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GeneBe

8-20147699-G-T

Variant summary

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

The NM_003053.4(SLC18A1):c.1234C>A(p.Pro412Thr) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,461,380 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: not found (cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

SLC18A1
NM_003053.4 missense

Scores

4
9
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.63
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, 0.759

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC18A1NM_003053.4 linkuse as main transcriptc.1234C>A p.Pro412Thr missense_variant 14/16 ENST00000276373.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC18A1ENST00000276373.10 linkuse as main transcriptc.1234C>A p.Pro412Thr missense_variant 14/161 NM_003053.4 P1P54219-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000800
AC:
2
AN:
250064
Hom.:
0
AF XY:
0.0000148
AC XY:
2
AN XY:
135158
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:
0.0000656
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461380
Hom.:
0
Cov.:
32
AF XY:
0.00000275
AC XY:
2
AN XY:
726946
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000824
AC:
1

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 13, 2024The c.1234C>A (p.P412T) alteration is located in exon 14 (coding exon 13) of the SLC18A1 gene. This alteration results from a C to A substitution at nucleotide position 1234, causing the proline (P) at amino acid position 412 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
Uncertain
0.38
BayesDel_addAF
Benign
-0.018
T
BayesDel_noAF
Uncertain
-0.080
Cadd
Pathogenic
27
Dann
Uncertain
1.0
Eigen
Pathogenic
0.78
Eigen_PC
Pathogenic
0.70
FATHMM_MKL
Uncertain
0.91
D
M_CAP
Benign
0.036
D
MetaRNN
Pathogenic
0.76
D;D;D;D;D;D
MetaSVM
Uncertain
0.083
D
MutationTaster
Benign
1.0
D;D;D;D;D;D
PrimateAI
Uncertain
0.66
T
PROVEAN
Pathogenic
-7.2
D;D;D;D;D;D
REVEL
Uncertain
0.34
Sift
Uncertain
0.0010
D;D;D;D;D;D
Sift4G
Uncertain
0.0020
D;D;D;D;D;D
Polyphen
0.99
.;D;D;.;.;.
Vest4
0.71
MutPred
0.60
.;Gain of glycosylation at P412 (P = 0.2069);Gain of glycosylation at P412 (P = 0.2069);Gain of glycosylation at P412 (P = 0.2069);.;Gain of glycosylation at P412 (P = 0.2069);
MVP
0.47
MPC
0.0058
ClinPred
0.93
D
GERP RS
5.1
Varity_R
0.81
gMVP
0.92

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: rs779846411; hg19: chr8-20005210; API