Genetic Variant PKD1:p.Val1339Leu (chr16-2111152-C-A) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001009944.3(PKD1):c.4015G>T(p.Val1339Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict 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. V1339M) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Consequence

PKD1
NM_001009944.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.07

Publications

0 publications found

Variant links:

Genes affected

PKD1 (HGNC:9008): (polycystin 1, transient receptor potential channel interacting) This gene encodes a member of the polycystin protein family. The encoded glycoprotein contains a large N-terminal extracellular region, multiple transmembrane domains and a cytoplasmic C-tail. It is an integral membrane protein that functions as a regulator of calcium permeable cation channels and intracellular calcium homoeostasis. It is also involved in cell-cell/matrix interactions and may modulate G-protein-coupled signal-transduction pathways. It plays a role in renal tubular development, and mutations in this gene cause autosomal dominant polycystic kidney disease type 1 (ADPKD1). ADPKD1 is characterized by the growth of fluid-filled cysts that replace normal renal tissue and result in end-stage renal failure. Splice variants encoding different isoforms have been noted for this gene. Also, six pseudogenes, closely linked in a known duplicated region on chromosome 16p, have been described. [provided by RefSeq, Oct 2008]

PKD1 Gene-Disease associations (from GenCC):

autosomal dominant polycystic kidney disease
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
polycystic kidney disease 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
autosomal recessive polycystic kidney disease
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
Caroli disease
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp

PKD1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.29563925).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001009944.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PKD1	NM_001009944.3	MANE Select	c.4015G>T	p.Val1339Leu	missense	Exon 15 of 46	NP_001009944.3	P98161-1
	PKD1	NM_000296.4		c.4015G>T	p.Val1339Leu	missense	Exon 15 of 46	NP_000287.4

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PKD1	ENST00000262304.9	TSL:1 MANE Select	c.4015G>T	p.Val1339Leu	missense	Exon 15 of 46	ENSP00000262304.4	P98161-1
PKD1	ENST00000423118.5	TSL:1	c.4015G>T	p.Val1339Leu	missense	Exon 15 of 46	ENSP00000399501.1	P98161-3
PKD1	ENST00000488185.2	TSL:5	c.471-2794G>T		intron	N/A	ENSP00000456672.1	H3BSE9

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000811

AC:

AN:

246616

AF XY:

0.0000149

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000181

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ExAC

AF:

0.0000166

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.14

BayesDel_addAF

Benign

-0.19

BayesDel_noAF

Benign

-0.49

CADD

Benign

0.12

(source)

DANN

Benign

0.69

DEOGEN2

Benign

0.35

Eigen

Benign

-0.87

Eigen_PC

Benign

-1.0

FATHMM_MKL

Benign

0.087

LIST_S2

Benign

0.84

M_CAP

Pathogenic

0.59

MetaRNN

Benign

0.30

MetaSVM

Benign

-0.92

MutationAssessor

Uncertain

2.4

PhyloP100

-1.1

PrimateAI

Benign

0.32

PROVEAN

Benign

-1.3

REVEL

Benign

0.13

Sift

Benign

0.25

Sift4G

Uncertain

0.040

Polyphen

0.62

Vest4

0.32

MutPred

0.51

Gain of sheet (P = 0.0344)

MVP

0.69

ClinPred

0.20

GERP RS

-0.24

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.064

gMVP

0.36

Mutation Taster

=82/18

polymorphism

(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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over