2-205440432-C-G

Variant names:

• chr2-205440432-C-G
• rs10185378
• NM_001302769.2:c.2804C>G

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001302769.2(PARD3B):​c.2804C>G​(p.Thr935Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000131 in 152,106 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 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: 𝑓 0.000013 (0 hom., cov: 32)
• Consequence: PARD3B NM_001302769.2 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.84
• Publications: 14 publications found

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]

ACMG classification

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=0.10989526).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PARD3B	NM_001302769.2	c.2804C>G	p.Thr935Ser	missense_variant	Exon 20 of 23	ENST00000406610.7	NP_001289698.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PARD3B	ENST00000406610.7	c.2804C>G	p.Thr935Ser	missense_variant	Exon 20 of 23	1	NM_001302769.2	ENSP00000385848.2

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152106 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0000655

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.000192

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

GnomAD4 exome Cov.: 32

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152106 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74296

African (AFR) AF: 0.00 AC: 0 AN: 41414

American (AMR) AF: 0.0000655 AC: 1 AN: 15258

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.000192 AC: 1 AN: 5202

South Asian (SAS) AF: 0.00 AC: 0 AN: 4822

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10592

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68030

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 1463

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.076
BayesDel_addAF	Benign	-0.27	T
BayesDel_noAF	Benign	-0.63
CADD	Benign	17
DANN	Benign	0.68
DEOGEN2	Benign	0.00095	T;.;.;.;.
Eigen	Benign	-0.67
Eigen_PC	Benign	-0.64
FATHMM_MKL	Benign	0.20	N
LIST_S2	Benign	0.56	T;T;T;T;T
M_CAP	Benign	0.0080	T
MetaRNN	Benign	0.11	T;T;T;T;T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	1.6	L;.;.;.;.
PhyloP100		1.8
PrimateAI	Benign	0.35	T
PROVEAN	Benign	0.020	N;N;N;.;.
REVEL	Benign	0.11
Sift	Benign	0.33	T;T;T;.;.
Sift4G	Benign	0.54	T;T;T;T;T
Polyphen		0.45	B;B;.;.;.
Vest4		0.13
MutPred		0.48		Gain of disorder (P = 0.0408);.;.;.;.;
MVP		0.37
MPC		0.022
ClinPred		0.57	D
GERP RS		4.4
Varity_R		0.058
gMVP		0.094
Mutation Taster		=100/0	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

Other links and lift over

dbSNP: rs10185378; hg19: chr2-206305156;