chr19-7141761-G-A

Position:

• chr19-7141761-G-A

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_Strong BP6 BP7 BS1

The ENST00000302850.10(INSR):​c.2598C>T​(p.Val866=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000186 in 1,614,054 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

• Frequency:
  • Genomes: 𝑓 0.000072 (0 hom., cov: 31)
  • Exomes 𝑓: 0.000013 (0 hom.)
• Consequence: INSR ENST00000302850.10 synonymous
• Clinical Significance: Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1 B:1
• Conservation: PhyloP100: -5.52

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]

ACMG classification

Verdict is Benign. Variant got -10 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.85).
• BP6: Variant 19-7141761-G-A is Benign according to our data. Variant chr19-7141761-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 211193.We mark this variant Likely_benign, oryginal submissions are: {Uncertain_significance=1, Likely_benign=1}. Variant chr19-7141761-G-A is described in Lovd as [Likely_benign].
• BP7: Synonymous conserved (PhyloP=-5.52 with no splicing effect.
• BS1: Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.0000723 (11/152184) while in subpopulation EAS AF= 0.000193 (1/5184). AF 95% confidence interval is 0.0000789. There are 0 homozygotes in gnomad4. There are 5 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
INSR	NM_000208.4	c.2598C>T	p.Val866=	synonymous_variant	13/22	ENST00000302850.10	NP_000199.2
INSR	NM_001079817.3	c.2562C>T	p.Val854=	synonymous_variant	12/21		NP_001073285.1
INSR	XM_011527988.3	c.2598C>T	p.Val866=	synonymous_variant	13/22		XP_011526290.2
INSR	XM_011527989.4	c.2562C>T	p.Val854=	synonymous_variant	12/21		XP_011526291.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
INSR	ENST00000302850.10	c.2598C>T	p.Val866=	synonymous_variant	13/22	1	NM_000208.4	ENSP00000303830	A2
INSR	ENST00000341500.9	c.2562C>T	p.Val854=	synonymous_variant	12/21	1		ENSP00000342838	P3
INSR	ENST00000597211.1	n.281C>T		non_coding_transcript_exon_variant	2/2	3

Frequencies

GnomAD3 genomes AF: 0.0000723 AC: 11 AN: 152184 Hom.: 0 Cov.: 31

Gnomad AFR AF: 0.000169

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0000655

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.000193

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

GnomAD4 exome AF: 0.0000130 AC: 19 AN: 1461870 Hom.: 0 Cov.: 31 AF XY: 0.0000138 AC XY: 10 AN XY: 727240

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.0000224

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.000176

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000629

Gnomad4 OTH exome AF: 0.0000497

GnomAD4 genome AF: 0.0000723 AC: 11 AN: 152184 Hom.: 0 Cov.: 31 AF XY: 0.0000673 AC XY: 5 AN XY: 74338

Gnomad4 AFR AF: 0.000169

Gnomad4 AMR AF: 0.0000655

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.000193

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000294

Gnomad4 OTH AF: 0.00

Alfa AF: 0.0000712 Hom.: 0

Bravo AF: 0.0000567

Asia WGS AF: 0.000289 AC: 1 AN: 3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1 Benign:1

Revision: criteria provided, conflicting classifications

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Genetic Services Laboratory, University of Chicago

Jan 21, 2015

- -

not provided Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jul 24, 2021

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.85
CADD	Benign	0.088
DANN	Benign	0.58

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.020		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: rs797045625; hg19: chr19-7141772;