NM_001351132.2:c.1578T>G

Variant names:

Variant summary

Our verdict is Pathogenic. The variant received 20 ACMG points: 20P and 0B. PS1_Very_StrongPM2PP3_ModeratePP5_Very_Strong

The NM_001351132.2(PEX5):c.1578T>G(p.Asn526Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000138 in 1,453,044 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★). Another nucleotide change resulting in the same amino acid substitution has been previously reported as Likely pathogenic in ClinVar.

Frequency

Genomes: not found (cov: 34)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

PEX5
NM_001351132.2 missense

Scores

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:8

Conservation

PhyloP100: 0.891

Publications

14 publications found

Variant links:

Genes affected

PEX5 (HGNC:9719): (peroxisomal biogenesis factor 5) The product of this gene binds to the C-terminal PTS1-type tripeptide peroxisomal targeting signal (SKL-type) and plays an essential role in peroxisomal protein import. 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. The peroxisomal biogenesis disorders are a heterogeneous group with at least 14 complementation groups and with more than 1 phenotype being observed in cases falling into particular 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 neonatal adrenoleukodystrophy (NALD), a cause of Zellweger syndrome (ZWS) as well as may be a cause of infantile Refsum disease (IRD). Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Oct 2008]

PEX5 Gene-Disease associations (from GenCC):

peroxisome biogenesis disorder
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
peroxisome biogenesis disorder 2A (Zellweger)
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
peroxisome biogenesis disorder 2B
Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
rhizomelic chondrodysplasia punctata type 5
Inheritance: AR Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)
Zellweger spectrum disorders
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

PEX5 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 20 ACMG points.

PS1

Transcript NM_001351132.2 (PEX5) is affected with MISSENSE_VARIANT having same AA change as one Pathogenic present in ClinVar as 2978647

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.918

PP5

Variant 12-7209700-T-G is Pathogenic according to our data. Variant chr12-7209700-T-G is described in ClinVar as [Likely_pathogenic]. Clinvar id is 9143.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PEX5	NM_001351132.2 link	c.1578T>G	p.Asn526Lys	missense_variant	Exon 15 of 16	ENST00000675855.1	NP_001338061.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PEX5	ENST00000675855.1 link	c.1578T>G	p.Asn526Lys	missense_variant	Exon 15 of 16		NM_001351132.2	ENSP00000502374.1		P50542-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000138

AC:

AN:

1453044

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

722748

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33236

American (AMR)

AF:

0.00

AC:

AN:

44460

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25826

East Asian (EAS)

AF:

0.00

AC:

AN:

39074

South Asian (SAS)

AF:

0.00

AC:

AN:

86162

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52348

Middle Eastern (MID)

AF:

0.000348

AC:

AN:

5742

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1106402

Other (OTH)

AF:

0.00

AC:

AN:

59794

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

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

Cov.:

Alfa

AF:

0.00

Hom.:

ClinVar

Significance: Pathogenic/Likely pathogenic

Submissions summary: Pathogenic:8

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Peroxisome biogenesis disorder 2A (Zellweger)

Pathogenic:3

May 15, 2020

Baylor Genetics

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant was determined to be pathogenic according to ACMG Guidelines, 2015 [PMID:25741868]. -

May 08, 2023

Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Centre

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:research

- -

Jun 26, 2018

Biochemical Molecular Genetic Laboratory, King Abdulaziz Medical City

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Peroxisome biogenesis disorder 2B

Pathogenic:2

Feb 01, 1995

OMIM

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:literature only

- -

Jun 26, 2018

Biochemical Molecular Genetic Laboratory, King Abdulaziz Medical City

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

not provided

Pathogenic:2

Nov 19, 2021

Revvity Omics, Revvity

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Mar 28, 2019

GeneDx

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Published functional studies demonstrate a damaging effect (Dodt et al., 1995; Shimozawa et al., 1999; Carvalho et al., 2007); Not observed in large population cohorts (Lek et al., 2016); In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; This variant is associated with the following publications: (PMID: 31130284, 11101887, 7719337, 10462504, 18712838, 17532062) -

Rhizomelic chondrodysplasia punctata type 5

Pathogenic:1

Dec 18, 2024

Genomic Medicine Center of Excellence, King Faisal Specialist Hospital and Research Centre

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

1.0

BayesDel_addAF

Uncertain

0.10

BayesDel_noAF

Benign

-0.090

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.57

D;.;.;D;T;.

Eigen

Uncertain

0.42

Eigen_PC

Uncertain

0.27

FATHMM_MKL

Uncertain

0.94

LIST_S2

Pathogenic

0.99

.;D;D;D;D;D

M_CAP

Uncertain

0.17

MetaRNN

Pathogenic

0.92

D;D;D;D;D;D

MetaSVM

Uncertain

0.39

MutationAssessor

Pathogenic

3.7

H;.;.;H;.;.

PhyloP100

0.89

PrimateAI

Pathogenic

0.84

PROVEAN

Pathogenic

-5.8

D;D;D;D;D;D

REVEL

Pathogenic

0.74

Sift

Pathogenic

0.0

D;D;D;D;D;D

Sift4G

Pathogenic

0.0

D;D;D;D;D;D

Polyphen

1.0

D;D;.;D;D;D

Vest4

0.98

MutPred

0.74

.;.;.;.;Gain of catalytic residue at L544 (P = 2e-04);.;

MVP

0.84

MPC

1.0

ClinPred

1.0

GERP RS

0.38

Varity_R

0.97

gMVP

0.85

Mutation Taster

=0/100

disease causing (ClinVar)

(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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over