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GeneBe

8-20147636-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_003053.4(SLC18A1):​c.1297G>A​(p.Ala433Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000384 in 1,613,966 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000038 ( 0 hom. )

Consequence

SLC18A1
NM_003053.4 missense

Scores

3
11
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.99
Variant links:
Genes affected
SLC18A1 (HGNC:10934): (solute carrier family 18 member A1) The vesicular monoamine transporter acts to accumulate cytosolic monoamines into vesicles, using the proton gradient maintained across the vesicular membrane. Its proper function is essential to the correct activity of the monoaminergic systems that have been implicated in several human neuropsychiatric disorders. The transporter is a site of action of important drugs, including reserpine and tetrabenazine (Peter et al., 1993 [PubMed 7905859]). See also SLC18A2 (MIM 193001).[supplied by OMIM, Mar 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.808

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC18A1NM_003053.4 linkuse as main transcriptc.1297G>A p.Ala433Thr missense_variant 14/16 ENST00000276373.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC18A1ENST00000276373.10 linkuse as main transcriptc.1297G>A p.Ala433Thr missense_variant 14/161 NM_003053.4 P1P54219-1

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152156
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:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000103
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000279
AC:
7
AN:
251030
Hom.:
0
AF XY:
0.0000516
AC XY:
7
AN XY:
135664
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
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:
0.0000441
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000376
AC:
55
AN:
1461810
Hom.:
0
Cov.:
32
AF XY:
0.0000454
AC XY:
33
AN XY:
727192
show subpopulations
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:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000405
Gnomad4 OTH exome
AF:
0.0000994
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152156
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74332
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:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000103
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000675
Hom.:
0
Bravo
AF:
0.0000340
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000247
AC:
3
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

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 GeneticsNov 03, 2023The c.1297G>A (p.A433T) alteration is located in exon 14 (coding exon 13) of the SLC18A1 gene. This alteration results from a G to A substitution at nucleotide position 1297, causing the alanine (A) at amino acid position 433 to be replaced by a threonine (T). 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
0.20
BayesDel_addAF
Pathogenic
0.23
D
BayesDel_noAF
Pathogenic
0.21
CADD
Uncertain
25
DANN
Uncertain
1.0
Eigen
Uncertain
0.54
Eigen_PC
Uncertain
0.38
FATHMM_MKL
Uncertain
0.95
D
M_CAP
Uncertain
0.095
D
MetaRNN
Pathogenic
0.81
D;D;D;D;D;D
MetaSVM
Uncertain
0.57
D
MutationTaster
Benign
1.0
D;D;D;D;D;D
PrimateAI
Uncertain
0.71
T
PROVEAN
Uncertain
-2.9
D;D;D;D;D;D
REVEL
Uncertain
0.49
Sift
Uncertain
0.0020
D;D;D;D;D;D
Sift4G
Uncertain
0.060
T;D;D;D;T;D
Polyphen
1.0
.;D;D;.;.;.
Vest4
0.75
MVP
0.49
MPC
0.0067
ClinPred
0.97
D
GERP RS
5.1
Varity_R
0.34
gMVP
0.77

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.

Other links and lift over

dbSNP: rs148870551; hg19: chr8-20005147; COSMIC: COSV52349548; API