Genetic Variant PAX3:c.*108_*109delGG (chr2-222201298-ACC-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_181458.4(PAX3):c.*108_*109delGG variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000375 in 1,598,662 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000067 ( 0 hom., cov: 29)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

PAX3
NM_181458.4 3_prime_UTR

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.31

Publications

1 publications found

Variant links:

Genes affected

PAX3 (HGNC:8617): (paired box 3) This gene is a member of the paired box (PAX) family of transcription factors. Members of the PAX family typically contain a paired box domain and a paired-type homeodomain. These genes play critical roles during fetal development. Mutations in paired box gene 3 are associated with Waardenburg syndrome, craniofacial-deafness-hand syndrome, and alveolar rhabdomyosarcoma. The translocation t(2;13)(q35;q14), which represents a fusion between PAX3 and the forkhead gene, is a frequent finding in alveolar rhabdomyosarcoma. Alternative splicing results in transcripts encoding isoforms with different C-termini. [provided by RefSeq, Jul 2008]

PAX3 Gene-Disease associations (from GenCC):

craniofacial-deafness-hand syndrome
Inheritance: AD, Unknown Classification: DEFINITIVE, SUPPORTIVE, LIMITED Submitted by: Orphanet, G2P, Labcorp Genetics (formerly Invitae)
Waardenburg syndrome
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
Waardenburg syndrome type 1
Inheritance: AR, AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: PanelApp Australia, G2P, Orphanet, Labcorp Genetics (formerly Invitae)
Waardenburg syndrome type 3
Inheritance: AR, AD Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)

PAX3 links:

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ACMG classification

Classification was made for transcript

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

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PAX3	NM_181458.4 link	c.108_109delGG		3_prime_UTR_variant	Exon 9 of 9	ENST00000392070.7	NP_852123.1	P23760-7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PAX3	ENST00000392070.7 link	c.108_109delGG		3_prime_UTR_variant	Exon 9 of 9	1	NM_181458.4	ENSP00000375922.3		P23760-7

Frequencies

GnomAD3 genomes

AF:

0.00000675

AC:

AN:

148218

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.0000149

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000345

AC:

AN:

1450444

Hom.:

AF XY:

0.00000277

AC XY:

AN XY:

721752

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32944

American (AMR)

AF:

0.00

AC:

AN:

44186

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25996

East Asian (EAS)

AF:

0.00

AC:

AN:

35672

South Asian (SAS)

AF:

0.00

AC:

AN:

85522

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52836

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5748

European-Non Finnish (NFE)

AF:

0.00000451

AC:

AN:

1107716

Other (OTH)

AF:

0.00

AC:

AN:

59824

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000675

AC:

AN:

148218

Hom.:

Cov.:

AF XY:

0.0000139

AC XY:

AN XY:

72048

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

39882

American (AMR)

AF:

0.00

AC:

AN:

14820

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3440

East Asian (EAS)

AF:

0.00

AC:

AN:

4872

South Asian (SAS)

AF:

0.00

AC:

AN:

4646

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10078

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000149

AC:

AN:

67226

Other (OTH)

AF:

0.00

AC:

AN:

2030

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000113

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

1.3

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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2-222201298-ACCC-AC

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over