X-151955051-G-A

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP4BS2

The NM_004961.4(GABRE):​c.1171C>T​(p.Arg391Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000276 in 1,088,772 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 2 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 23)
Exomes 𝑓: 0.0000028 ( 0 hom. 2 hem. )

Consequence

GABRE
NM_004961.4 missense

Scores

4
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.256
Variant links:
Genes affected
GABRE (HGNC:4085): (gamma-aminobutyric acid type A receptor subunit epsilon) The product of this gene belongs to the ligand-gated ionic channel (TC 1.A.9) family. It encodes the gamma-aminobutyric acid (GABA) A receptor which is a multisubunit chloride channel that mediates the fastest inhibitory synaptic transmission in the central nervous system. This gene encodes an epsilon subunit. It is mapped to chromosome Xq28 in a cluster comprised of genes encoding alpha 3, beta 4 and theta subunits of the same receptor. Alternatively spliced transcript variants have been identified, but only one is thought to encode a protein. [provided by RefSeq, Oct 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.3077577).
BS2
High Hemizygotes in GnomAdExome4 at 2 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
GABRENM_004961.4 linkuse as main transcriptc.1171C>T p.Arg391Cys missense_variant 9/9 ENST00000370328.4 NP_004952.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GABREENST00000370328.4 linkuse as main transcriptc.1171C>T p.Arg391Cys missense_variant 9/91 NM_004961.4 ENSP00000359353 P1P78334-1
GABREENST00000486255.1 linkuse as main transcriptn.4250C>T non_coding_transcript_exon_variant 3/31
GABREENST00000483564.5 linkuse as main transcriptn.821C>T non_coding_transcript_exon_variant 4/43
GABREENST00000495862.1 linkuse as main transcript downstream_gene_variant 3

Frequencies

GnomAD3 genomes
Cov.:
23
GnomAD3 exomes
AF:
0.0000122
AC:
2
AN:
163320
Hom.:
0
AF XY:
0.0000197
AC XY:
1
AN XY:
50794
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000154
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000276
AC:
3
AN:
1088772
Hom.:
0
Cov.:
32
AF XY:
0.00000563
AC XY:
2
AN XY:
355402
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000668
Gnomad4 SAS exome
AF:
0.0000191
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
23

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 16, 2023The c.1171C>T (p.R391C) alteration is located in exon 9 (coding exon 9) of the GABRE gene. This alteration results from a C to T substitution at nucleotide position 1171, causing the arginine (R) at amino acid position 391 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.17
BayesDel_addAF
Benign
-0.13
T
BayesDel_noAF
Benign
-0.43
CADD
Benign
14
DANN
Uncertain
1.0
DEOGEN2
Benign
0.41
T
FATHMM_MKL
Benign
0.16
N
LIST_S2
Benign
0.58
T
M_CAP
Uncertain
0.11
D
MetaRNN
Benign
0.31
T
MetaSVM
Benign
-0.44
T
MutationAssessor
Uncertain
2.2
M
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.45
T
PROVEAN
Benign
-2.0
N
REVEL
Benign
0.26
Sift
Benign
0.048
D
Sift4G
Uncertain
0.042
D
Polyphen
1.0
D
Vest4
0.11
MutPred
0.54
Loss of methylation at R391 (P = 0.0384);
MVP
0.88
MPC
0.079
ClinPred
0.29
T
GERP RS
3.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.096
gMVP
0.27

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
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: rs1417975898; hg19: chrX-151123523; API