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Aliases for PRX Gene

Aliases for PRX Gene

  • Periaxin 2 3
  • CMT4F 3 6
  • KIAA1620 4

External Ids for PRX Gene

Summaries for PRX Gene

Entrez Gene Summary for PRX Gene

  • This gene encodes a protein involved in peripheral nerve myelin upkeep. The encoded protein contains 2 PDZ domains which were named after PSD95 (post synaptic density protein), DlgA (Drosophila disc large tumor suppressor), and ZO1 (a mammalian tight junction protein). Two alternatively spliced transcript variants have been described for this gene which encode different protein isoforms and which are targeted differently in the Schwann cell. Mutations in this gene cause Charcot-Marie-Tooth neuoropathy, type 4F and Dejerine-Sottas neuropathy. [provided by RefSeq, Jul 2008]

GeneCards Summary for PRX Gene

PRX (Periaxin) is a Protein Coding gene. Diseases associated with PRX include dejerine-sottas disease and charcot-marie-tooth disease, type 4f. An important paralog of this gene is AHNAK.

UniProtKB/Swiss-Prot for PRX Gene

  • Seems to be required for maintenance of peripheral nerve myelin sheath. May have a role in axon-glial interactions, possibly by interacting with the cytoplasmic domains of integral membrane proteins such as myelin-associated glycoprotein in the periaxonal regions of the Schwann cell plasma membrane. May have a role in the early phases of myelin deposition

Gene Wiki entry for PRX Gene

No data available for Tocris Summary , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for PRX Gene

Genomics for PRX Gene

Genomic Location for PRX Gene

40,393,764 bp from pter
40,413,372 bp from pter
19,609 bases
Minus strand

Genomic View for PRX Gene

UCSC Golden Path with GeneCards custom track
Cytogenetic band:
Genomic Location for PRX Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for PRX Gene

Regulatory Elements for PRX Gene

Proteins for PRX Gene

  • Protein details for PRX Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Protein Accession:
    Secondary Accessions:
    • Q9BXL9
    • Q9HCF2

    Protein attributes for PRX Gene

    1461 amino acids
    Molecular mass:
    154905 Da
    Quaternary structure:
    • Interacts with SCN10A. Found in a complex with SCN10A
    • Sequence=BAB13446.1; Type=Erroneous initiation; Note=Translation N-terminally shortened.; Evidence={ECO:0000305}; Sequence=BAB13446.1; Type=Miscellaneous discrepancy; Note=Aberrant splicing.; Evidence={ECO:0000305};

    Three dimensional structures from OCA and Proteopedia for PRX Gene

    Alternative splice isoforms for PRX Gene


neXtProt entry for PRX Gene

Proteomics data for PRX Gene at MOPED

Post-translational modifications for PRX Gene

  • Modification sites at PhosphoSitePlus
  • Modification sites at neXtProt

Other Protein References for PRX Gene

ENSEMBL proteins:
REFSEQ proteins:

No data available for DME Specific Peptides for PRX Gene

Domains for PRX Gene

Protein Domains for PRX Gene



  • Has a remarkable domain of repetitive pentameric units sometimes followed by a tripeptide spacer, it may separate two functional basic and acidic domains:
    • Q9BXM0
  • The Arg/Lys-rich basic domain functions as a tripartite nuclear localization signal:
    • Q9BXM0
  • Contains 1 PDZ (DHR) domain.:
    • Q9BXM0
  • Belongs to the periaxin family.:
    • Q9BXM0
genes like me logo Genes that share domains with PRX: view

No data available for Gene Families for PRX Gene

Function for PRX Gene

Molecular function for PRX Gene

UniProtKB/Swiss-Prot Function: Seems to be required for maintenance of peripheral nerve myelin sheath. May have a role in axon-glial interactions, possibly by interacting with the cytoplasmic domains of integral membrane proteins such as myelin-associated glycoprotein in the periaxonal regions of the Schwann cell plasma membrane. May have a role in the early phases of myelin deposition

Gene Ontology (GO) - Molecular Function for PRX Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0003674 molecular_function ND --
GO:0005515 protein binding IPI 17474147
genes like me logo Genes that share ontologies with PRX: view
genes like me logo Genes that share phenotypes with PRX: view

Animal Models for PRX Gene

MGI Knock Outs for PRX:

miRNA for PRX Gene

miRTarBase miRNAs that target PRX

No data available for Enzyme Numbers (IUBMB) , Transcription Factor Targeting and HOMER Transcription for PRX Gene

Localization for PRX Gene

Subcellular locations from UniProtKB/Swiss-Prot for PRX Gene

Isoform 1: Cell membrane. Note=Associated with plasma membrane during myelination. {ECO:0000250}.
Isoform 2: Cytoplasm.

Subcellular locations from

Jensen Localization Image for PRX Gene COMPARTMENTS Subcellular localization image for PRX gene
Compartment Confidence
cytosol 2
nucleus 2
plasma membrane 2
cytoskeleton 1
golgi apparatus 1

Gene Ontology (GO) - Cellular Components for PRX Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005575 cellular_component ND --
GO:0005634 nucleus IEA --
GO:0005737 cytoplasm IEA --
GO:0005886 plasma membrane IEA --
genes like me logo Genes that share ontologies with PRX: view

Pathways for PRX Gene

SuperPathways for PRX Gene

No Data Available

Gene Ontology (GO) - Biological Process for PRX Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0008219 cell death --
GO:0008366 axon ensheathment NAS 11133365
genes like me logo Genes that share ontologies with PRX: view

No data available for Pathways by source for PRX Gene

Transcripts for PRX Gene

Unigene Clusters for PRX Gene

Representative Sequences:

Alternative Splicing Database (ASD) splice patterns (SP) for PRX Gene

ExUns: 1 ^ 2a · 2b ^ 3 ^ 4 ^ 5a · 5b ^ 6 ^ 7a · 7b
SP1: - -
SP2: - -

Relevant External Links for PRX Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for PRX Gene

mRNA expression in normal human tissues for PRX Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

mRNA differential expression in normal tissues according to GTEx for PRX Gene

This gene is overexpressed in Nerve - Tibial (32.8).

Integrated Proteomics: protein expression from ProteomicsDB, PaxDb, and MOPED for PRX Gene

SOURCE GeneReport for Unigene cluster for PRX Gene Hs.205457

mRNA Expression by UniProt/SwissProt for PRX Gene

Tissue specificity: Isoform 1 and isoform 2 are found in sciatic nerve and Schwann cells.
genes like me logo Genes that share expressions with PRX: view

Orthologs for PRX Gene

This gene was present in the common ancestor of chordates.

Orthologs for PRX Gene

Organism Taxonomy Gene Similarity Type Details
(Pan troglodytes)
Mammalia PRX 36
  • 98.47 (n)
  • 97.6 (a)
PRX 37
  • 98 (a)
(Bos Taurus)
Mammalia PRX 36
  • 84.28 (n)
  • 83.78 (a)
PRX 37
  • 84 (a)
(Canis familiaris)
Mammalia PRX 36
  • 84.49 (n)
  • 85.79 (a)
PRX 37
  • 87 (a)
(Mus musculus)
Mammalia Prx 36
  • 81.14 (n)
  • 81.5 (a)
Prx 16
Prx 37
  • 81 (a)
(Monodelphis domestica)
Mammalia PRX 37
  • 61 (a)
(Ornithorhynchus anatinus)
Mammalia -- 37
  • 76 (a)
(Rattus norvegicus)
Mammalia Prx 36
  • 80.38 (n)
  • 79.58 (a)
(Anolis carolinensis)
Reptilia PRX 37
  • 35 (a)
(Danio rerio)
Actinopterygii ahnak 37
  • 5 (a)
Species with no ortholog for PRX:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • African malaria mosquito (Anopheles gambiae)
  • Alicante grape (Vitis vinifera)
  • alpha proteobacteria (Wolbachia pipientis)
  • amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • baker's yeast (Saccharomyces cerevisiae)
  • barley (Hordeum vulgare)
  • beta proteobacteria (Neisseria meningitidis)
  • bread mold (Neurospora crassa)
  • chicken (Gallus gallus)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • E. coli (Escherichia coli)
  • filamentous fungi (Aspergillus nidulans)
  • Firmicute bacteria (Streptococcus pneumoniae)
  • fission yeast (Schizosaccharomyces pombe)
  • fruit fly (Drosophila melanogaster)
  • green algae (Chlamydomonas reinhardtii)
  • honey bee (Apis mellifera)
  • K. lactis yeast (Kluyveromyces lactis)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • rainbow trout (Oncorhynchus mykiss)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea squirt (Ciona intestinalis)
  • sea squirt (Ciona savignyi)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • thale cress (Arabidopsis thaliana)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • tropical clawed frog (Silurana tropicalis)
  • wheat (Triticum aestivum)
  • worm (Caenorhabditis elegans)

Evolution for PRX Gene

Gene Tree for PRX (if available)
Gene Tree for PRX (if available)

Paralogs for PRX Gene

Paralogs for PRX Gene

genes like me logo Genes that share paralogs with PRX: view

Variants for PRX Gene

Sequence variations from dbSNP and Humsavar for PRX Gene

SNP ID Clin Chr 19 pos Sequence Context AA Info Type MAF
rs268664 -- 40,415,189(-) CCTCC(C/T)GGGAG upstream-variant-2KB
rs268665 -- 40,413,179(-) aaatc(A/C)ccttt intron-variant
rs268666 -- 40,412,258(+) GAGGC(C/T)ACCTA intron-variant
rs268667 -- 40,411,607(+) CTGGA(C/T)AGGCA intron-variant
rs268668 -- 40,408,811(-) CACCA(A/C)CAACA intron-variant

Structural Variations from Database of Genomic Variants (DGV) for PRX Gene

Variant ID Type Subtype PubMed ID
nsv833831 CNV Loss 17160897
dgv3867n71 CNV Loss 21882294
esv2718564 CNV Deletion 23290073

Relevant External Links for PRX Gene

HapMap Linkage Disequilibrium report
Human Gene Mutation Database (HGMD)
Locus Specific Mutation Databases (LSDB)

Disorders for PRX Gene

(2) OMIM Diseases for PRX Gene (605725)


  • Dejerine-Sottas syndrome (DSS) [MIM:145900]: A severe degenerating neuropathy of the demyelinating Charcot-Marie-Tooth disease category, with onset by age 2 years. Characterized by motor and sensory neuropathy with very slow nerve conduction velocities, increased cerebrospinal fluid protein concentrations, hypertrophic nerve changes, delayed age of walking as well as areflexia. There are both autosomal dominant and autosomal recessive forms of Dejerine-Sottas syndrome. Note=The disease is caused by mutations affecting the gene represented in this entry.
  • Charcot-Marie-Tooth disease 4F (CMT4F) [MIM:614895]: A recessive demyelinating form of Charcot-Marie-Tooth disease, a disorder of the peripheral nervous system, characterized by progressive weakness and atrophy, initially of the peroneal muscles and later of the distal muscles of the arms. Charcot-Marie-Tooth disease is classified in two main groups on the basis of electrophysiologic properties and histopathology: primary peripheral demyelinating neuropathies (designated CMT1 when they are dominantly inherited) and primary peripheral axonal neuropathies (CMT2). Demyelinating neuropathies are characterized by severely reduced nerve conduction velocities (less than 38 m/sec), segmental demyelination and remyelination with onion bulb formations on nerve biopsy, slowly progressive distal muscle atrophy and weakness, absent deep tendon reflexes, and hollow feet. By convention autosomal recessive forms of demyelinating Charcot-Marie-Tooth disease are designated CMT4. CMT4F is characterized by distal sensory impairment and distal muscle weakness and atrophy affecting the lower more than the upper limbs. The age at onset is variable and can range from childhood to adult years. When the onset is in infancy, the phenotype is characterized as Dejerine-Sottas syndrome. {ECO:0000269 PubMed:22847150}. Note=The disease is caused by mutations affecting the gene represented in this entry.

(2) University of Copenhagen DISEASES for PRX Gene

(5) Novoseek inferred disease relationships for PRX Gene

Disease -log(P) Hits PubMed IDs
dejerine-sottas disease 94.1 9
charcot-marie-tooth disease 91.1 12
hereditary neuropathy 72.8 1
sensory neuropathy 69.6 1
polyneuropathy 35.5 1

Relevant External Links for PRX

Genetic Association Database (GAD)
Human Genome Epidemiology (HuGE) Navigator
genes like me logo Genes that share disorders with PRX: view

Publications for PRX Gene

  1. Periaxin mutations cause recessive Dejerine-Sottas neuropathy. (PMID: 11133365) Boerkoel C.F. … Lupski J.R. (Am. J. Hum. Genet. 2001) 3 4 23
  2. A mutation in periaxin is responsible for CMT4F, an autosomal recessive form of Charcot-Marie-Tooth disease. (PMID: 11157804) Guilbot A. … Claustres M. (Hum. Mol. Genet. 2001) 3 4 23
  3. Charcot-Marie-Tooth disease and related neuropathies: mutation distribution and genotype-phenotype correlation. (PMID: 11835375) Boerkoel C.F. … Lupski J.R. (Ann. Neurol. 2002) 3 23 49
  4. Charcot-Marie-Tooth type 4F disease caused by S399fsx410 mutation in the PRX gene. (PMID: 16534116) Kabzinska D. … Hausmanowa-Petrusewicz I. (Neurology 2006) 3 23
  5. Two novel mutations in the GDAP1 and PRX genes in early onset Charcot-Marie-Tooth syndrome. (PMID: 18504680) Auer-Grumbach M. … Janecke A.R. (Neuropediatrics 2008) 3 23

Products for PRX Gene

Sources for PRX Gene

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