17-81810907-CT-C

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP5_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 Uncertain_significance. Variant got 4 ACMG points.

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 linkuse as main transcriptc.247delT p.Trp83fs frameshift_variant 4/14 ENST00000400723.8 NP_000151.1 P47871
GCGRXM_006722277.2 linkuse as main transcriptc.247delT p.Trp83fs frameshift_variant 4/14 XP_006722340.1 P47871
GCGRXM_017024446.2 linkuse as main transcriptc.241delT p.Trp81fs frameshift_variant 4/14 XP_016879935.1
GCGRXM_011523539.2 linkuse as main transcriptc.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 linkuse as main transcriptc.247delT p.Trp83fs frameshift_variant 4/141 NM_000160.5 ENSP00000383558.3 P47871
GCGRENST00000570996.5 linkuse as main transcriptc.247delT p.Trp83fs frameshift_variant 4/122 ENSP00000460976.1 I3L454
GCGRENST00000574283.2 linkuse as main transcriptn.331delT non_coding_transcript_exon_variant 2/35
GCGRENST00000573428.1 linkuse as main transcriptc.*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