16-2091470-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 4P and 1B. PM1PM2BP4

The NM_001009944.3(PKD1):​c.11665G>A​(p.Ala3889Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000848 in 1,179,524 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. A3889S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 8.5e-7 ( 0 hom. )

Consequence

PKD1
NM_001009944.3 missense

Scores

1
2
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.378

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

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM1
In a hotspot region, there are 2 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 2 benign, 12 uncertain in NM_001009944.3
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.3715164).

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.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PKD1
NM_001009944.3
MANE Select
c.11665G>Ap.Ala3889Thr
missense
Exon 42 of 46NP_001009944.3P98161-1
PKD1
NM_000296.4
c.11662G>Ap.Ala3888Thr
missense
Exon 42 of 46NP_000287.4
PKD1-AS1
NR_135175.1
n.35C>T
non_coding_transcript_exon
Exon 1 of 3

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PKD1
ENST00000262304.9
TSL:1 MANE Select
c.11665G>Ap.Ala3889Thr
missense
Exon 42 of 46ENSP00000262304.4P98161-1
PKD1
ENST00000423118.5
TSL:1
c.11662G>Ap.Ala3888Thr
missense
Exon 42 of 46ENSP00000399501.1P98161-3
PKD1
ENST00000485120.1
TSL:3
n.654G>A
non_coding_transcript_exon
Exon 3 of 3

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
8.48e-7
AC:
1
AN:
1179524
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
577028
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
21080
American (AMR)
AF:
0.00
AC:
0
AN:
9296
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
15040
East Asian (EAS)
AF:
0.00
AC:
0
AN:
22286
South Asian (SAS)
AF:
0.00
AC:
0
AN:
56644
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
28416
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
3246
European-Non Finnish (NFE)
AF:
0.00000102
AC:
1
AN:
977148
Other (OTH)
AF:
0.00
AC:
0
AN:
46368
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
Cov.:
33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.095
BayesDel_addAF
Benign
-0.19
T
BayesDel_noAF
Benign
-0.51
CADD
Benign
12
DANN
Benign
0.81
DEOGEN2
Benign
0.14
T
Eigen
Benign
-0.99
Eigen_PC
Benign
-1.0
FATHMM_MKL
Benign
0.56
D
LIST_S2
Benign
0.69
T
M_CAP
Pathogenic
0.74
D
MetaRNN
Benign
0.37
T
MetaSVM
Benign
-0.98
T
MutationAssessor
Benign
1.0
L
PhyloP100
0.38
PrimateAI
Uncertain
0.72
T
PROVEAN
Benign
0.42
N
REVEL
Benign
0.060
Sift
Benign
1.0
T
Sift4G
Uncertain
0.017
D
Polyphen
0.0090
B
Vest4
0.13
MutPred
0.45
Gain of phosphorylation at A3889 (P = 0.021)
MVP
0.51
ClinPred
0.078
T
GERP RS
-1.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.11
gMVP
0.41
Mutation Taster
=69/31
polymorphism

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

Other links and lift over

dbSNP: rs1300036375; hg19: chr16-2141471; API