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GeneBe

5-1225532-C-T

Variant summary

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

The NM_182632.3(SLC6A18):c.55C>T(p.Pro19Ser) variant causes a missense change. The variant allele was found at a frequency of 0.00018 in 1,613,312 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 35)
Exomes 𝑓: 0.00019 ( 0 hom. )

Consequence

SLC6A18
NM_182632.3 missense

Scores

2
13
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.78
Variant links:
Genes affected
SLC6A18 (HGNC:26441): (solute carrier family 6 member 18) The SLC6 family of proteins, which includes SLC6A18, act as specific transporters for neurotransmitters, amino acids, and osmolytes like betaine, taurine, and creatine. SLC6 proteins are sodium cotransporters that derive the energy for solute transport from the electrochemical gradient for sodium ions (Hoglund et al., 2005 [PubMed 16125675]).[supplied by OMIM, Apr 2010]

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
SLC6A18NM_182632.3 linkuse as main transcriptc.55C>T p.Pro19Ser missense_variant 1/12 ENST00000324642.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC6A18ENST00000324642.4 linkuse as main transcriptc.55C>T p.Pro19Ser missense_variant 1/121 NM_182632.3 P1
SLC6A18ENST00000513607.2 linkuse as main transcriptn.124C>T non_coding_transcript_exon_variant 1/33

Frequencies

GnomAD3 genomes
AF:
0.0000591
AC:
9
AN:
152220
Hom.:
0
Cov.:
35
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:
0.000132
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000598
AC:
15
AN:
250964
Hom.:
0
AF XY:
0.0000516
AC XY:
7
AN XY:
135714
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000132
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000193
AC:
282
AN:
1461092
Hom.:
0
Cov.:
59
AF XY:
0.000186
AC XY:
135
AN XY:
726856
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000227
Gnomad4 OTH exome
AF:
0.000497
GnomAD4 genome
AF:
0.0000591
AC:
9
AN:
152220
Hom.:
0
Cov.:
35
AF XY:
0.0000538
AC XY:
4
AN XY:
74366
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:
0.000132
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000254
Hom.:
0
Bravo
AF:
0.0000529
ExAC
AF:
0.0000577
AC:
7
EpiCase
AF:
0.000164
EpiControl
AF:
0.000237

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 GeneticsJul 11, 2022The c.55C>T (p.P19S) alteration is located in exon 1 (coding exon 1) of the SLC6A18 gene. This alteration results from a C to T substitution at nucleotide position 55, causing the proline (P) at amino acid position 19 to be replaced by a serine (S). 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
0.16
BayesDel_addAF
Benign
-0.0025
T
BayesDel_noAF
Uncertain
0.0
Cadd
Uncertain
24
Dann
Pathogenic
1.0
DEOGEN2
Benign
0.32
T
Eigen
Uncertain
0.49
Eigen_PC
Uncertain
0.41
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.95
D
M_CAP
Uncertain
0.24
D
MetaRNN
Uncertain
0.60
D
MetaSVM
Uncertain
0.11
D
MutationAssessor
Uncertain
2.8
M
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.66
T
PROVEAN
Pathogenic
-6.7
D
REVEL
Uncertain
0.56
Sift
Uncertain
0.0020
D
Sift4G
Uncertain
0.026
D
Polyphen
1.0
D
Vest4
0.30
MutPred
0.45
Loss of ubiquitination at K24 (P = 0.0853);
MVP
0.78
MPC
0.69
ClinPred
0.90
D
GERP RS
4.1
Varity_R
0.75
gMVP
0.39

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: rs201933463; hg19: chr5-1225647; API