5-170794274-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_014211.3(GABRP):ā€‹c.216C>Gā€‹(p.Ile72Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000151 in 1,459,908 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 29)
Exomes š‘“: 0.000015 ( 0 hom. )

Consequence

GABRP
NM_014211.3 missense

Scores

3
10
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.0320
Variant links:
Genes affected
GABRP (HGNC:4089): (gamma-aminobutyric acid type A receptor subunit pi) The gamma-aminobutyric acid (GABA) A receptor is a multisubunit chloride channel that mediates the fastest inhibitory synaptic transmission in the central nervous system. The subunit encoded by this gene is expressed in several non-neuronal tissues including the uterus and ovaries. This subunit can assemble with known GABA A receptor subunits, and the presence of this subunit alters the sensitivity of recombinant receptors to modulatory agents such as pregnanolone. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2014]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
GABRPNM_014211.3 linkc.216C>G p.Ile72Met missense_variant 4/10 ENST00000265294.9 NP_055026.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GABRPENST00000265294.9 linkc.216C>G p.Ile72Met missense_variant 4/101 NM_014211.3 ENSP00000265294.4 O00591

Frequencies

GnomAD3 genomes
Cov.:
29
GnomAD3 exomes
AF:
0.0000398
AC:
10
AN:
251112
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135714
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:
0.000328
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000151
AC:
22
AN:
1459908
Hom.:
0
Cov.:
29
AF XY:
0.0000138
AC XY:
10
AN XY:
726398
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:
0.000221
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
Cov.:
29
Bravo
AF:
0.00000378
ExAC
AF:
0.0000412
AC:
5

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 03, 2024The c.216C>G (p.I72M) alteration is located in exon 4 (coding exon 3) of the GABRP gene. This alteration results from a C to G substitution at nucleotide position 216, causing the isoleucine (I) at amino acid position 72 to be replaced by a methionine (M). 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
Uncertain
0.47
BayesDel_addAF
Uncertain
0.058
T
BayesDel_noAF
Pathogenic
0.15
CADD
Benign
20
DANN
Uncertain
1.0
DEOGEN2
Benign
0.35
.;.;.;T;T;.;.
Eigen
Benign
0.059
Eigen_PC
Benign
-0.0089
FATHMM_MKL
Uncertain
0.84
D
LIST_S2
Pathogenic
0.98
D;D;D;.;D;D;D
M_CAP
Uncertain
0.20
D
MetaRNN
Uncertain
0.69
D;D;D;D;D;D;D
MetaSVM
Uncertain
-0.024
T
MutationAssessor
Benign
1.9
.;.;.;L;L;.;.
PrimateAI
Uncertain
0.70
T
PROVEAN
Uncertain
-2.6
D;N;D;N;N;N;N
REVEL
Pathogenic
0.65
Sift
Uncertain
0.013
D;D;D;D;D;D;T
Sift4G
Benign
0.063
T;D;T;D;D;T;T
Polyphen
1.0
.;.;.;D;D;D;.
Vest4
0.83, 0.82, 0.84, 0.83
MutPred
0.73
Gain of catalytic residue at I72 (P = 0.0119);Gain of catalytic residue at I72 (P = 0.0119);Gain of catalytic residue at I72 (P = 0.0119);Gain of catalytic residue at I72 (P = 0.0119);Gain of catalytic residue at I72 (P = 0.0119);Gain of catalytic residue at I72 (P = 0.0119);Gain of catalytic residue at I72 (P = 0.0119);
MVP
0.81
MPC
0.57
ClinPred
0.56
D
GERP RS
0.54
Varity_R
0.29
gMVP
0.55

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.080
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: rs140333913; hg19: chr5-170221278; API