rs755440336

Variant names:

• chr2-165131366-C-A
• NM_006922.4:c.2443G>T

Your query was ambiguous. Multiple possible variants found:

• chr2-165131366-C-A
• chr2-165131366-C-G
• chr2-165131366-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_006922.4(SCN3A):​c.2443G>T​(p.Asp815Tyr) variant causes a missense change. The variant allele was found at a frequency of 0.00000275 in 1,455,788 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000027 (0 hom.)
• Consequence: SCN3A NM_006922.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 4.95

Genes affected

SCN3A (HGNC:10590): (sodium voltage-gated channel alpha subunit 3) Voltage-gated sodium channels are transmembrane glycoprotein complexes composed of a large alpha subunit with 24 transmembrane domains and one or more regulatory beta subunits. They are responsible for the generation and propagation of action potentials in neurons and muscle. This gene encodes one member of the sodium channel alpha subunit gene family, and is found in a cluster of five alpha subunit genes on chromosome 2. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

ENSG00000236283 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.899

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SCN3A	NM_006922.4	c.2443G>T	p.Asp815Tyr	missense_variant	Exon 16 of 28	ENST00000283254.12	NP_008853.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SCN3A	ENST00000283254.12	c.2443G>T	p.Asp815Tyr	missense_variant	Exon 16 of 28	1	NM_006922.4	ENSP00000283254.7

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000275 AC: 4 AN: 1455788 Hom.: 0 Cov.: 31 AF XY: 0.00000276 AC XY: 2 AN XY: 724298

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

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: 0.00000361

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.92
BayesDel_addAF	Pathogenic	0.50	D
BayesDel_noAF	Pathogenic	0.48
CADD	Pathogenic	27
DANN	Uncertain	0.99
DEOGEN2	Pathogenic	0.95	D;.;.;.;.
Eigen	Uncertain	0.52
Eigen_PC	Uncertain	0.52
FATHMM_MKL	Uncertain	0.97	D
LIST_S2	Benign	0.82	T;T;T;T;T
M_CAP	Pathogenic	0.45	D
MetaRNN	Pathogenic	0.90	D;D;D;D;D
MetaSVM	Pathogenic	1.1	D
MutationAssessor	Uncertain	2.1	M;M;.;.;.
PrimateAI	Pathogenic	0.87	D
PROVEAN	Pathogenic	-7.3	D;D;.;D;D
REVEL	Pathogenic	0.89
Sift	Pathogenic	0.0	D;D;.;D;D
Sift4G	Uncertain	0.029	D;D;.;D;D
Polyphen		1.0	D;D;.;P;P
Vest4		0.82
MutPred		0.69		Gain of methylation at K810 (P = 0.05);Gain of methylation at K810 (P = 0.05);.;.;.;
MVP		0.95
MPC		0.81
ClinPred		1.0	D
GERP RS		4.9
Varity_R		0.85
gMVP		0.99

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.020		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr2-165987876; COSMIC: COSV51819735; COSMIC: COSV51819735;