15-26880939-C-T
Variant names:
Variant summary
Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBP7BS2
The NM_000810.4(GABRA5):c.180C>T(p.Tyr60Tyr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000744 in 1,613,812 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000068 ( 0 hom. )
Consequence
GABRA5
NM_000810.4 synonymous
NM_000810.4 synonymous
Scores
2
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: -0.839
Genes affected
GABRA5 (HGNC:4079): (gamma-aminobutyric acid type A receptor subunit alpha5) GABA is the major inhibitory neurotransmitter in the mammalian brain where it acts at GABA-A receptors, which are ligand-gated chloride channels. Chloride conductance of these channels can be modulated by agents such as benzodiazepines that bind to the GABA-A receptor. At least 16 distinct subunits of GABA-A receptors have been identified. Transcript variants utilizing three different alternative non-coding first exons have been described. [provided by RefSeq, Jul 2008]
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 -9 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.58).
BP7
Synonymous conserved (PhyloP=-0.839 with no splicing effect.
BS2
High AC in GnomAdExome4 at 10 AD gene.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152148Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.00000803 AC: 2AN: 249212Hom.: 0 AF XY: 0.0000148 AC XY: 2AN XY: 135200
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GnomAD4 exome AF: 0.00000684 AC: 10AN: 1461664Hom.: 0 Cov.: 31 AF XY: 0.00000825 AC XY: 6AN XY: 727116
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GnomAD4 genome AF: 0.0000131 AC: 2AN: 152148Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74324
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ClinVar
Not reported inComputational scores
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at