2-205118988-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001302769.2(PARD3B):​c.748G>A​(p.Glu250Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000054 in 1,611,798 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000085 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000051 ( 0 hom. )

Consequence

PARD3B
NM_001302769.2 missense

Scores

7
9
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.46
Variant links:
Genes affected
PARD3B (HGNC:14446): (par-3 family cell polarity regulator beta) Predicted to enable phosphatidylinositol binding activity. Predicted to be involved in several processes, including establishment of cell polarity; establishment of centrosome localization; and establishment or maintenance of epithelial cell apical/basal polarity. Located in cell junction. Part of protein-containing complex. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PARD3BNM_001302769.2 linkuse as main transcriptc.748G>A p.Glu250Lys missense_variant 7/23 ENST00000406610.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PARD3BENST00000406610.7 linkuse as main transcriptc.748G>A p.Glu250Lys missense_variant 7/231 NM_001302769.2 P1Q8TEW8-1

Frequencies

GnomAD3 genomes
AF:
0.0000789
AC:
12
AN:
152048
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00173
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000687
AC:
17
AN:
247392
Hom.:
0
AF XY:
0.0000819
AC XY:
11
AN XY:
134348
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00140
Gnomad EAS exome
AF:
0.0000563
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000178
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000507
AC:
74
AN:
1459632
Hom.:
0
Cov.:
30
AF XY:
0.0000537
AC XY:
39
AN XY:
726132
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000226
Gnomad4 ASJ exome
AF:
0.00184
Gnomad4 EAS exome
AF:
0.0000506
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000144
Gnomad4 OTH exome
AF:
0.000116
GnomAD4 genome
AF:
0.0000854
AC:
13
AN:
152166
Hom.:
0
Cov.:
32
AF XY:
0.0000538
AC XY:
4
AN XY:
74386
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00173
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000158
Hom.:
0
Bravo
AF:
0.0000567
ExAC
AF:
0.0000662
AC:
8
Asia WGS
AF:
0.00144
AC:
5
AN:
3478
EpiCase
AF:
0.00
EpiControl
AF:
0.0000598

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsFeb 28, 2023The c.748G>A (p.E250K) alteration is located in exon 7 (coding exon 7) of the PARD3B gene. This alteration results from a G to A substitution at nucleotide position 748, causing the glutamic acid (E) at amino acid position 250 to be replaced by a lysine (K). 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
0.18
BayesDel_addAF
Pathogenic
0.29
D
BayesDel_noAF
Pathogenic
0.35
CADD
Pathogenic
30
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.10
T;T;.;.;.;.;.;T
Eigen
Pathogenic
0.83
Eigen_PC
Pathogenic
0.82
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.97
D;D;D;D;D;D;D;D
M_CAP
Uncertain
0.088
D
MetaRNN
Uncertain
0.46
T;T;T;T;T;T;T;T
MetaSVM
Uncertain
0.35
D
MutationAssessor
Uncertain
2.6
M;.;M;M;M;.;.;.
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.72
T
PROVEAN
Uncertain
-3.9
D;.;D;D;D;.;.;.
REVEL
Pathogenic
0.72
Sift
Uncertain
0.014
D;.;D;D;D;.;.;.
Sift4G
Uncertain
0.0030
D;D;D;D;D;D;D;D
Polyphen
1.0
D;.;D;.;D;.;.;.
Vest4
0.95
MutPred
0.51
Gain of methylation at E250 (P = 0.0271);Gain of methylation at E250 (P = 0.0271);Gain of methylation at E250 (P = 0.0271);Gain of methylation at E250 (P = 0.0271);Gain of methylation at E250 (P = 0.0271);.;.;.;
MVP
0.94
MPC
0.19
ClinPred
0.80
D
GERP RS
5.7
Varity_R
0.55
gMVP
0.72

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs368878317; hg19: chr2-205983712; COSMIC: COSV62505397; API