hom.:
60110
Cov.:
0
AF XY:
0.889
AC XY:
65760
AN XY:
74008
show subpopulations
Gnomad4 AFR
AF:
0.937
Gnomad4 AMR
AF:
0.886
Gnomad4 ASJ
AF:
0.910
Gnomad4 EAS
AF:
0.937
Gnomad4 SAS
AF:
0.826
Gnomad4 FIN
AF:
0.886
Gnomad4 NFE
AF:
0.863
Gnomad4 OTH
AF:
0.883
Alfa
AF:
0.884
Hom.:
10776
Bravo
AF:
0.895
Asia WGS
AF:
0.878
AC:
3027
AN:
3448

ClinVar

Significance: Benign
Submissions summary: Benign:15
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:5
-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Jan 27, 2014
Eurofins Ntd Llc (ga)
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jul 15, 2024
Unidad de Genómica Garrahan, Hospital de Pediatría Garrahan
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant is classified as Benign based on local population frequency. This variant was detected in 89% of patients studied in a panel designed for Epileptic and Developmental Encephalopathy and Progressive Myoclonus Epilepsy. Number of patients: 83. Only high quality variants are reported. -

-
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

-
PreventionGenetics, part of Exact Sciences
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Benign:2
Mar 03, 2015
GeneDx
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant is associated with the following publications: (PMID: 27884173, 17470132, 23129781) -

May 06, 2018
Athena Diagnostics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Paroxysmal extreme pain disorder Benign:2
Jul 15, 2021
Genome-Nilou Lab
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Inherited Erythromelalgia Benign:1
Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Primary erythromelalgia Benign:1
Jul 15, 2021
Genome-Nilou Lab
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Channelopathy-associated congenital insensitivity to pain, autosomal recessive Benign:1
Jul 15, 2021
Genome-Nilou Lab
Significance: 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
Feb 04, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Congenital Indifference to Pain Benign:1
Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Small fiber neuropathy Benign:1
Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.060
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.

Other links and lift over

dbSNP: rs77944059; hg19: chr2-167060980; API