Genetic Variant ASIC3:p.Met44Ile (chr7-151049017-G-A) – 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_004769.4(ASIC3):c.132G>A(p.Met44Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000822 in 1,460,394 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

ASIC3
NM_004769.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.163

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:

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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=0.18292862).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ASIC3	NM_004769.4 link	c.132G>A	p.Met44Ile	missense_variant	Exon 1 of 11	ENST00000349064.10	NP_004760.1	Q9UHC3-1A0A090N7X8
ASIC3	NM_020321.3 link	c.132G>A	p.Met44Ile	missense_variant	Exon 1 of 11		NP_064717.1	Q9UHC3-3A0A090N8Q1
ASIC3	NM_020322.3 link	c.132G>A	p.Met44Ile	missense_variant	Exon 1 of 10		NP_064718.1	Q9UHC3-2A0A090N8Z6
ASIC3	NR_046401.1 link	n.726G>A		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.132G>A	p.Met44Ile	missense_variant	Exon 1 of 11	1	NM_004769.4	ENSP00000344838.5		Q9UHC3-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000520

AC:

AN:

249938

Hom.:

AF XY:

0.0000518

AC XY:

AN XY:

135248

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000377

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000822

AC:

AN:

1460394

Hom.:

Cov.:

AF XY:

0.00000963

AC XY:

AN XY:

726552

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.000268

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:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Bravo

AF:

0.0000453

ExAC

AF:

0.0000659

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Apr 07, 2022

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.132G>A (p.M44I) alteration is located in exon 1 (coding exon 1) of the ASIC3 gene. This alteration results from a G to A substitution at nucleotide position 132, causing the methionine (M) at amino acid position 44 to be replaced by an isoleucine (I). 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

Benign

0.14

BayesDel_addAF

Benign

-0.38

BayesDel_noAF

Benign

-0.46

CADD

Benign

DANN

Benign

0.96

DEOGEN2

Benign

0.11

.;T;.

Eigen

Benign

-1.1

Eigen_PC

Benign

-0.95

FATHMM_MKL

Benign

0.33

LIST_S2

Benign

0.84

T;T;T

M_CAP

Benign

0.016

MetaRNN

Benign

0.18

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.61

N;N;N

PrimateAI

Benign

0.40

PROVEAN

Benign

-0.040

N;N;N

REVEL

Benign

0.13

Sift

Benign

0.067

T;T;T

Sift4G

Uncertain

0.050

T;T;T

Polyphen

0.0

B;B;B

Vest4

0.24

MutPred

0.77

Loss of MoRF binding (P = 0.0848);Loss of MoRF binding (P = 0.0848);Loss of MoRF binding (P = 0.0848);

MVP

0.45

MPC

0.10

ClinPred

0.036

GERP RS

-0.51

Varity_R

0.15

gMVP

0.28

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