2-226796916-G-C

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PP3_ModeratePP5

The ENST00000305123.6(IRS1):​c.1823C>G​(p.Thr608Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000388 in 1,545,472 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).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000022 ( 0 hom. )

Consequence

IRS1
ENST00000305123.6 missense

Scores

1
3
14

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 0.733

Publications

18 publications found
Variant links:
Genes affected
IRS1 (HGNC:6125): (insulin receptor substrate 1) This gene encodes a protein which is phosphorylated by insulin receptor tyrosine kinase. Mutations in this gene are associated with type II diabetes and susceptibility to insulin resistance. [provided by RefSeq, Nov 2009]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.855
PP5
Variant 2-226796916-G-C is Pathogenic according to our data. Variant chr2-226796916-G-C is described in ClinVar as Pathogenic. ClinVar VariationId is 29762.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000305123.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
IRS1
NM_005544.3
MANE Select
c.1823C>Gp.Thr608Arg
missense
Exon 1 of 2NP_005535.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
IRS1
ENST00000305123.6
TSL:1 MANE Select
c.1823C>Gp.Thr608Arg
missense
Exon 1 of 2ENSP00000304895.4
ENSG00000272622
ENST00000727652.1
n.166+2076G>C
intron
N/A
ENSG00000272622
ENST00000727653.1
n.348+357G>C
intron
N/A

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152174
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000724
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000505
AC:
1
AN:
198034
AF XY:
0.00000958
show subpopulations
Gnomad AFR exome
AF:
0.0000639
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000215
AC:
3
AN:
1393298
Hom.:
0
Cov.:
37
AF XY:
0.00000146
AC XY:
1
AN XY:
684818
show subpopulations
African (AFR)
AF:
0.0000632
AC:
2
AN:
31652
American (AMR)
AF:
0.00
AC:
0
AN:
37074
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
21312
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39130
South Asian (SAS)
AF:
0.00
AC:
0
AN:
74586
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
49902
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5412
European-Non Finnish (NFE)
AF:
9.29e-7
AC:
1
AN:
1076930
Other (OTH)
AF:
0.00
AC:
0
AN:
57300
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.542
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152174
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74340
show subpopulations
African (AFR)
AF:
0.0000724
AC:
3
AN:
41452
American (AMR)
AF:
0.00
AC:
0
AN:
15284
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5182
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68014
Other (OTH)
AF:
0.00
AC:
0
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000189
ExAC
AF:
0.00000833
AC:
1

ClinVar

ClinVar submissions as Germline

Significance:Pathogenic
Revision:no assertion criteria provided
View on ClinVar
Pathogenic
VUS
Benign
Condition
1
-
-
Type 2 diabetes mellitus (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.15
BayesDel_addAF
Benign
-0.019
T
BayesDel_noAF
Uncertain
-0.080
CADD
Benign
18
DANN
Benign
0.93
DEOGEN2
Benign
0.35
T
Eigen
Benign
-0.43
Eigen_PC
Benign
-0.30
FATHMM_MKL
Benign
0.70
D
LIST_S2
Benign
0.64
T
M_CAP
Benign
0.028
D
MetaRNN
Pathogenic
0.86
D
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
1.4
L
PhyloP100
0.73
PrimateAI
Uncertain
0.56
T
PROVEAN
Benign
-0.64
N
REVEL
Uncertain
0.30
Sift
Benign
0.23
T
Sift4G
Benign
0.57
T
Polyphen
0.42
B
Vest4
0.86
MutPred
0.71
Loss of phosphorylation at T608 (P = 0.0111)
MVP
0.71
MPC
0.37
ClinPred
0.22
T
GERP RS
4.2
Varity_R
0.098
gMVP
0.43
Mutation Taster
=80/20
disease causing (ClinVar)

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: rs104893642; hg19: chr2-227661632; API