chr1-36805096-T-C

Variant summary

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

The NM_000831.4(GRIK3):ā€‹c.2456A>Gā€‹(p.Gln819Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,892 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: 32)
Exomes š‘“: 0.0000014 ( 0 hom. )

Consequence

GRIK3
NM_000831.4 missense

Scores

1
7
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.95
Variant links:
Genes affected
GRIK3 (HGNC:4581): (glutamate ionotropic receptor kainate type subunit 3) Glutamate receptors are the predominant excitatory neurotransmitter receptors in the mammalian brain and are activated in a variety of normal neurophysiologic processes. This gene product belongs to the kainate family of glutamate receptors, which are composed of four subunits and function as ligand-activated ion channels. It is not certain if the subunit encoded by this gene is subject to RNA editing as the other 2 family members (GRIK1 and GRIK2). A Ser310Ala polymorphism has been associated with schizophrenia, and there are conflicting reports of its association with the pathogenesis of delirium tremens in alcoholics. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

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
GRIK3NM_000831.4 linkuse as main transcriptc.2456A>G p.Gln819Arg missense_variant 15/16 ENST00000373091.8 NP_000822.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GRIK3ENST00000373091.8 linkuse as main transcriptc.2456A>G p.Gln819Arg missense_variant 15/161 NM_000831.4 ENSP00000362183 P1Q13003-1
GRIK3ENST00000373093.4 linkuse as main transcriptc.2456A>G p.Gln819Arg missense_variant 15/151 ENSP00000362185 Q13003-2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251450
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135912
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
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:
0.00000137
AC:
2
AN:
1461892
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
727246
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

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 testingGenetic Services Laboratory, University of ChicagoSep 01, 2015- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.19
T
BayesDel_noAF
Benign
-0.34
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.25
T;.
Eigen
Benign
0.13
Eigen_PC
Uncertain
0.25
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.94
D;D
M_CAP
Benign
0.019
T
MetaRNN
Uncertain
0.44
T;T
MetaSVM
Benign
-0.89
T
MutationAssessor
Benign
1.6
L;L
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.78
T
PROVEAN
Benign
-2.1
N;N
REVEL
Benign
0.17
Sift
Uncertain
0.026
D;D
Sift4G
Uncertain
0.048
D;T
Polyphen
0.22
B;.
Vest4
0.54
MutPred
0.51
Gain of ubiquitination at K820 (P = 0.0605);Gain of ubiquitination at K820 (P = 0.0605);
MVP
0.65
MPC
1.0
ClinPred
0.86
D
GERP RS
4.4
Varity_R
0.34
gMVP
0.64

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: rs1427357469; hg19: chr1-37270697; API