Genetic Variant SLC18A1:p.Gly140Arg (chr8-20179191-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_003053.4(SLC18A1):c.418G>A(p.Gly140Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00125 in 1,613,968 control chromosomes in the GnomAD database, including 3 homozygotes. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.00090 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0013 ( 3 hom. )

Consequence

SLC18A1
NM_003053.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.23

Publications

7 publications found

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]

SLC18A1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BS2

High Homozygotes in GnomAdExome4 at 3 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003053.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
SLC18A1	NM_003053.4	MANE Select	c.418G>A	p.Gly140Arg	missense	Exon 3 of 16	NP_003044.1
SLC18A1	NM_001135691.3		c.418G>A	p.Gly140Arg	missense	Exon 4 of 17	NP_001129163.1
SLC18A1	NM_001438745.1		c.418G>A	p.Gly140Arg	missense	Exon 3 of 15	NP_001425674.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
SLC18A1	ENST00000276373.10	TSL:1 MANE Select	c.418G>A	p.Gly140Arg	missense	Exon 3 of 16	ENSP00000276373.5
SLC18A1	ENST00000265808.11	TSL:1	c.418G>A	p.Gly140Arg	missense	Exon 4 of 16	ENSP00000265808.7
SLC18A1	ENST00000440926.3	TSL:5	c.418G>A	p.Gly140Arg	missense	Exon 4 of 17	ENSP00000387549.1

Frequencies

GnomAD3 genomes

AF:

0.000901

AC:

137

AN:

152102

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000411

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000197

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00123

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00150

Gnomad OTH

AF:

0.000955

GnomAD2 exomes

AF:

0.000712

AC:

179

AN:

251414

AF XY:

0.000743

show subpopulations

Gnomad AFR exome

AF:

0.000492

Gnomad AMR exome

AF:

0.0000289

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000109

Gnomad FIN exome

AF:

0.00111

Gnomad NFE exome

AF:

0.00121

Gnomad OTH exome

AF:

0.000652

GnomAD4 exome

AF:

0.00129

AC:

1881

AN:

1461866

Hom.:

Cov.:

AF XY:

0.00126

AC XY:

915

AN XY:

727232

show subpopulations

African (AFR)

AF:

0.000179

AC:

AN:

33480

American (AMR)

AF:

0.000179

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0000504

AC:

AN:

39700

South Asian (SAS)

AF:

0.000104

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.000973

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00158

AC:

1761

AN:

1111990

Other (OTH)

AF:

0.000712

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

120

240

359

479

599

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

144

216

288

360

<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:

0.000901

AC:

137

AN:

152102

Hom.:

Cov.:

AF XY:

0.000983

AC XY:

AN XY:

74282

show subpopulations

African (AFR)

AF:

0.000411

AC:

AN:

41388

American (AMR)

AF:

0.000197

AC:

AN:

15266

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00123

AC:

AN:

10610

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00150

AC:

102

AN:

68036

Other (OTH)

AF:

0.000955

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.00106

Hom.:

Bravo

AF:

0.000699

TwinsUK

AF:

0.00162

AC:

ALSPAC

AF:

0.000778

AC:

ESP6500AA

AF:

0.000681

AC:

ESP6500EA

AF:

0.00151

AC:

ExAC

AF:

0.000766

AC:

EpiCase

AF:

0.00174

EpiControl

AF:

0.00154

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.76

BayesDel_addAF

Uncertain

0.15

BayesDel_noAF

Pathogenic

0.42

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.69

Eigen

Pathogenic

0.75

Eigen_PC

Uncertain

0.60

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Pathogenic

0.97

M_CAP

Uncertain

0.096

MetaRNN

Uncertain

0.60

MetaSVM

Pathogenic

0.86

MutationAssessor

Pathogenic

3.9

PhyloP100

7.2

PrimateAI

Uncertain

0.61

PROVEAN

Pathogenic

-7.7

REVEL

Uncertain

0.59

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.98

MutPred

0.35

Gain of methylation at G140 (P = 0.0309)

MVP

0.72

MPC

0.0056

ClinPred

0.35

GERP RS

6.0

Varity_R

0.88

gMVP

0.98

Mutation Taster

=4/96

disease causing

(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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over