15-26547910-G-C
Variant summary
Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_StrongBP6_ModerateBP7
The NM_000814.6(GABRB3):c.1305C>G(p.Leu435=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000161 in 1,614,000 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: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000016 ( 0 hom. )
Consequence
GABRB3
NM_000814.6 synonymous
NM_000814.6 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 2.04
Genes affected
GABRB3 (HGNC:4083): (gamma-aminobutyric acid type A receptor subunit beta3) This gene encodes a member of the ligand-gated ionic channel family. The encoded protein is one the subunits of a multi-subunit chloride channel that serves as the receptor for gamma-aminobutyric acid, a major inhibitory neurotransmitter of the mammalian nervous system. This gene is located on the long arm of chromosome 15 in a cluster with two other genes encoding related subunits of the family. This gene may be associated with the pathogenesis of several disorders including Angelman syndrome, Prader-Willi syndrome, nonsyndromic orofacial clefts, epilepsy and autism. Alternatively spliced transcript variants encoding distinct isoforms have been described. [provided by RefSeq, Jul 2013]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -7 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.49).
BP6
?
Variant 15-26547910-G-C is Benign according to our data. Variant chr15-26547910-G-C is described in ClinVar as [Likely_benign]. Clinvar id is 2923481.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
?
Synonymous conserved (PhyloP=2.04 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
GABRB3 | NM_000814.6 | c.1305C>G | p.Leu435= | synonymous_variant | 9/9 | ENST00000311550.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
GABRB3 | ENST00000311550.10 | c.1305C>G | p.Leu435= | synonymous_variant | 9/9 | 1 | NM_000814.6 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.0000197 AC: 3AN: 152118Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000119 AC: 3AN: 251254Hom.: 0 AF XY: 0.0000147 AC XY: 2AN XY: 135798
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GnomAD4 exome AF: 0.0000157 AC: 23AN: 1461882Hom.: 0 Cov.: 31 AF XY: 0.0000124 AC XY: 9AN XY: 727242
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GnomAD4 genome ? AF: 0.0000197 AC: 3AN: 152118Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2AN XY: 74300
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Epilepsy, childhood absence, susceptibility to, 1;C2677087:Epilepsy, childhood absence, susceptibility to, 5 Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Dec 08, 2023 | - - |
Computational scores
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Name
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BayesDel_noAF
Benign
Cadd
Benign
Dann
Benign
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at