Genetic Variant NM_052959.3:c.562G>A (chr11-124619318-G-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

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

The NM_052959.3(PANX3):c.562G>A(p.Glu188Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,284 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PANX3
NM_052959.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.36

Publications

0 publications found

Variant links:

Genes affected

PANX3 (HGNC:20573): (pannexin 3) The protein encoded by this gene belongs to the innexin family. Innexin family members are known to be the structural components of gap junctions. [provided by RefSeq, Jul 2008]

PANX3 links:

LOC124902779 (HGNC:):

LOC124902779 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PANX3	NM_052959.3 link	c.562G>A	p.Glu188Lys	missense_variant	Exon 4 of 4	ENST00000284288.3	NP_443191.1	Q96QZ0
LOC124902779	XR_007062932.1 link	n.3884C>T		non_coding_transcript_exon_variant	Exon 1 of 2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PANX3	ENST00000284288.3 link	c.562G>A	p.Glu188Lys	missense_variant	Exon 4 of 4	1	NM_052959.3	ENSP00000284288.2		Q96QZ0

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461284

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726962

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26066

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86188

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53396

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5566

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111826

Other (OTH)

AF:

0.00

AC:

AN:

60354

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Dec 21, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.562G>A (p.E188K) alteration is located in exon 4 (coding exon 4) of the PANX3 gene. This alteration results from a G to A substitution at nucleotide position 562, causing the glutamic acid (E) at amino acid position 188 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

Pathogenic

0.76

BayesDel_addAF

Benign

-0.026

BayesDel_noAF

Benign

-0.27

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0054

Eigen

Uncertain

0.49

Eigen_PC

Uncertain

0.54

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.92

M_CAP

Benign

0.033

MetaRNN

Uncertain

0.56

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.74

PhyloP100

9.4

PrimateAI

Uncertain

0.77

PROVEAN

Benign

-0.10

REVEL

Benign

0.29

Sift

Benign

1.0

Sift4G

Benign

0.92

Polyphen

1.0

Vest4

0.75

MutPred

0.39

Gain of methylation at E188 (P = 1e-04);

MVP

0.11

MPC

0.64

ClinPred

0.97

GERP RS

5.1

Varity_R

0.37

gMVP

0.62

Mutation Taster

=24/76

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.030

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

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over