12-51463713-C-T

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 3P and 4B. PP2PP3_ModerateBS2

The NM_001039960.3(SLC4A8):​c.1348C>T​(p.Arg450Trp) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.0000156 in 1,607,182 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

SLC4A8
NM_001039960.3 missense, splice_region

Scores

11
6
2
Splicing: ADA: 0.4921
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.73
Variant links:
Genes affected
SLC4A8 (HGNC:11034): (solute carrier family 4 member 8) The protein encoded by this gene is a membrane protein that functions to transport sodium and bicarbonate ions across the cell membrane. The encoded protein is important for pH regulation in neurons. The activity of this protein can be inhibited by 4,4'-Di-isothiocyanatostilbene-2,2'-disulfonic acid (DIDS). Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), SLC4A8. . Gene score misZ 4.0551 (greater than the threshold 3.09). Trascript score misZ 4.6916 (greater than threshold 3.09). GenCC has associacion of gene with schizophrenia.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.911
BS2
High AC in GnomAdExome4 at 24 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SLC4A8NM_001039960.3 linkuse as main transcriptc.1348C>T p.Arg450Trp missense_variant, splice_region_variant 11/25 ENST00000453097.7 NP_001035049.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SLC4A8ENST00000453097.7 linkuse as main transcriptc.1348C>T p.Arg450Trp missense_variant, splice_region_variant 11/251 NM_001039960.3 ENSP00000405812 P1Q2Y0W8-1

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152000
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000208
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
250950
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135636
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000870
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000165
AC:
24
AN:
1455182
Hom.:
0
Cov.:
28
AF XY:
0.0000152
AC XY:
11
AN XY:
724320
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000895
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000154
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152000
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74228
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000208
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.0000247
AC:
3

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 GeneticsFeb 03, 2022The c.1348C>T (p.R450W) alteration is located in exon 11 (coding exon 11) of the SLC4A8 gene. This alteration results from a C to T substitution at nucleotide position 1348, causing the arginine (R) at amino acid position 450 to be replaced by a tryptophan (W). 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
0.32
BayesDel_addAF
Pathogenic
0.26
D
BayesDel_noAF
Pathogenic
0.33
CADD
Pathogenic
32
DANN
Pathogenic
1.0
DEOGEN2
Pathogenic
0.84
.;.;D;.
Eigen
Pathogenic
0.75
Eigen_PC
Uncertain
0.64
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.95
D;D;D;D
M_CAP
Uncertain
0.11
D
MetaRNN
Pathogenic
0.91
D;D;D;D
MetaSVM
Uncertain
0.69
D
MutationAssessor
Pathogenic
4.0
.;.;H;.
MutationTaster
Benign
1.0
D;D;D;D;D;D;D
PrimateAI
Uncertain
0.72
T
PROVEAN
Pathogenic
-7.7
D;.;D;D
REVEL
Pathogenic
0.82
Sift
Pathogenic
0.0
D;.;D;D
Sift4G
Pathogenic
0.0
D;D;D;D
Polyphen
1.0
.;.;D;.
Vest4
0.73
MutPred
0.80
.;.;Loss of disorder (P = 0.0268);.;
MVP
0.16
MPC
1.7
ClinPred
1.0
D
GERP RS
3.3
Varity_R
0.84
gMVP
0.90

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.49
dbscSNV1_RF
Benign
0.57
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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs765315391; hg19: chr12-51857497; API