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11-20601117-T-C

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_ModerateBP6_Moderate

The NM_004211.5(SLC6A5):​c.4-12T>C variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000489 in 1,431,312 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000049 ( 0 hom. )

Consequence

SLC6A5
NM_004211.5 splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.007208
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.00
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 -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.41).
BP6
Variant 11-20601117-T-C is Benign according to our data. Variant chr11-20601117-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 3002856.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC6A5NM_004211.5 linkuse as main transcriptc.4-12T>C splice_polypyrimidine_tract_variant, intron_variant ENST00000525748.6
SLC6A5NM_001318369.2 linkuse as main transcriptc.-560-12T>C splice_polypyrimidine_tract_variant, intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC6A5ENST00000525748.6 linkuse as main transcriptc.4-12T>C splice_polypyrimidine_tract_variant, intron_variant 1 NM_004211.5 P1Q9Y345-1
SLC6A5ENST00000298923.11 linkuse as main transcriptc.4-12T>C splice_polypyrimidine_tract_variant, intron_variant, NMD_transcript_variant 1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000497
AC:
1
AN:
201010
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
110418
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:
0.0000111
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000489
AC:
7
AN:
1431312
Hom.:
0
Cov.:
30
AF XY:
0.00000281
AC XY:
2
AN XY:
710712
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:
0.0000801
Gnomad4 NFE exome
AF:
0.00000362
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.0000936
Hom.:
0
Bravo
AF:
0.00000756

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Hyperekplexia 3 Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeOct 16, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.41
CADD
Benign
20
DANN
Benign
0.82

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.0072
dbscSNV1_RF
Benign
0.14
SpliceAI score (max)
0.060
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: rs1463209277; hg19: chr11-20622663; API