rs121913141

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM2PM5PP2PP3_Moderate

The NM_000208.4(INSR):​c.779T>G​(p.Leu260Arg) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,860 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L260P) has been classified as Pathogenic.

Frequency

Genomes: not found (cov: 30)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

INSR
NM_000208.4 missense

Scores

3
9
7

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.14

Publications

7 publications found
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]
INSR Gene-Disease associations (from GenCC):
  • insulin-resistance syndrome type A
    Inheritance: AD, AR Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Genomics England PanelApp, G2P
  • Donohue syndrome
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), Genomics England PanelApp, G2P
  • hyperinsulinism due to INSR deficiency
    Inheritance: AD Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Genomics England PanelApp, Ambry Genetics
  • Rabson-Mendenhall syndrome
    Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Genomics England PanelApp

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr19-7184511-A-G is described in ClinVar as [Pathogenic]. Clinvar id is 14689.Status of the report is no_assertion_criteria_provided, 0 stars.
PP2
Missense variant in the INSR gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 29 curated pathogenic missense variants (we use a threshold of 10). The gene has 9 curated benign missense variants. Gene score misZ: 3.8314 (above the threshold of 3.09). Trascript score misZ: 5.4593 (above the threshold of 3.09). GenCC associations: The gene is linked to Rabson-Mendenhall syndrome, hyperinsulinism due to INSR deficiency, Donohue syndrome, insulin-resistance syndrome type A.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.845

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
INSRNM_000208.4 linkc.779T>G p.Leu260Arg missense_variant Exon 3 of 22 ENST00000302850.10 NP_000199.2 P06213-1
INSRNM_001079817.3 linkc.779T>G p.Leu260Arg missense_variant Exon 3 of 21 NP_001073285.1 P06213-2
INSRXM_011527988.3 linkc.779T>G p.Leu260Arg missense_variant Exon 3 of 22 XP_011526290.2
INSRXM_011527989.4 linkc.779T>G p.Leu260Arg missense_variant Exon 3 of 21 XP_011526291.2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
INSRENST00000302850.10 linkc.779T>G p.Leu260Arg missense_variant Exon 3 of 22 1 NM_000208.4 ENSP00000303830.4 P06213-1
INSRENST00000341500.9 linkc.779T>G p.Leu260Arg missense_variant Exon 3 of 21 1 ENSP00000342838.4 P06213-2
INSRENST00000598216.1 linkn.754T>G non_coding_transcript_exon_variant Exon 3 of 10 1

Frequencies

GnomAD3 genomes
Cov.:
30
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251016
AF XY:
0.00000737
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000882
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461860
Hom.:
0
Cov.:
32
AF XY:
0.00000138
AC XY:
1
AN XY:
727228
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53388
Middle Eastern (MID)
AF:
0.000173
AC:
1
AN:
5768
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1112010
Other (OTH)
AF:
0.00
AC:
0
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
Cov.:
30
Alfa
AF:
0.0000466
Hom.:
0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.24
BayesDel_addAF
Pathogenic
0.21
D
BayesDel_noAF
Uncertain
0.060
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.60
.;D
Eigen
Uncertain
0.32
Eigen_PC
Uncertain
0.38
FATHMM_MKL
Uncertain
0.91
D
LIST_S2
Benign
0.82
T;T
M_CAP
Uncertain
0.28
D
MetaRNN
Pathogenic
0.84
D;D
MetaSVM
Uncertain
0.71
D
MutationAssessor
Benign
1.7
L;L
PhyloP100
5.1
PrimateAI
Uncertain
0.66
T
PROVEAN
Benign
-0.93
N;N
REVEL
Pathogenic
0.65
Sift
Benign
0.34
T;T
Sift4G
Benign
0.34
T;T
Polyphen
0.78
P;P
Vest4
0.74
MutPred
0.70
Loss of stability (P = 0.0478);Loss of stability (P = 0.0478);
MVP
0.97
MPC
2.1
ClinPred
0.73
D
GERP RS
5.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.81
gMVP
0.83
Mutation Taster
=36/64
disease causing

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

Other links and lift over

dbSNP: rs121913141; hg19: chr19-7184522; API