Genetic Variant PKD1:p.Ser3779Arg (chr16-2092121-G-C) – ACMG Classification: Benign (-14 pts)

Variant summary

Our verdict is Benign. The variant received -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_001009944.3(PKD1):c.11337C>G(p.Ser3779Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000539 in 1,612,838 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0029 ( 2 hom., cov: 33)

Exomes 𝑓: 0.00029 ( 3 hom. )

Consequence

PKD1
NM_001009944.3 missense

Scores

Clinical Significance

Benign criteria provided, single submitter B:2

Conservation

PhyloP100: -1.73

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 links:

PKD1-AS1 (HGNC:56035): (PKD1 antisense RNA 1)

PKD1-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -14 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.007088661).

BP6

Variant 16-2092121-G-C is Benign according to our data. Variant chr16-2092121-G-C is described in ClinVar as Benign. ClinVar VariationId is 256900.Status of the report is criteria_provided_single_submitter, 1 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.0029 (441/152298) while in subpopulation AFR AF = 0.01 (417/41574). AF 95% confidence interval is 0.00924. There are 2 homozygotes in GnomAd4. There are 198 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 2 AD,AR gene

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

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
PKD1	NM_001009944.3	MANE Select	c.11337C>G	p.Ser3779Arg	missense	Exon 40 of 46	NP_001009944.3
PKD1	NM_000296.4		c.11334C>G	p.Ser3778Arg	missense	Exon 40 of 46	NP_000287.4
PKD1-AS1	NR_135175.1		n.179+507G>C		intron	N/A

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
PKD1	ENST00000262304.9	TSL:1 MANE Select	c.11337C>G	p.Ser3779Arg	missense	Exon 40 of 46	ENSP00000262304.4
PKD1	ENST00000423118.5	TSL:1	c.11334C>G	p.Ser3778Arg	missense	Exon 40 of 46	ENSP00000399501.1
PKD1	ENST00000485120.1	TSL:3	n.186C>G		non_coding_transcript_exon	Exon 2 of 3

Frequencies

GnomAD3 genomes

AF:

0.00287

AC:

437

AN:

152180

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00996

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00118

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00239

GnomAD2 exomes

AF:

0.000766

AC:

191

AN:

249446

AF XY:

0.000612

show subpopulations

Gnomad AFR exome

AF:

0.0106

Gnomad AMR exome

AF:

0.000376

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000535

Gnomad OTH exome

AF:

0.000329

GnomAD4 exome

AF:

0.000294

AC:

429

AN:

1460540

Hom.:

Cov.:

AF XY:

0.000270

AC XY:

196

AN XY:

726576

show subpopulations

African (AFR)

AF:

0.0110

AC:

368

AN:

33480

American (AMR)

AF:

0.000403

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26126

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52158

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000630

AC:

AN:

1111964

Other (OTH)

AF:

0.000547

AC:

AN:

60372

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

Heterozygous variant carriers

110

137

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00290

AC:

441

AN:

152298

Hom.:

Cov.:

AF XY:

0.00266

AC XY:

198

AN XY:

74466

show subpopulations

African (AFR)

AF:

0.0100

AC:

417

AN:

41574

American (AMR)

AF:

0.00118

AC:

AN:

15300

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68006

Other (OTH)

AF:

0.00237

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.499

Heterozygous variant carriers

106

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000312

Hom.:

Bravo

AF:

0.00338

ESP6500AA

AF:

0.00819

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000892

AC:

108

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

ClinVar submissions as Germline

Significance:Benign

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Polycystic kidney disease (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Benign

-0.43

BayesDel_noAF

Benign

-0.37

CADD

Benign

0.023

(source)

DANN

Uncertain

0.97

DEOGEN2

Benign

0.23

Eigen

Benign

-1.4

Eigen_PC

Benign

-1.7

FATHMM_MKL

Benign

0.0066

LIST_S2

Benign

0.75

MetaRNN

Benign

0.0071

MetaSVM

Benign

-0.93

MutationAssessor

Benign

1.9

PhyloP100

-1.7

PrimateAI

Benign

0.35

PROVEAN

Benign

-1.4

REVEL

Benign

0.16

Sift

Benign

0.089

Sift4G

Benign

0.38

Polyphen

0.064

Vest4

0.18

MutPred

0.44

Loss of glycosylation at S3779 (P = 0.051)

MVP

0.77

ClinPred

0.018

GERP RS

-8.7

Varity_R

0.15

gMVP

0.44

Mutation Taster

=87/13

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

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over