Genetic Variant SLC6A3:c.1768-479G>A (chr5-1401465-C-T) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_001044.5(SLC6A3):c.1768-479G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.351 in 152,162 control chromosomes in the GnomAD database, including 10,241 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.35 ( 10241 hom., cov: 33)

Consequence

SLC6A3
NM_001044.5 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.286

Publications

17 publications found

Variant links:

Genes affected

SLC6A3 (HGNC:11049): (solute carrier family 6 member 3) This gene encodes a dopamine transporter which is a member of the sodium- and chloride-dependent neurotransmitter transporter family. The 3' UTR of this gene contains a 40 bp tandem repeat, referred to as a variable number tandem repeat or VNTR, which can be present in 3 to 11 copies. Variation in the number of repeats is associated with idiopathic epilepsy, attention-deficit hyperactivity disorder, dependence on alcohol and cocaine, susceptibility to Parkinson disease and protection against nicotine dependence.[provided by RefSeq, Nov 2009]

SLC6A3 Gene-Disease associations (from GenCC):

classic dopamine transporter deficiency syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P
SLC6A3-related dopamine transporter deficiency syndrome
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
parkinsonism-dystonia, infantile
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

SLC6A3 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-1.0).

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.498 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC6A3	NM_001044.5 link	c.1768-479G>A		intron_variant	Intron 13 of 14	ENST00000270349.12	NP_001035.1	Q01959

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein	UniProt
SLC6A3	ENST00000270349.12 link	c.1768-479G>A	intron_variant	Intron 13 of 14	1	NM_001044.5	ENSP00000270349.9	Q01959
SLC6A3	ENST00000713696.1 link	c.1682-479G>A	intron_variant	Intron 13 of 14			ENSP00000519000.1
SLC6A3	ENST00000512002.2 link	n.-158G>A	upstream_gene_variant		1

Frequencies

GnomAD3 genomes

AF:

0.351

AC:

53383

AN:

152044

Hom.:

10217

Cov.:

show subpopulations

Gnomad AFR

AF:

0.503

Gnomad AMI

AF:

0.344

Gnomad AMR

AF:

0.256

Gnomad ASJ

AF:

0.360

Gnomad EAS

AF:

0.105

Gnomad SAS

AF:

0.236

Gnomad FIN

AF:

0.260

Gnomad MID

AF:

0.424

Gnomad NFE

AF:

0.321

Gnomad OTH

AF:

0.346

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome

AF:

0.351

AC:

53451

AN:

152162

Hom.:

10241

Cov.:

AF XY:

0.343

AC XY:

25494

AN XY:

74388

show subpopulations

African (AFR)

AF:

0.504

AC:

20901

AN:

41510

American (AMR)

AF:

0.255

AC:

3905

AN:

15294

Ashkenazi Jewish (ASJ)

AF:

0.360

AC:

1249

AN:

3468

East Asian (EAS)

AF:

0.104

AC:

541

AN:

5178

South Asian (SAS)

AF:

0.237

AC:

1139

AN:

4816

European-Finnish (FIN)

AF:

0.260

AC:

2755

AN:

10594

Middle Eastern (MID)

AF:

0.435

AC:

128

AN:

294

European-Non Finnish (NFE)

AF:

0.321

AC:

21799

AN:

67988

Other (OTH)

AF:

0.342

AC:

721

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

Heterozygous variant carriers

1765

3530

5295

7060

8825

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

502

1004

1506

2008

2510

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.324

Hom.:

4814

Bravo

AF:

0.357

Asia WGS

AF:

0.189

AC:

660

AN:

3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-1.0

CADD

Benign

0.41

(source)

DANN

Benign

0.59

PhyloP100

-0.29

Mutation Taster

=100/0

polymorphism (auto)

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over