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rs121913144

Variant summary

Our verdict is Pathogenic. Variant got 11 ACMG points: 11P and 0B. PVS1PM2PP5

The NM_000208.4(INSR):c.3079C>T(p.Arg1027Ter) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,613,928 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

INSR
NM_000208.4 stop_gained

Scores

3
3
1

Clinical Significance

Pathogenic no assertion criteria provided P:2

Conservation

PhyloP100: 2.30
Variant links:
Genes affected
INSR (HGNC:6091): (insulin receptor) This gene encodes a member of the receptor tyrosine kinase family of proteins. The encoded preproprotein is proteolytically processed to generate alpha and beta subunits that form a heterotetrameric receptor. Binding of insulin or other ligands to this receptor activates the insulin signaling pathway, which regulates glucose uptake and release, as well as the synthesis and storage of carbohydrates, lipids and protein. Mutations in this gene underlie the inherited severe insulin resistance syndromes including type A insulin resistance syndrome, Donohue syndrome and Rabson-Mendenhall syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2015]

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 11 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 19-7125462-G-A is Pathogenic according to our data. Variant chr19-7125462-G-A is described in ClinVar as [Pathogenic]. Clinvar id is 14692.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
INSRNM_000208.4 linkuse as main transcriptc.3079C>T p.Arg1027Ter stop_gained 17/22 ENST00000302850.10
INSRNM_001079817.3 linkuse as main transcriptc.3043C>T p.Arg1015Ter stop_gained 16/21
INSRXM_011527988.3 linkuse as main transcriptc.3076C>T p.Arg1026Ter stop_gained 17/22
INSRXM_011527989.4 linkuse as main transcriptc.3040C>T p.Arg1014Ter stop_gained 16/21

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
INSRENST00000302850.10 linkuse as main transcriptc.3079C>T p.Arg1027Ter stop_gained 17/221 NM_000208.4 A2P06213-1
INSRENST00000341500.9 linkuse as main transcriptc.3043C>T p.Arg1015Ter stop_gained 16/211 P3P06213-2

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152094
Hom.:
0
Cov.:
31
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:
0.00
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251414
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135874
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:
0.00000205
AC:
3
AN:
1461834
Hom.:
0
Cov.:
33
AF XY:
0.00000138
AC XY:
1
AN XY:
727206
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152094
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
74278
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:
0.00
Bravo
AF:
0.00000378

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:2
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Insulin-resistant diabetes mellitus AND acanthosis nigricans Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMMar 15, 1991- -
Rabson-Mendenhall syndrome Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMMar 15, 1991- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.63
D
BayesDel_noAF
Pathogenic
0.63
Cadd
Pathogenic
43
Dann
Uncertain
1.0
Eigen
Pathogenic
0.79
Eigen_PC
Uncertain
0.66
FATHMM_MKL
Uncertain
0.91
D
MutationTaster
Benign
1.0
A;A
Vest4
0.94
GERP RS
5.1

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs121913144; hg19: chr19-7125473; API