Genetic Variant NM_005543.4:c.330C>G (chr19-17816920-G-C) – ACMG Classification: Likely_pathogenic (7 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM2PP3_StrongPP5

The NM_005543.4(INSL3):c.330C>G(p.Asn110Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,846 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). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N110S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

INSL3
NM_005543.4 missense

Scores

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 1.80

Publications

4 publications found

Variant links:

Genes affected

INSL3 (HGNC:6086): (insulin like 3) This gene encodes a member of the insulin-like hormone superfamily. The encoded protein is mainly produced in gonadal tissues. Studies of the mouse counterpart suggest that this gene may be involved in the development of urogenital tract and female fertility. This protein may also act as a hormone to regulate growth and differentiation of gubernaculum, and thus mediating intra-abdominal testicular descent. Mutations in this gene may lead to cryptorchidism. Alternate splicing results in multiple transcript variants. [provided by RefSeq, May 2012]

INSL3 Gene-Disease associations (from GenCC):

cryptorchidism
Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics

INSL3 links:

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;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.969

PP5

Variant 19-17816920-G-C is Pathogenic according to our data. Variant chr19-17816920-G-C is described in ClinVar as [Pathogenic]. Clinvar id is 14829.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
INSL3	NM_005543.4 link	c.330C>G	p.Asn110Lys	missense_variant	Exon 2 of 2	ENST00000317306.8	NP_005534.2	P51460-1
INSL3	NM_001265587.2 link	c.425C>G	p.Thr142Ser	missense_variant	Exon 3 of 3		NP_001252516.1	P51460-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
INSL3	ENST00000317306.8 link	c.330C>G	p.Asn110Lys	missense_variant	Exon 2 of 2	1	NM_005543.4	ENSP00000321724.6	P51460-1
INSL3	ENST00000379695.5 link	c.425C>G	p.Thr142Ser	missense_variant	Exon 3 of 3	1		ENSP00000369017.4	P51460-2
INSL3	ENST00000598577.1 link	c.*136C>G		3_prime_UTR_variant	Exon 2 of 2	1		ENSP00000469309.1	M0QXQ3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251316

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000289

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:

6.84e-7

AC:

AN:

1461846

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727224

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.0000224

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53402

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112004

Other (OTH)

AF:

0.00

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

Cryptorchidism

Pathogenic:1

Jan 01, 2003

OMIM

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:literature only

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.80

BayesDel_addAF

Uncertain

0.11

BayesDel_noAF

Benign

-0.59

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Uncertain

0.49

Eigen

Benign

-0.043

Eigen_PC

Benign

-0.12

FATHMM_MKL

Uncertain

0.79

LIST_S2

Benign

0.54

M_CAP

Benign

0.031

MetaRNN

Pathogenic

0.97

MetaSVM

Benign

-1.0

PhyloP100

1.8

PROVEAN

Benign

-1.7

REVEL

Uncertain

0.46

Sift

Uncertain

0.016

Sift4G

Uncertain

0.019

Polyphen

0.97

Vest4

0.32

MutPred

0.83

Gain of glycosylation at N110 (P = 0.0144);

MVP

0.72

ClinPred

0.92

GERP RS

2.8

Varity_R

0.16

Mutation Taster

=30/70

disease causing (ClinVar)

(source)

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

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NM_005543.4:c.330C>G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over