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GeneBe

11-20599671-A-G

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 2P and 3B. PM2BP4_ModerateBS1_Supporting

The NM_004211.5(SLC6A5):c.-2A>G variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000617 in 1,613,962 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00016 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00066 ( 1 hom. )

Consequence

SLC6A5
NM_004211.5 5_prime_UTR

Scores

2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.88
Variant links:
Genes affected
SLC6A5 (HGNC:11051): (solute carrier family 6 member 5) This gene encodes a sodium- and chloride-dependent glycine neurotransmitter transporter. This integral membrane glycoprotein is responsible for the clearance of extracellular glycine during glycine-mediated neurotransmission. This protein is found in glycinergic axons and maintains a high presynaptic pool of neurotransmitter at glycinergic synapses. Mutations in this gene cause hyperekplexia; a heterogenous neurological disorder characterized by exaggerated startle responses and neonatal apnea. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2016]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.23).
BS1
Variant frequency is greater than expected in population nfe. gnomad4_exome allele frequency = 0.000664 (971/1461850) while in subpopulation NFE AF= 0.000844 (939/1111996). AF 95% confidence interval is 0.000799. There are 1 homozygotes in gnomad4_exome. There are 451 alleles in male gnomad4_exome subpopulation. Median coverage is 31. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC6A5NM_004211.5 linkuse as main transcriptc.-2A>G 5_prime_UTR_variant 1/16 ENST00000525748.6
SLC6A5NM_001318369.2 linkuse as main transcriptc.-565A>G 5_prime_UTR_variant 1/15

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC6A5ENST00000525748.6 linkuse as main transcriptc.-2A>G 5_prime_UTR_variant 1/161 NM_004211.5 P1Q9Y345-1
SLC6A5ENST00000298923.11 linkuse as main transcriptc.-2A>G 5_prime_UTR_variant, NMD_transcript_variant 1/151

Frequencies

GnomAD3 genomes
AF:
0.000164
AC:
25
AN:
152112
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000121
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:
0.000279
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000195
AC:
49
AN:
251474
Hom.:
0
AF XY:
0.000206
AC XY:
28
AN XY:
135912
show subpopulations
Gnomad AFR exome
AF:
0.000246
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:
0.000387
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000664
AC:
971
AN:
1461850
Hom.:
1
Cov.:
31
AF XY:
0.000620
AC XY:
451
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.000179
Gnomad4 AMR exome
AF:
0.0000447
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:
0.000844
Gnomad4 OTH exome
AF:
0.000397
GnomAD4 genome
AF:
0.000164
AC:
25
AN:
152112
Hom.:
0
Cov.:
32
AF XY:
0.000135
AC XY:
10
AN XY:
74310
show subpopulations
Gnomad4 AFR
AF:
0.000121
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:
0.000279
Gnomad4 OTH
AF:
0.000478
Alfa
AF:
0.000458
Hom.:
0
Bravo
AF:
0.000257
EpiCase
AF:
0.000382
EpiControl
AF:
0.000296

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Hyperekplexia Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJun 14, 2016- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.23
Cadd
Benign
18
Dann
Benign
0.93

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs142828768; hg19: chr11-20621217; API