17-81810907-CT-C

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_000160.5(GCGR):​c.247delT​(p.Trp83fs) variant causes a frameshift change. The variant allele was found at a frequency of 0.0000478 in 1,526,740 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000051 ( 0 hom. )

Consequence

GCGR
NM_000160.5 frameshift

Scores

Not classified

Clinical Significance

Pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 4.53
Variant links:
Genes affected
GCGR (HGNC:4192): (glucagon receptor) The protein encoded by this gene is a glucagon receptor that is important in controlling blood glucose levels. Defects in this gene are a cause of non-insulin-dependent diabetes mellitus (NIDDM).[provided by RefSeq, Jan 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 12 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 17-81810907-CT-C is Pathogenic according to our data. Variant chr17-81810907-CT-C is described in ClinVar as [Pathogenic]. Clinvar id is 2582843.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
GCGRNM_000160.5 linkc.247delT p.Trp83fs frameshift_variant 4/14 ENST00000400723.8 NP_000151.1 P47871
GCGRXM_006722277.2 linkc.247delT p.Trp83fs frameshift_variant 4/14 XP_006722340.1 P47871
GCGRXM_017024446.2 linkc.241delT p.Trp81fs frameshift_variant 4/14 XP_016879935.1
GCGRXM_011523539.2 linkc.171delT p.Val58fs frameshift_variant, splice_region_variant 2/12 XP_011521841.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GCGRENST00000400723.8 linkc.247delT p.Trp83fs frameshift_variant 4/141 NM_000160.5 ENSP00000383558.3 P47871
GCGRENST00000570996.5 linkc.247delT p.Trp83fs frameshift_variant 4/122 ENSP00000460976.1 I3L454
GCGRENST00000574283.2 linkn.331delT non_coding_transcript_exon_variant 2/35
GCGRENST00000573428.1 linkc.*7delT downstream_gene_variant 4 ENSP00000458930.1 I3L1L8

Frequencies

GnomAD3 genomes
AF:
0.0000200
AC:
3
AN:
150084
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:
0.0000445
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.0000508
AC:
70
AN:
1376656
Hom.:
0
Cov.:
44
AF XY:
0.0000368
AC XY:
25
AN XY:
679228
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:
0.0000587
Gnomad4 OTH exome
AF:
0.000122
GnomAD4 genome
AF:
0.0000200
AC:
3
AN:
150084
Hom.:
0
Cov.:
32
AF XY:
0.0000136
AC XY:
1
AN XY:
73292
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:
0.0000445
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113

ClinVar

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

Submissions by phenotype

GCGR-related hyperglucagonemia Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingGanetzky Laboratory, Children's Hospital of PhiladelphiaJun 29, 2023PVS1+PM2+PM3+PP4 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

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: rs1296378838; hg19: chr17-79768783; API