Variant 1-204190561-A-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_002256.4(KISS1):c.340T>C(p.Trp114Arg) variant causes a missense change. The variant allele was found at a frequency of 0.000000687 in 1,456,154 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in same amino acid change has been previously reported as Uncertain significancein ClinVar.

Frequency

Genomes: not found (cov: 30)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

KISS1
NM_002256.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.52

Variant links:

Genes affected

KISS1 (HGNC:6341): (KiSS-1 metastasis suppressor) This gene is a metastasis suppressor gene that suppresses metastases of melanomas and breast carcinomas without affecting tumorigenicity. The encoded protein may inhibit chemotaxis and invasion and thereby attenuate metastasis in malignant melanomas. Studies suggest a putative role in the regulation of events downstream of cell-matrix adhesion, perhaps involving cytoskeletal reorganization. A protein product of this gene, kisspeptin, stimulates gonadotropin-releasing hormone (GnRH)-induced gonadotropin secretion and regulates the pubertal activation of GnRH neurons. A polymorphism in the terminal exon of this mRNA results in two protein isoforms. An adenosine present at the polymorphic site represents the third position in a stop codon. When the adenosine is absent, a downstream stop codon is utilized and the encoded protein extends for an additional seven amino acid residues. [provided by RefSeq, Jun 2022]

KISS1 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.926

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
KISS1	NM_002256.4 linkuse as main transcript	c.340T>C	p.Trp114Arg	missense_variant	3/3	ENST00000367194.5	NP_002247.3	Q15726

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
KISS1	ENST00000367194.5 linkuse as main transcript	c.340T>C	p.Trp114Arg	missense_variant	3/3	1	NM_002256.4	ENSP00000356162.4		Q15726

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000862

AC:

AN:

231906

Hom.:

AF XY:

0.00000784

AC XY:

AN XY:

127594

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000115

Gnomad SAS 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:

6.87e-7

AC:

AN:

1456154

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

723904

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000253

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Oct 01, 2024

The c.340T>C (p.W114R) alteration is located in exon 3 (coding exon 2) of the KISS1 gene. This alteration results from a T to C substitution at nucleotide position 340, causing the tryptophan (W) at amino acid position 114 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.81

BayesDel_addAF

Uncertain

0.15

BayesDel_noAF

Pathogenic

0.21

CADD

Uncertain

DANN

Benign

0.87

DEOGEN2

Uncertain

0.55

D;T

Eigen

Uncertain

0.51

Eigen_PC

Uncertain

0.41

FATHMM_MKL

Uncertain

0.94

LIST_S2

Benign

0.62

T;T

M_CAP

Pathogenic

0.40

MetaRNN

Pathogenic

0.93

D;D

MetaSVM

Uncertain

0.46

MutationAssessor

Benign

1.6

L;.

PrimateAI

Pathogenic

0.83

PROVEAN

Pathogenic

-11

D;.

REVEL

Pathogenic

0.75

Sift

Benign

0.092

T;.

Sift4G

Pathogenic

0.0

D;D

Polyphen

1.0

D;.

Vest4

0.80

MutPred

0.78

Gain of disorder (P = 2e-04);Gain of disorder (P = 2e-04);

MVP

0.82

MPC

0.58

ClinPred

0.82

GERP RS

4.7

Varity_R

0.63

gMVP

0.10

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over