NM_003042.4:c.960C>T

Variant names:

Variant summary

Our verdict is Benign. The variant received -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_003042.4(SLC6A1):c.960C>T(p.Ser320Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00136 in 1,613,798 control chromosomes in the GnomAD database, including 29 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0066 ( 14 hom., cov: 32)

Exomes 𝑓: 0.00081 ( 15 hom. )

Consequence

SLC6A1
NM_003042.4 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 0.855

Publications

2 publications found

Variant links:

Genes affected

SLC6A1 (HGNC:11042): (solute carrier family 6 member 1) The protein encoded by this gene is a gamma-aminobutyric acid (GABA) transporter that localizes to the plasma membrane. The encoded protein removes GABA from the synaptic cleft, restoring it to presynaptic terminals. [provided by RefSeq, Jan 2017]

SLC6A1 Gene-Disease associations (from GenCC):

epilepsy with myoclonic atonic seizures
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Illumina, G2P, Labcorp Genetics (formerly Invitae)
myoclonic-astatic epilepsy
Inheritance: Unknown Classification: SUPPORTIVE Submitted by: Orphanet

SLC6A1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -19 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.25).

BP6

Variant 3-11026241-C-T is Benign according to our data. Variant chr3-11026241-C-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 475493.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.855 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00661 (1006/152180) while in subpopulation AFR AF = 0.0225 (936/41514). AF 95% confidence interval is 0.0213. There are 14 homozygotes in GnomAd4. There are 472 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 1006 AD,Unknown gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC6A1	NM_003042.4 link	c.960C>T	p.Ser320Ser	synonymous_variant	Exon 10 of 16	ENST00000287766.10	NP_003033.3	A0A024R2K8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SLC6A1	ENST00000287766.10 link	c.960C>T	p.Ser320Ser	synonymous_variant	Exon 10 of 16	1	NM_003042.4	ENSP00000287766.4		P30531

Frequencies

GnomAD3 genomes

AF:

0.00658

AC:

1001

AN:

152062

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0225

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00268

Gnomad ASJ

AF:

0.000288

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000208

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00949

Gnomad NFE

AF:

0.000162

Gnomad OTH

AF:

0.00624

GnomAD2 exomes

AF:

0.00184

AC:

461

AN:

251114

AF XY:

0.00137

show subpopulations

Gnomad AFR exome

AF:

0.0245

Gnomad AMR exome

AF:

0.00113

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000141

Gnomad OTH exome

AF:

0.000978

GnomAD4 exome

AF:

0.000814

AC:

1190

AN:

1461618

Hom.:

Cov.:

AF XY:

0.000725

AC XY:

527

AN XY:

727100

show subpopulations

African (AFR)

AF:

0.0225

AC:

753

AN:

33474

American (AMR)

AF:

0.00130

AC:

AN:

44704

Ashkenazi Jewish (ASJ)

AF:

0.0000383

AC:

AN:

26118

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000812

AC:

AN:

86200

European-Finnish (FIN)

AF:

0.0000187

AC:

AN:

53404

Middle Eastern (MID)

AF:

0.00642

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.000200

AC:

222

AN:

1111870

Other (OTH)

AF:

0.00184

AC:

111

AN:

60382

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.479

Heterozygous variant carriers

106

160

213

266

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

128

160

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00661

AC:

1006

AN:

152180

Hom.:

Cov.:

AF XY:

0.00634

AC XY:

472

AN XY:

74398

show subpopulations

African (AFR)

AF:

0.0225

AC:

936

AN:

41514

American (AMR)

AF:

0.00268

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.000288

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5154

South Asian (SAS)

AF:

0.000208

AC:

AN:

4806

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.0102

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000162

AC:

AN:

68008

Other (OTH)

AF:

0.00617

AC:

AN:

2106

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

Heterozygous variant carriers

104

155

207

259

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

100

<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:

0.00295

Hom.:

Bravo

AF:

0.00731

Asia WGS

AF:

0.00260

AC:

AN:

3478

EpiCase

AF:

0.000109

EpiControl

AF:

0.000296

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:7

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:3

May 31, 2018

Athena Diagnostics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Aug 30, 2019

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Breakthrough Genomics, Breakthrough Genomics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

Epilepsy with myoclonic atonic seizures

Benign:2

Oct 14, 2021

Fulgent Genetics, Fulgent Genetics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Feb 03, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

SLC6A1-related disorder

Benign:1

Jun 14, 2019

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Inborn genetic diseases

Benign:1

May 14, 2016

Ambry Genetics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.25

CADD

Benign

(source)

DANN

Benign

0.75

PhyloP100

0.85

Mutation Taster

=95/5

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over