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GeneBe

chr6-146029630-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 1P and 0B. PP2

The NM_001278064.2(GRM1):ā€‹c.113T>Cā€‹(p.Val38Ala) variant causes a missense change. The variant allele was found at a frequency of 0.00000372 in 1,613,970 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.000013 ( 0 hom., cov: 32)
Exomes š‘“: 0.0000027 ( 0 hom. )

Consequence

GRM1
NM_001278064.2 missense

Scores

2
8
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.12
Variant links:
Genes affected
GRM1 (HGNC:4593): (glutamate metabotropic receptor 1) This gene encodes a metabotropic glutamate receptor that functions by activating phospholipase C. L-glutamate is the major excitatory neurotransmitter in the central nervous system and activates both ionotropic and metabotropic glutamate receptors. Glutamatergic neurotransmission is involved in most aspects of normal brain function and can be perturbed in many neuropathologic conditions. The canonical alpha isoform of the encoded protein is a disulfide-linked homodimer whose activity is mediated by a G-protein-coupled phosphatidylinositol-calcium second messenger system. This gene may be associated with many disease states, including schizophrenia, bipolar disorder, depression, and breast cancer. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, May 2013]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PP2
Missense variant where missense usually causes diseases, GRM1

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GRM1NM_001278064.2 linkuse as main transcriptc.113T>C p.Val38Ala missense_variant 1/8 ENST00000282753.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GRM1ENST00000282753.6 linkuse as main transcriptc.113T>C p.Val38Ala missense_variant 1/81 NM_001278064.2 P1Q13255-1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
152082
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251464
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135906
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461888
Hom.:
0
Cov.:
32
AF XY:
0.00000275
AC XY:
2
AN XY:
727248
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000360
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
152082
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74270
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.000478
Bravo
AF:
0.0000264
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000165
AC:
2

ClinVar

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

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAthena DiagnosticsOct 08, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.57
BayesDel_addAF
Pathogenic
0.25
D
BayesDel_noAF
Uncertain
0.13
CADD
Pathogenic
27
DANN
Uncertain
1.0
Eigen
Uncertain
0.39
Eigen_PC
Uncertain
0.47
FATHMM_MKL
Benign
0.47
N
M_CAP
Benign
0.077
D
MetaRNN
Uncertain
0.65
D;D;D;D;D
MetaSVM
Uncertain
0.25
D
MutationAssessor
Benign
1.9
L;L;L;L;L
MutationTaster
Benign
1.0
D;D;D;D;D;D
PrimateAI
Uncertain
0.73
T
PROVEAN
Benign
-1.4
N;N;N;N;N
REVEL
Uncertain
0.63
Sift
Benign
0.19
T;T;T;T;T
Sift4G
Benign
0.36
T;D;T;D;T
Polyphen
0.69
P;D;.;D;P
Vest4
0.71
MVP
0.77
MPC
1.5
ClinPred
0.96
D
GERP RS
5.6
Varity_R
0.39
gMVP
0.82

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: rs374907798; hg19: chr6-146350766; API