VCV001037247.6 - ClinVar

NM_001351132.2(PEX5):c.472C>T (p.Arg158Cys)

Germline

Classification

criteria provided, single submitter. Learn more about how ClinVar calculates review status.

Uncertain significance
Uncertain significance (1)

This classification is based on the single submission received

The aggregate germline classification for this variant, typically for a monogenic or Mendelian disorder as in the ACMG/AMP guidelines, or for response to a drug. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the aggregate classification.

Somatic

No data submitted for somatic clinical impact

Somatic

No data submitted for oncogenicity

Variant Details

Identifiers

NM_001351132.2(PEX5):c.472C>T (p.Arg158Cys)

Variation ID: 1037247 Accession: VCV001037247.6

Type and length

single nucleotide variant, 1 bp

Location

Cytogenetic: 12p13.31 12: 7199034 (GRCh38) [ NCBI UCSC ] 12: 7351630 (GRCh37) [ NCBI UCSC ]

Timeline in ClinVar

	First in ClinVar Help The date this variant first appeared in ClinVar with each type of classification.	Last submission Help The date of the most recent submission for each type of classification for this variant.	Last evaluated Help The most recent date that a submitter evaluated this variant for each type of classification.
Germline	Mar 22, 2021	Feb 15, 2026	Dec 16, 2025

HGVS

Nucleotide	Protein	Molecular consequence
NM_001351132.2:c.472C>T MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.	NP_001338061.1:p.Arg158Cys	missense
NM_000319.5:c.472C>T	NP_000310.2:p.Arg158Cys	missense
NM_001131023.2:c.517C>T	NP_001124495.1:p.Arg173Cys	missense
NM_001131024.2:c.472C>T	NP_001124496.1:p.Arg158Cys	missense
NM_001131025.2:c.472C>T	NP_001124497.1:p.Arg158Cys	missense
NM_001131026.2:c.472C>T	NP_001124498.1:p.Arg158Cys	missense
NM_001300789.3:c.472C>T	NP_001287718.2:p.Arg158Cys	missense
NM_001351124.3:c.472C>T	NP_001338053.1:p.Arg158Cys	missense
NM_001351126.2:c.472C>T	NP_001338055.1:p.Arg158Cys	missense
NM_001351127.2:c.472C>T	NP_001338056.1:p.Arg158Cys	missense
NM_001351128.2:c.472C>T	NP_001338057.1:p.Arg158Cys	missense
NM_001351130.3:c.472C>T	NP_001338059.1:p.Arg158Cys	missense
NM_001351131.2:c.472C>T	NP_001338060.1:p.Arg158Cys	missense
NM_001351133.2:c.472C>T	NP_001338062.1:p.Arg158Cys	missense
NM_001351134.2:c.472C>T	NP_001338063.1:p.Arg158Cys	missense
NM_001351135.3:c.517C>T	NP_001338064.2:p.Arg173Cys	missense
NM_001351136.2:c.472C>T	NP_001338065.1:p.Arg158Cys	missense
NM_001351137.3:c.472C>T	NP_001338066.2:p.Arg158Cys	missense
NM_001351138.2:c.517C>T	NP_001338067.1:p.Arg173Cys	missense
NM_001351139.2:c.472C>T	NP_001338068.1:p.Arg158Cys	missense
NM_001351140.2:c.472C>T	NP_001338069.1:p.Arg158Cys	missense
NM_001374645.1:c.472C>T	NP_001361574.1:p.Arg158Cys	missense
NM_001374646.1:c.472C>T	NP_001361575.1:p.Arg158Cys	missense
NM_001374647.2:c.472C>T	NP_001361576.1:p.Arg158Cys	missense
NM_001374648.2:c.472C>T	NP_001361577.1:p.Arg158Cys	missense
NM_001374649.2:c.472C>T	NP_001361578.1:p.Arg158Cys	missense
NC_000012.12:g.7199034C>T
NC_000012.11:g.7351630C>T
NG_008448.1:g.14872C>T

... more HGVS ... less HGVS

Protein change

R173C, R158C

Other names

Canonical SPDI

NC_000012.12:7199033:C:T

Global minor allele frequency (GMAF) Help The global minor allele frequency calculated by the 1000 Genomes Project. The minor allele at this location is indicated in parentheses and may be different from the allele represented by this VCV record.

0.00040 (T)

Allele frequency Help The frequency of the allele represented by this VCV record.

The Genome Aggregation Database (gnomAD), exomes 0.00003

The Genome Aggregation Database (gnomAD), exomes 0.00007

The Genome Aggregation Database (gnomAD) 0.00008

Exome Aggregation Consortium (ExAC) 0.00010

Trans-Omics for Precision Medicine (TOPMed) 0.00011

1000 Genomes Project 0.00040

1000 Genomes Project 30x 0.00047

Links

ClinGen: CA6426150 dbSNP: rs747679909 VarSome

Genes

Gene	OMIM	ClinGen Gene Dosage Sensitivity Curation		Variation Viewer Help Links to Variation Viewer, a genome browser to view variation data from NCBI databases.	Related variants
Gene	OMIM	HI score Help The haploinsufficiency score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.	TS score Help The triplosensitivity score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.		Within gene Help The number of variants in ClinVar that are contained within this gene, with a link to view the list of variants.	All Help The number of variants in ClinVar for this gene, including smaller variants within the gene and larger CNVs that overlap or fully contain the gene.
PEX5		-	-	GRCh38 GRCh38 GRCh37	1096	1154

Conditions - Germline

Condition Help The condition for this variant-condition (RCV) record in ClinVar.	Classification Help The aggregate germline classification for this variant-condition (RCV) record in ClinVar. The number of submissions that contribute to this aggregate classification is shown in parentheses. (# of submissions)	Review status Help The aggregate review status for this variant-condition (RCV) record in ClinVar. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status.	Last evaluated Help The most recent date that a submitter evaluated this variant for the condition.	Variation/condition record Help The RCV accession number, with most recent version number, for the variant-condition record, with a link to the RCV web page.
Peroxisome biogenesis disorder 2B	Uncertain significance (1)	criteria provided, single submitter	Dec 16, 2025	RCV001340371.6

Submissions - Germline

Classification Help The submitted germline classification for each SCV record. (Last evaluated)	Review status Help Stars represent the review status, or the level of review supporting the submitted (SCV) record. This value is calculated by NCBI based on data from the submitter. Read our rules for calculating the review status. This column also includes a link to the submitter’s assertion criteria if provided, and the collection method. (Assertion criteria)	Condition Help The condition for the classification, provided by the submitter for this submitted (SCV) record. This column also includes the affected status and allele origin of individuals observed with this variant.	Submitter Help The submitting organization for this submitted (SCV) record. This column also includes the SCV accession and version number, the date this SCV first appeared in ClinVar, and the date that this SCV was last updated in ClinVar.	Expand all rows Collapse all rows Help This column includes more information supporting the classification, including citations, the comment on classification, and detailed evidence provided as observations of the variant by the submitter.
Uncertain significance (Dec 16, 2025) C Contributing to aggregate classification	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Peroxisome biogenesis disorder 2B	Labcorp Genetics (formerly Invitae), Labcorp Accession: SCV001534178.5 First in ClinVar: Mar 22, 2021 Last updated: Feb 15, 2026	Comment: show This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 158 of the PEX5 protein (p.Arg158Cys). This variant is present in population databases (rs747679909, gnomAD 0.05%). This variant has not been reported in the literature in individuals affected with PEX5-related conditions. ClinVar contains an entry for this variant (Variation ID: 1037247). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt PEX5 protein function with a positive predictive value of 80%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. (less) Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: unknown Observation 1 Collection method: clinical testing Allele origin: germline Affected status: unknown

Comment:

This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 158 of the PEX5 protein (p.Arg158Cys). This variant is present in population databases (rs747679909, gnomAD 0.05%). This variant has not been reported in the literature in individuals affected with PEX5-related conditions. ClinVar contains an entry for this variant (Variation ID: 1037247). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt PEX5 protein function with a positive predictive value of 80%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

Citations for germline classification of this variant

There are no citations for germline classification of this variant in ClinVar. If you know of citations for this variation, please consider submitting that information to ClinVar.

Text-mined citations for rs747679909 ...

These citations are identified by LitVar using the rs number, so they may include citations for more than one variant at this location. Please review the LitVar results carefully for your variant of interest.

Record last updated Feb 15, 2026