Genetic Variant PARD3:p.Thr1344Asn (chr10-34111200-G-T) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001184785.2(PARD3):c.4031C>A(p.Thr1344Asn) variant causes a missense change. The variant allele was found at a frequency of 0.00000946 in 1,586,096 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000056 ( 0 hom. )

Consequence

PARD3
NM_001184785.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.89

Publications

0 publications found

Variant links:

Genes affected

PARD3 (HGNC:16051): (par-3 family cell polarity regulator) This gene encodes a member of the PARD protein family. PARD family members interact with other PARD family members and other proteins; they affect asymmetrical cell division and direct polarized cell growth. Multiple alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Oct 2011]

PARD3 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.117732525).

BS2

High AC in GnomAd4 at 7 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PARD3	NM_001184785.2 link	c.4031C>A	p.Thr1344Asn	missense_variant	Exon 25 of 25	ENST00000374788.8	NP_001171714.1	Q8TEW0-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PARD3	ENST00000374788.8 link	c.4031C>A	p.Thr1344Asn	missense_variant	Exon 25 of 25	1	NM_001184785.2	ENSP00000363920.3		Q8TEW0-2

Frequencies

GnomAD3 genomes

AF:

0.0000460

AC:

AN:

152230

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000169

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000166

AC:

AN:

240496

AF XY:

0.0000230

show subpopulations

Gnomad AFR exome

AF:

0.000257

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000558

AC:

AN:

1433866

Hom.:

Cov.:

AF XY:

0.00000564

AC XY:

AN XY:

708764

show subpopulations

African (AFR)

AF:

0.000247

AC:

AN:

32436

American (AMR)

AF:

0.00

AC:

AN:

41556

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25050

East Asian (EAS)

AF:

0.00

AC:

AN:

39068

South Asian (SAS)

AF:

0.00

AC:

AN:

84310

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52942

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5632

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1093972

Other (OTH)

AF:

0.00

AC:

AN:

58900

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.519

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000460

AC:

AN:

152230

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74370

show subpopulations

African (AFR)

AF:

0.000169

AC:

AN:

41460

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68038

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.446

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000793

ESP6500AA

AF:

0.000454

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000165

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Aug 21, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.4040C>A (p.T1347N) alteration is located in exon 25 (coding exon 25) of the PARD3 gene. This alteration results from a C to A substitution at nucleotide position 4040, causing the threonine (T) at amino acid position 1347 to be replaced by an asparagine (N). 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

Benign

0.12

BayesDel_addAF

Benign

-0.39

BayesDel_noAF

Benign

-0.51

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.095

.;.;T;.;.;.;.;.

Eigen

Uncertain

0.20

Eigen_PC

Uncertain

0.32

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.95

D;D;D;D;D;D;D;D

M_CAP

Benign

0.0070

MetaRNN

Benign

0.12

T;T;T;T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.55

.;.;N;.;.;.;.;.

PhyloP100

4.9

PrimateAI

Uncertain

0.65

PROVEAN

Benign

-1.2

N;N;N;N;N;N;N;N

REVEL

Benign

0.041

Sift

Benign

0.094

T;T;T;T;D;T;T;D

Sift4G

Benign

0.20

T;T;T;T;T;T;T;T

Polyphen

0.47

P;.;P;P;P;P;P;.

Vest4

0.31

MVP

0.32

MPC

0.26

ClinPred

0.28

GERP RS

5.3

Varity_R

0.13

gMVP

0.27

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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10-34111200-G-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over