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GeneBe

20-19584972-G-A

Variant summary

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

The NM_020689.4(SLC24A3):c.425G>A(p.Arg142His) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000291 in 1,613,218 control chromosomes in the GnomAD database, with no homozygous occurrence. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000029 ( 0 hom. )

Consequence

SLC24A3
NM_020689.4 missense, splice_region

Scores

1
9
8
Splicing: ADA: 0.9415
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.46
Variant links:
Genes affected
SLC24A3 (HGNC:10977): (solute carrier family 24 member 3) Plasma membrane sodium/calcium exchangers are an important component of intracellular calcium homeostasis and electrical conduction. Potassium-dependent sodium/calcium exchangers such as SLC24A3 are believed to transport 1 intracellular calcium and 1 potassium ion in exchange for 4 extracellular sodium ions (Kraev et al., 2001 [PubMed 11294880]).[supplied by OMIM, Mar 2008]

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/exons MANE UniProt
SLC24A3NM_020689.4 linkuse as main transcriptc.425G>A p.Arg142His missense_variant, splice_region_variant 5/17 ENST00000328041.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC24A3ENST00000328041.11 linkuse as main transcriptc.425G>A p.Arg142His missense_variant, splice_region_variant 5/171 NM_020689.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152156
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.0000294
Gnomad OTH
AF:
0.000479
GnomAD3 exomes
AF:
0.0000478
AC:
12
AN:
251058
Hom.:
0
AF XY:
0.0000516
AC XY:
7
AN XY:
135678
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000231
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:
0.0000352
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000294
AC:
43
AN:
1460944
Hom.:
0
Cov.:
30
AF XY:
0.0000248
AC XY:
18
AN XY:
726632
show subpopulations
Gnomad4 AFR exome
AF:
0.0000598
Gnomad4 AMR exome
AF:
0.000179
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000270
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152274
Hom.:
0
Cov.:
32
AF XY:
0.0000537
AC XY:
4
AN XY:
74448
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.000474
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000264
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsAug 29, 2022The c.425G>A (p.R142H) alteration is located in exon 5 (coding exon 5) of the SLC24A3 gene. This alteration results from a G to A substitution at nucleotide position 425, causing the arginine (R) at amino acid position 142 to be replaced by a histidine (H). 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
0.12
BayesDel_addAF
Benign
-0.15
T
BayesDel_noAF
Benign
-0.15
Cadd
Pathogenic
33
Dann
Pathogenic
1.0
DEOGEN2
Benign
0.32
T;T
Eigen
Uncertain
0.45
Eigen_PC
Uncertain
0.48
FATHMM_MKL
Uncertain
0.85
D
M_CAP
Benign
0.054
D
MetaRNN
Uncertain
0.43
T;T
MetaSVM
Benign
-0.65
T
MutationAssessor
Benign
1.5
L;L
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.78
T
PROVEAN
Uncertain
-2.6
D;.
REVEL
Uncertain
0.30
Sift
Uncertain
0.0030
D;.
Sift4G
Uncertain
0.033
D;D
Polyphen
0.99
D;D
Vest4
0.39
MutPred
0.51
Loss of catalytic residue at R142 (P = 0.0882);Loss of catalytic residue at R142 (P = 0.0882);
MVP
0.43
MPC
0.75
ClinPred
0.37
T
GERP RS
5.2
Varity_R
0.56
gMVP
0.67

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.94
dbscSNV1_RF
Benign
0.61
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.

Other links and lift over

dbSNP: rs755931195; hg19: chr20-19565616; API