dbSNP rs1315359733: PCNT:p.Glu1828Lys (chr21-46411555-G-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_006031.6(PCNT):c.5482G>A(p.Glu1828Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,460,066 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PCNT
NM_006031.6 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.24

Publications

1 publications found

Variant links:

Genes affected

PCNT (HGNC:16068): (pericentrin) The protein encoded by this gene binds to calmodulin and is expressed in the centrosome. It is an integral component of the pericentriolar material (PCM). The protein contains a series of coiled-coil domains and a highly conserved PCM targeting motif called the PACT domain near its C-terminus. The protein interacts with the microtubule nucleation component gamma-tubulin and is likely important to normal functioning of the centrosomes, cytoskeleton, and cell-cycle progression. Mutations in this gene cause Seckel syndrome-4 and microcephalic osteodysplastic primordial dwarfism type II. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2015]

PCNT Gene-Disease associations (from GenCC):

microcephalic osteodysplastic primordial dwarfism type II
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Orphanet, Labcorp Genetics (formerly Invitae), Ambry Genetics
Moyamoya disease
Inheritance: AR Classification: MODERATE Submitted by: Genomics England PanelApp

PCNT links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.17315534).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PCNT	NM_006031.6 link	c.5482G>A	p.Glu1828Lys	missense_variant	Exon 28 of 47	ENST00000359568.10	NP_006022.3	O95613-1
PCNT	NM_001315529.2 link	c.5128G>A	p.Glu1710Lys	missense_variant	Exon 28 of 47		NP_001302458.1	O95613-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PCNT	ENST00000359568.10 link	c.5482G>A	p.Glu1828Lys	missense_variant	Exon 28 of 47	1	NM_006031.6	ENSP00000352572.5		O95613-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000821

AC:

AN:

243524

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.0000678

Gnomad AMR exome

AF:

0.0000291

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:

6.85e-7

AC:

AN:

1460066

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726356

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33456

American (AMR)

AF:

0.0000224

AC:

AN:

44596

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26114

East Asian (EAS)

AF:

0.00

AC:

AN:

39686

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52302

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111566

Other (OTH)

AF:

0.00

AC:

AN:

60334

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000712

Hom.:

Bravo

AF:

0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.077

BayesDel_addAF

Benign

-0.31

BayesDel_noAF

Benign

-0.50

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.082

Eigen

Benign

-0.24

Eigen_PC

Benign

-0.23

FATHMM_MKL

Uncertain

0.81

LIST_S2

Benign

0.85

M_CAP

Benign

0.019

MetaRNN

Benign

0.17

MetaSVM

Benign

-0.85

MutationAssessor

Uncertain

2.3

PhyloP100

1.2

PrimateAI

Uncertain

0.53

PROVEAN

Benign

-2.2

REVEL

Benign

0.069

Sift

Benign

0.11

Sift4G

Benign

0.15

Polyphen

0.83

Vest4

0.34

MutPred

0.16

Gain of ubiquitination at E1828 (P = 0.0048);

MVP

0.46

MPC

0.30

ClinPred

0.21

GERP RS

4.0

Varity_R

0.19

gMVP

0.42

Mutation Taster

=93/7

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over