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Aliases for CNTNAP1 Gene

Aliases for CNTNAP1 Gene

  • Contactin Associated Protein 1 2 3
  • NRXN4 3 4 6
  • CASPR 3 4 6
  • P190 3 4 6
  • Neurexin IV 3 4
  • Neurexin-4 3 4
  • Caspr1 3 4
  • Contactin-Associated Protein 1 3
  • Neurexin 4 2
  • CNTNAP 3

External Ids for CNTNAP1 Gene

Previous HGNC Symbols for CNTNAP1 Gene

  • NRXN4

Previous GeneCards Identifiers for CNTNAP1 Gene

  • GC17P040350
  • GC17P042999
  • GC17P040743
  • GC17P041207
  • GC17P038088
  • GC17P040835
  • GC17P036601

Summaries for CNTNAP1 Gene

Entrez Gene Summary for CNTNAP1 Gene

  • The gene product was initially identified as a 190-kD protein associated with the contactin-PTPRZ1 complex. The 1,384-amino acid protein, also designated p190 or CASPR for 'contactin-associated protein,' includes an extracellular domain with several putative protein-protein interaction domains, a putative transmembrane domain, and a 74-amino acid cytoplasmic domain. Northern blot analysis showed that the gene is transcribed predominantly in brain as a transcript of 6.2 kb, with weak expression in several other tissues tested. The architecture of its extracellular domain is similar to that of neurexins, and this protein may be the signaling subunit of contactin, enabling recruitment and activation of intracellular signaling pathways in neurons. [provided by RefSeq, Jan 2009]

GeneCards Summary for CNTNAP1 Gene

CNTNAP1 (Contactin Associated Protein 1) is a Protein Coding gene. Diseases associated with CNTNAP1 include hypomyelination neuropathy - arthrogryposis. Among its related pathways are L1CAM interactions and L1CAM interactions. GO annotations related to this gene include receptor activity and SH3/SH2 adaptor activity. An important paralog of this gene is CNTNAP3.

UniProtKB/Swiss-Prot for CNTNAP1 Gene

  • Seems to play a role in the formation of functional distinct domains critical for saltatory conduction of nerve impulses in myelinated nerve fibers. Seems to demarcate the paranodal region of the axo-glial junction. In association with contactin may have a role in the signaling between axons and myelinating glial cells

No data available for Tocris Summary , Gene Wiki entry , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for CNTNAP1 Gene

Genomics for CNTNAP1 Gene

Regulatory Elements for CNTNAP1 Gene

Transcription factor binding sites by QIAGEN in the CNTNAP1 gene promoter:

Genomic Location for CNTNAP1 Gene

42,680,395 bp from pter
42,699,993 bp from pter
19,599 bases
Plus strand

Genomic View for CNTNAP1 Gene

UCSC Golden Path with GeneCards custom track
Cytogenetic band:
Genomic Location for CNTNAP1 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for CNTNAP1 Gene

Proteins for CNTNAP1 Gene

  • Protein details for CNTNAP1 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Contactin-associated protein 1
    Protein Accession:
    Secondary Accessions:

    Protein attributes for CNTNAP1 Gene

    1384 amino acids
    Molecular mass:
    156267 Da
    Quaternary structure:
    • Interacts with contactin in cis form.

neXtProt entry for CNTNAP1 Gene

Proteomics data for CNTNAP1 Gene at MOPED

Post-translational modifications for CNTNAP1 Gene

  • Glycosylation at Asn120, Asn128, Asn276, Asn420, Asn499, Asn518, Asn597, Asn653, Asn664, Asn763, Asn804, Asn843, Asn860, Asn948, Asn956, Asn1078, and Asn1147
  • Modification sites at PhosphoSitePlus

Other Protein References for CNTNAP1 Gene

ENSEMBL proteins:
Reactome Protein details:
REFSEQ proteins:

No data available for DME Specific Peptides for CNTNAP1 Gene

Domains for CNTNAP1 Gene

Suggested Antigen Peptide Sequences for CNTNAP1 Gene

GenScript: Design optimal peptide antigens:

Graphical View of Domain Structure for InterPro Entry



  • P78357
  • Contains 2 EGF-like domains.
  • Contains 1 F5/8 type C domain.
  • Contains 1 fibrinogen C-terminal domain.
  • Contains 4 laminin G-like domains.
  • Belongs to the neurexin family.
genes like me logo Genes that share domains with CNTNAP1: view

No data available for Gene Families for CNTNAP1 Gene

Function for CNTNAP1 Gene

Molecular function for CNTNAP1 Gene

UniProtKB/Swiss-Prot Function: Seems to play a role in the formation of functional distinct domains critical for saltatory conduction of nerve impulses in myelinated nerve fibers. Seems to demarcate the paranodal region of the axo-glial junction. In association with contactin may have a role in the signaling between axons and myelinating glial cells

Gene Ontology (GO) - Molecular Function for CNTNAP1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0004872 receptor activity TAS 9118959
GO:0005070 SH3/SH2 adaptor activity TAS 9118959
GO:0005515 protein binding IPI 17474147
GO:0017124 SH3 domain binding ISS --
genes like me logo Genes that share ontologies with CNTNAP1: view
genes like me logo Genes that share phenotypes with CNTNAP1: view

Animal Models for CNTNAP1 Gene

MGI Knock Outs for CNTNAP1:

miRNA for CNTNAP1 Gene

miRTarBase miRNAs that target CNTNAP1

No data available for Enzyme Numbers (IUBMB) , Transcription Factor Targeting and HOMER Transcription for CNTNAP1 Gene

Localization for CNTNAP1 Gene

Subcellular locations from UniProtKB/Swiss-Prot for CNTNAP1 Gene

Membrane; Single-pass type I membrane protein.

Subcellular locations from

Jensen Localization Image for CNTNAP1 Gene COMPARTMENTS Subcellular localization image for CNTNAP1 gene
Compartment Confidence
plasma membrane 4
extracellular 2
cytoskeleton 1
lysosome 1
mitochondrion 1
peroxisome 1

Gene Ontology (GO) - Cellular Components for CNTNAP1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005887 integral component of plasma membrane TAS 9118959
GO:0008076 colocalizes_with voltage-gated potassium channel complex ISS --
GO:0016021 integral component of membrane ISS --
GO:0030424 axon --
GO:0033270 paranode region of axon ISS --
genes like me logo Genes that share ontologies with CNTNAP1: view

Pathways for CNTNAP1 Gene

genes like me logo Genes that share pathways with CNTNAP1: view

Pathways by source for CNTNAP1 Gene

1 KEGG pathway for CNTNAP1 Gene

Gene Ontology (GO) - Biological Process for CNTNAP1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0002175 protein localization to paranode region of axon ISS --
GO:0007010 cytoskeleton organization ISS --
GO:0007155 cell adhesion IEA --
GO:0007165 signal transduction TAS 9118959
GO:0007411 axon guidance TAS --
genes like me logo Genes that share ontologies with CNTNAP1: view

Compounds for CNTNAP1 Gene

(4) Novoseek inferred chemical compound relationships for CNTNAP1 Gene

Compound -log(P) Hits PubMed IDs
sodium 41.1 3
potassium 23.1 3
phosphatidylinositol 16.2 1
tyrosine 1.98 5
genes like me logo Genes that share compounds with CNTNAP1: view

Transcripts for CNTNAP1 Gene

mRNA/cDNA for CNTNAP1 Gene

Unigene Clusters for CNTNAP1 Gene

Contactin associated protein 1:
Representative Sequences:

Alternative Splicing Database (ASD) splice patterns (SP) for CNTNAP1 Gene

No ASD Table

Relevant External Links for CNTNAP1 Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for CNTNAP1 Gene

mRNA expression in normal human tissues for CNTNAP1 Gene

mRNA differential expression in normal tissues according to GTEx for CNTNAP1 Gene

This gene is overexpressed in Brain - Cortex (4.4) and Brain - Cerebellum (4.0).

Integrated Proteomics: protein expression from ProteomicsDB, PaxDb, MOPED, and MaxQB for CNTNAP1 Gene

SOURCE GeneReport for Unigene cluster for CNTNAP1 Gene Hs.408730

mRNA Expression by UniProt/SwissProt for CNTNAP1 Gene

Tissue specificity: Predominantly expressed in brain. Weak expression detected in ovary, pancreas, colon, lung, heart, intestine and testis
genes like me logo Genes that share expressions with CNTNAP1: view

Orthologs for CNTNAP1 Gene

This gene was present in the common ancestor of animals.

Orthologs for CNTNAP1 Gene

Organism Taxonomy Gene Similarity Type Details
(Pan troglodytes)
Mammalia CNTNAP1 35
  • 99.76 (n)
  • 100 (a)
  • 100 (a)
(Bos Taurus)
Mammalia CNTNAP1 35
  • 90.58 (n)
  • 96.03 (a)
  • 96 (a)
(Canis familiaris)
Mammalia CNTNAP1 35
  • 90.97 (n)
  • 96.22 (a)
  • 96 (a)
(Mus musculus)
Mammalia Cntnap1 35
  • 87.93 (n)
  • 93.35 (a)
Cntnap1 16
Cntnap1 36
  • 93 (a)
(Monodelphis domestica)
Mammalia CNTNAP1 36
  • 78 (a)
(Ornithorhynchus anatinus)
Mammalia CNTNAP1 36
  • 45 (a)
(Rattus norvegicus)
Mammalia Cntnap1 35
  • 87.9 (n)
  • 93.77 (a)
(Gallus gallus)
Aves CNTNAP1 35
  • 70.22 (n)
  • 66.98 (a)
  • 63 (a)
(Anolis carolinensis)
Reptilia CNTNAP1 36
  • 60 (a)
tropical clawed frog
(Silurana tropicalis)
Amphibia cntnap1 35
  • 60.74 (n)
  • 59 (a)
(Danio rerio)
Actinopterygii CNTNAP1 36
  • 50 (a)
LOC566220 35
  • 57.55 (n)
  • 51.96 (a)
fruit fly
(Drosophila melanogaster)
Insecta Nrx-IV 36
  • 30 (a)
Nrx 37
  • 29 (a)
(Caenorhabditis elegans)
Secernentea nlr-1 36
  • 22 (a)
Species with no ortholog for CNTNAP1:
  • 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)
  • 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)
  • 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)
  • wheat (Triticum aestivum)

Evolution for CNTNAP1 Gene

Gene Tree for CNTNAP1 (if available)
Gene Tree for CNTNAP1 (if available)

Paralogs for CNTNAP1 Gene

Paralogs for CNTNAP1 Gene

Selected SIMAP similar genes for CNTNAP1 Gene using alignment to 3 proteins:

genes like me logo Genes that share paralogs with CNTNAP1: view

Variants for CNTNAP1 Gene

Sequence variations from dbSNP and Humsavar for CNTNAP1 Gene

SNP ID Clin Chr 17 pos Sequence Context AA Info Type MAF
rs874640 -- 42,691,374(+) ATCCT(G/T)CCCCC intron-variant
rs1046888 -- 42,699,186(+) GTTGA(C/T)ATAGG utr-variant-3-prime
rs1553468 -- 42,697,824(-) CCTTC(C/T)GTCCT intron-variant
rs1553469 -- 42,690,744(-) CGCTC(G/T)GTTCT synonymous-codon, reference
rs1973521 -- 42,688,052(-) CAGTC(C/T)AGGCC intron-variant

Structural Variations from Database of Genomic Variants (DGV) for CNTNAP1 Gene

Variant ID Type Subtype PubMed ID
esv33998 OTHER Inversion 15654335
nsv833450 CNV Loss 17160897
esv1007587 CNV Deletion 20482838

Relevant External Links for CNTNAP1 Gene

HapMap Linkage Disequilibrium report
Human Gene Mutation Database (HGMD)

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for CNTNAP1 Gene

Disorders for CNTNAP1 Gene

MalaCards: The human disease database

MalaCards: The human disease database. (1) Diseases for CNTNAP1 Gene including...

Search for CNTNAP1 Gene in MalaCards »

(1) Novoseek inferred disease relationships for CNTNAP1 Gene

Disease -log(P) Hits PubMed IDs
demyelination 41.1 1

Relevant External Links for CNTNAP1

Genetic Association Database (GAD)
Human Genome Epidemiology (HuGE) Navigator
genes like me logo Genes that share disorders with CNTNAP1: view

No data available for UniProtKB/Swiss-Prot for CNTNAP1 Gene

Publications for CNTNAP1 Gene

  1. Identification of a novel contactin-associated transmembrane receptor with multiple domains implicated in protein-protein interactions. (PMID: 9118959) Peles E. … Schlessinger J. (EMBO J. 1997) 2 3 4
  2. Identification of new putative susceptibility genes for several psychiatric disorders by association analysis of regulatory and non-synonymous SNPs of 306 genes involved in neurotransmission and neurodevelopment. (PMID: 19086053) GratacA^s M. … Carracedo A. (Am. J. Med. Genet. B Neuropsychiatr. Genet. 2009) 3 48
  3. Candidate gene approach evaluates association between innate immunity genes and breast cancer risk in Korean women. (PMID: 19372141) Lee J.Y. … Kang D. (Carcinogenesis 2009) 3 48
  4. Caspr1/Paranodin/Neurexin IV is most likely not a common disease-causing gene for inherited peripheral neuropathies. (PMID: 11496158) Venken K. … Timmerman V. (Neuroreport 2001) 3 23
  5. Risk of meningioma and common variation in genes related to innate immunity. (PMID: 20406964) Rajaraman P. … Inskip P.D. (Cancer Epidemiol. Biomarkers Prev. 2010) 3 48

Products for CNTNAP1 Gene

Sources for CNTNAP1 Gene

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