rs13306444

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_000207.3(INS):​c.67G>T​(p.Ala23Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000217 in 1,612,514 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign 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. A23T) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 35)
Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

INS
NM_000207.3 missense

Scores

5
13

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.0340
Variant links:
Genes affected
INS (HGNC:6081): (insulin) This gene encodes insulin, a peptide hormone that plays a vital role in the regulation of carbohydrate and lipid metabolism. After removal of the precursor signal peptide, proinsulin is post-translationally cleaved into three peptides: the B chain and A chain peptides, which are covalently linked via two disulfide bonds to form insulin, and C-peptide. Binding of insulin to the insulin receptor (INSR) stimulates glucose uptake. A multitude of mutant alleles with phenotypic effects have been identified, including insulin-dependent diabetes mellitus, permanent neonatal diabetes diabetes mellitus, maturity-onset diabetes of the young type 10 and hyperproinsulinemia. There is a read-through gene, INS-IGF2, which overlaps with this gene at the 5' region and with the IGF2 gene at the 3' region. [provided by RefSeq, May 2020]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.113307714).
BS2
High AC in GnomAdExome4 at 31 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
INSNM_000207.3 linkuse as main transcriptc.67G>T p.Ala23Ser missense_variant 2/3 ENST00000381330.5 NP_000198.1
INS-IGF2NR_003512.4 linkuse as main transcriptn.126G>T non_coding_transcript_exon_variant 2/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
INSENST00000381330.5 linkuse as main transcriptc.67G>T p.Ala23Ser missense_variant 2/31 NM_000207.3 ENSP00000370731 P1P01308-1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152200
Hom.:
0
Cov.:
35
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000121
AC:
3
AN:
247280
Hom.:
0
AF XY:
0.00000744
AC XY:
1
AN XY:
134466
show subpopulations
Gnomad AFR exome
AF:
0.0000622
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000182
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000212
AC:
31
AN:
1460314
Hom.:
0
Cov.:
88
AF XY:
0.0000248
AC XY:
18
AN XY:
726480
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000671
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:
0.0000234
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152200
Hom.:
0
Cov.:
35
AF XY:
0.0000134
AC XY:
1
AN XY:
74352
show subpopulations
Gnomad4 AFR
AF:
0.0000483
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:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113
ExAC
AF:
0.00000826
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.074
BayesDel_addAF
Uncertain
0.092
D
BayesDel_noAF
Uncertain
0.080
CADD
Benign
0.30
DANN
Benign
0.85
DEOGEN2
Benign
0.0060
T;T;T;T;.;.
Eigen
Benign
-1.4
Eigen_PC
Benign
-1.5
FATHMM_MKL
Benign
0.036
N
LIST_S2
Benign
0.045
T;.;.;T;T;T
M_CAP
Uncertain
0.22
D
MetaRNN
Benign
0.11
T;T;T;T;T;T
MetaSVM
Uncertain
0.067
D
MutationAssessor
Benign
0.0
N;.;.;.;.;.
MutationTaster
Benign
1.0
N;N;N;N;N;N
PROVEAN
Benign
0.61
N;N;N;N;N;N
REVEL
Uncertain
0.53
Sift
Benign
0.17
T;T;T;T;T;T
Sift4G
Benign
0.55
T;T;T;T;.;T
Polyphen
0.0090
B;B;B;B;.;B
Vest4
0.14
MutPred
0.41
Gain of glycosylation at A23 (P = 0.0148);Gain of glycosylation at A23 (P = 0.0148);Gain of glycosylation at A23 (P = 0.0148);Gain of glycosylation at A23 (P = 0.0148);Gain of glycosylation at A23 (P = 0.0148);Gain of glycosylation at A23 (P = 0.0148);
MVP
0.13
MPC
0.24
ClinPred
0.047
T
GERP RS
-0.26
Varity_R
0.13
gMVP
0.73

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: rs13306444; hg19: chr11-2182135; COSMIC: COSV51747007; COSMIC: COSV51747007; API