Genetic Variant PAX1:p.Ala23Ala (chr20-21705781-G-C) – ACMG Classification: Benign (-7 pts)

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_StrongBP6_ModerateBP7

The NM_001257096.2(PAX1):c.69G>C(p.Ala23Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000019 in 1,262,828 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 Likely benign (★). Synonymous variant affecting the same amino acid position (i.e. A23A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000020 ( 0 hom. )

Consequence

PAX1
NM_001257096.2 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.628

Variant links:

Genes affected

PAX1 (HGNC:8615): (paired box 1) 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. This gene plays a role in pattern formation during embryogenesis and may be essential for development of the vertebral column. This gene is silenced by methylation in ovarian and cervical cancers and may be a tumor suppressor gene. Mutations in this gene are also associated with vertebral malformations. [provided by RefSeq, Mar 2012]

PAX1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -7 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.78).

BP6

Variant 20-21705781-G-C is Benign according to our data. Variant chr20-21705781-G-C is described in ClinVar as [Likely_benign]. Clinvar id is 1980573.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-0.628 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PAX1	NM_001257096.2 link	c.69G>C	p.Ala23Ala	synonymous_variant	Exon 1 of 5	ENST00000613128.5	NP_001244025.1	A0A087WXV5
PAX1	NM_006192.5 link	c.69G>C	p.Ala23Ala	synonymous_variant	Exon 1 of 5		NP_006183.2	P15863-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PAX1	ENST00000613128.5 link	c.69G>C	p.Ala23Ala	synonymous_variant	Exon 1 of 5	1	NM_001257096.2	ENSP00000481334.1		A0A087WXV5
PAX1	ENST00000398485.6 link	c.69G>C	p.Ala23Ala	synonymous_variant	Exon 1 of 5	5		ENSP00000381499.2		P15863-1

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

151090

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:

0.0000296

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000198

AC:

AN:

1111738

Hom.:

Cov.:

AF XY:

0.0000151

AC XY:

AN XY:

530578

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

22832

American (AMR)

AF:

0.00

AC:

AN:

8340

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

14164

East Asian (EAS)

AF:

0.00

AC:

AN:

26622

South Asian (SAS)

AF:

0.00

AC:

AN:

21016

European-Finnish (FIN)

AF:

0.00

AC:

AN:

34712

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3032

European-Non Finnish (NFE)

AF:

0.0000235

AC:

AN:

936630

Other (OTH)

AF:

0.00

AC:

AN:

44390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.507

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000132

AC:

AN:

151090

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

73748

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41316

American (AMR)

AF:

0.00

AC:

AN:

15198

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3448

East Asian (EAS)

AF:

0.00

AC:

AN:

5102

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10320

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000296

AC:

AN:

67578

Other (OTH)

AF:

0.00

AC:

AN:

2076

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.600

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

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Nov 24, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.78

CADD

Benign

2.1

(source)

DANN

Benign

0.67

PhyloP100

-0.63

PromoterAI

-0.013

Neutral

(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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20-21705781-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over