Genetic Variant PEX19:c.*1592G>A (chr1-160277959-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_002857.4(PEX19):c.*1592G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00022 in 695,446 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 Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00025 ( 0 hom. )

Consequence

PEX19
NM_002857.4 3_prime_UTR

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.868

Publications

0 publications found

Variant links:

Genes affected

PEX19 (HGNC:9713): (peroxisomal biogenesis factor 19) This gene is necessary for early peroxisomal biogenesis. It acts both as a cytosolic chaperone and as an import receptor for peroxisomal membrane proteins (PMPs). Peroxins (PEXs) are proteins that are essential for the assembly of functional peroxisomes. The peroxisome biogenesis disorders (PBDs) are a group of genetically heterogeneous autosomal recessive, lethal diseases characterized by multiple defects in peroxisome function. These disorders have at least 14 complementation groups, with more than one phenotype being observed for some complementation groups. Although the clinical features of PBD patients vary, cells from all PBD patients exhibit a defect in the import of one or more classes of peroxisomal matrix proteins into the organelle. Defects in this gene are a cause of Zellweger syndrome (ZWS), as well as peroxisome biogenesis disorder complementation group 14 (PBD-CG14), which is also known as PBD-CGJ. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2010]

PEX19 links:

ENSG00000258465 (HGNC:):

ENSG00000258465 links:

DCAF8-DT (HGNC:55792): (DCAF8 divergent transcript)

DCAF8-DT links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.81).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002857.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
PEX19	NM_002857.4	MANE Select	c.*1592G>A	3_prime_UTR	Exon 8 of 8	NP_002848.1	A0A0S2Z497
PEX19	NM_001193644.1		c.*1600G>A	3_prime_UTR	Exon 8 of 8	NP_001180573.1	P40855
PEX19	NR_036492.2		n.2391G>A	non_coding_transcript_exon	Exon 7 of 7

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
PEX19	ENST00000368072.10	TSL:1 MANE Select	c.*1592G>A	3_prime_UTR	Exon 8 of 8	ENSP00000357051.5	P40855-1
ENSG00000258465	ENST00000485079.1	TSL:3	c.487+172G>A	intron	N/A	ENSP00000450870.1	H0YJ60
PEX19	ENST00000472750.5	TSL:1	n.*2259G>A	non_coding_transcript_exon	Exon 7 of 7	ENSP00000434633.1	P40855-6

Frequencies

GnomAD3 genomes

AF:

0.000112

AC:

AN:

152206

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00461

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000413

AC:

AN:

130806

AF XY:

0.000434

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00592

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000120

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000250

AC:

136

AN:

543240

Hom.:

Cov.:

AF XY:

0.000244

AC XY:

AN XY:

294562

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

15636

American (AMR)

AF:

0.00

AC:

AN:

34552

Ashkenazi Jewish (ASJ)

AF:

0.00580

AC:

115

AN:

19824

East Asian (EAS)

AF:

0.00

AC:

AN:

31626

South Asian (SAS)

AF:

0.00

AC:

AN:

61858

European-Finnish (FIN)

AF:

0.00

AC:

AN:

32606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3290

European-Non Finnish (NFE)

AF:

0.0000319

AC:

AN:

313738

Other (OTH)

AF:

0.000365

AC:

AN:

30110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.488

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000112

AC:

AN:

152206

Hom.:

Cov.:

AF XY:

0.0000672

AC XY:

AN XY:

74384

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41444

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00461

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5202

South Asian (SAS)

AF:

0.00

AC:

AN:

4838

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.490

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000695

Hom.:

Bravo

AF:

0.000125

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

Peroxisome biogenesis disorder 12A (Zellweger) (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.81

CADD

Benign

4.9

(source)

DANN

Benign

0.28

PhyloP100

0.87

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over