rs150568177
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Variant summary
Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2
The NM_000208.4(INSR):c.687C>T(p.Thr229=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000432 in 1,612,472 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.0010 ( 0 hom., cov: 30)
Exomes 𝑓: 0.00037 ( 2 hom. )
Consequence
INSR
NM_000208.4 synonymous
NM_000208.4 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -1.85
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 Benign. Variant got -21 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.86).
BP6
Variant 19-7184603-G-A is Benign according to our data. Variant chr19-7184603-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 211198.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-1.85 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00103 (156/151456) while in subpopulation AFR AF= 0.00315 (129/40954). AF 95% confidence interval is 0.00271. There are 0 homozygotes in gnomad4. There are 71 alleles in male gnomad4 subpopulation. Median coverage is 30. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 2 AD,AR gene
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| INSR | NM_000208.4 | c.687C>T | p.Thr229= | synonymous_variant | 3/22 | ENST00000302850.10 | NP_000199.2 | |
| INSR | NM_001079817.3 | c.687C>T | p.Thr229= | synonymous_variant | 3/21 | NP_001073285.1 | ||
| INSR | XM_011527988.3 | c.687C>T | p.Thr229= | synonymous_variant | 3/22 | XP_011526290.2 | ||
| INSR | XM_011527989.4 | c.687C>T | p.Thr229= | synonymous_variant | 3/21 | XP_011526291.2 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| INSR | ENST00000302850.10 | c.687C>T | p.Thr229= | synonymous_variant | 3/22 | 1 | NM_000208.4 | ENSP00000303830 | A2 | |
| INSR | ENST00000341500.9 | c.687C>T | p.Thr229= | synonymous_variant | 3/21 | 1 | ENSP00000342838 | P3 | ||
| INSR | ENST00000598216.1 | n.662C>T | non_coding_transcript_exon_variant | 3/10 | 1 |
Frequencies
GnomAD3 genomes 0.00103 AC: 156AN: 151336Hom.: 0 Cov.: 30
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GnomAD3 exomes AF: 0.000491 AC: 121AN: 246626Hom.: 0 AF XY: 0.000462 AC XY: 62AN XY: 134296
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GnomAD4 exome AF: 0.000370 AC: 540AN: 1461016Hom.: 2 Cov.: 32 AF XY: 0.000359 AC XY: 261AN XY: 726810
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GnomAD4 genome 0.00103 AC: 156AN: 151456Hom.: 0 Cov.: 30 AF XY: 0.000959 AC XY: 71AN XY: 74056
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ClinVar
Significance: Benign/Likely benign
Submissions summary: Benign:6
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:1
| Likely benign, criteria provided, single submitter | clinical testing | Genetic Services Laboratory, University of Chicago | Sep 22, 2016 | - - |
Insulin-resistant diabetes mellitus AND acanthosis nigricans Benign:1
| Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. - |
Rabson-Mendenhall syndrome Benign:1
| Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. - |
not provided Benign:1
| Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Dec 12, 2023 | - - |
Hyperinsulinism due to INSR deficiency Benign:1
| Likely benign, criteria provided, single submitter | research | Clinical Genomics, Uppaluri K&H Personalized Medicine Clinic | - | Potent mutations in this gene can lead to insulin resistance, which presents as impaired glucose tolerance, early onset type 2 diabetes, post prandial hyperglycemia and increased insulin requirement in type 1 diabetes. These mutations in INSR gene can also predispose to coronary artery disease, metabolic syndrome, polycystic ovarian disease and non alcoholic fatty liver disease.However, the role of this particular variant rs150568177 with early onset diabetes mellitus is yet to be ascertained. - |
Leprechaunism syndrome Benign:1
| Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. - |
Computational scores
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Name
Calibrated prediction
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at