Genetic Variant ASIC3:p.Ser25Leu (chr7-151048959-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_004769.4(ASIC3):c.74C>T(p.Ser25Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0000125 in 1,595,814 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

ASIC3
NM_004769.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.97

Variant links:

Genes affected

ASIC3 (HGNC:101): (acid sensing ion channel subunit 3) This gene encodes a member of the degenerin/epithelial sodium channel (DEG/ENaC) superfamily. The members of this family are amiloride-sensitive sodium channels that contain intracellular N and C termini, two hydrophobic transmembrane regions, and a large extracellular loop, which has many cysteine residues with conserved spacing. The member encoded by this gene is an acid sensor and may play an important role in the detection of lasting pH changes. In addition, a heteromeric association between this member and acid-sensing (proton-gated) ion channel 2 has been observed as proton-gated channels sensitive to gadolinium. Alternatively spliced transcript variants have been described. [provided by RefSeq, Feb 2012]

ASIC3 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ASIC3	NM_004769.4 link	c.74C>T	p.Ser25Leu	missense_variant	Exon 1 of 11	ENST00000349064.10	NP_004760.1	Q9UHC3-1A0A090N7X8
ASIC3	NM_020321.3 link	c.74C>T	p.Ser25Leu	missense_variant	Exon 1 of 11		NP_064717.1	Q9UHC3-3A0A090N8Q1
ASIC3	NM_020322.3 link	c.74C>T	p.Ser25Leu	missense_variant	Exon 1 of 10		NP_064718.1	Q9UHC3-2A0A090N8Z6
ASIC3	NR_046401.1 link	n.668C>T		non_coding_transcript_exon_variant	Exon 1 of 10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ASIC3	ENST00000349064.10 link	c.74C>T	p.Ser25Leu	missense_variant	Exon 1 of 11	1	NM_004769.4	ENSP00000344838.5		Q9UHC3-1

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152222

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000965

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000165

AC:

AN:

242870

Hom.:

AF XY:

0.00000760

AC XY:

AN XY:

131574

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000589

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000552

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000914

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000111

AC:

AN:

1443592

Hom.:

Cov.:

AF XY:

0.0000126

AC XY:

AN XY:

715024

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000454

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000255

Gnomad4 SAS exome

AF:

0.0000352

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000910

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000263

AC:

AN:

152222

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74378

show subpopulations

Gnomad4 AFR

AF:

0.0000965

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:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000712

Hom.:

Bravo

AF:

0.0000378

ExAC

AF:

0.0000165

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 23, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.74C>T (p.S25L) alteration is located in exon 1 (coding exon 1) of the ASIC3 gene. This alteration results from a C to T substitution at nucleotide position 74, causing the serine (S) at amino acid position 25 to be replaced by a leucine (L). 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

Pathogenic

0.59

BayesDel_addAF

Benign

-0.094

BayesDel_noAF

Benign

-0.19

CADD

Benign

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.72

.;D;.

Eigen

Benign

0.012

Eigen_PC

Benign

0.042

FATHMM_MKL

Benign

0.61

LIST_S2

Uncertain

0.96

D;D;D

M_CAP

Uncertain

0.12

MetaRNN

Uncertain

0.66

D;D;D

MetaSVM

Benign

-0.68

MutationAssessor

Uncertain

2.2

M;M;M

PrimateAI

Benign

0.47

PROVEAN

Uncertain

-2.6

D;D;D

REVEL

Uncertain

0.37

Sift

Uncertain

0.0010

D;D;D

Sift4G

Uncertain

0.0030

D;D;D

Polyphen

0.56

P;B;P

Vest4

0.33

MutPred

0.81

Loss of disorder (P = 0.0373);Loss of disorder (P = 0.0373);Loss of disorder (P = 0.0373);

MVP

0.73

MPC

0.12

ClinPred

0.69

GERP RS

5.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.53

gMVP

0.37

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