rs11557614

Positions:

• chr11-2160859-G-A

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM1 PM2 PP3_Moderate

The NM_000207.3(INS):​c.113C>T​(p.Ala38Val) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 35)
• Consequence: INS NM_000207.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 6.99

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]

INS-IGF2 (HGNC:):

ACMG classification

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

• PM1: In a hotspot region, there are 7 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 5 uncertain in NM_000207.3
• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.889

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
INS	NM_000207.3	c.113C>T	p.Ala38Val	missense_variant	2/3	ENST00000381330.5
INS-IGF2	NR_003512.4	n.172C>T		non_coding_transcript_exon_variant	2/7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
INS	ENST00000381330.5	c.113C>T	p.Ala38Val	missense_variant	2/3	1	NM_000207.3	P1

Frequencies

GnomAD3 genomes Cov.: 35

GnomAD4 exome Cov.: 89

GnomAD4 genome Cov.: 35

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.93
BayesDel_addAF	Pathogenic	0.31	D
BayesDel_noAF	Pathogenic	0.20
CADD	Uncertain	25
DANN	Pathogenic	1.0
DEOGEN2	Uncertain	0.77	D;D;D;D;.;.
Eigen	Pathogenic	0.70
Eigen_PC	Uncertain	0.59
FATHMM_MKL	Uncertain	0.97	D
LIST_S2	Pathogenic	0.98	D;.;.;D;D;D
M_CAP	Pathogenic	0.73	D
MetaRNN	Pathogenic	0.89	D;D;D;D;D;D
MetaSVM	Pathogenic	0.85	D
MutationAssessor	Benign	0.69	N;.;.;.;.;.
MutationTaster	Benign	1.0	D;D;D;D;D;D
PROVEAN	Uncertain	-3.6	D;D;D;D;D;D
REVEL	Pathogenic	0.86
Sift	Uncertain	0.0010	D;D;D;D;D;D
Sift4G	Uncertain	0.0030	D;D;D;D;.;D
Polyphen		0.99	D;D;D;D;.;D
Vest4		0.92
MutPred		0.62		Gain of sheet (P = 0.0101);Gain of sheet (P = 0.0101);Gain of sheet (P = 0.0101);Gain of sheet (P = 0.0101);Gain of sheet (P = 0.0101);Gain of sheet (P = 0.0101);
MVP		0.90
MPC		0.82
ClinPred		1.0	D
GERP RS		3.5
Varity_R		0.94
gMVP		0.99

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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

Other links and lift over

dbSNP: rs11557614; hg19: chr11-2182089;