This fast track antibody is not yet fully characterized. It is subject to these terms and conditions


  • Product name
  • Description
    Rabbit polyclonal to CNTN4

    This product is a fast track antibody. It has been affinity purified and shows high titre values against the immunizing peptide by ELISA. Read the terms of use »

  • Species reactivity
    Reacts with: Mouse, Rat
    Predicted to work with: Human
  • Immunogen

    Synthetic peptide conjugated to KLH derived from within residues 250 - 350 of Mouse CNTN4.

  • Positive control
    • This antibody gave a positive signal in the following tisue lysates: Mouse hippocampus; Rat olfactory bulb; Mouse E14 embryo brain; Mouse E16 embryo brain; Mouse E18 embryo brain; Mouse brain.



  • Function
    Contactins mediate cell surface interactions during nervous system development. Has some neurite outgrowth-promoting activity. May be involved in synaptogenesis.
  • Tissue specificity
    Mainly expressed in brain. Highly expressed in cerebellum and weakly expressed in corpus callosum, caudate nucleus, amygdala and spinal cord. Also expressed in testis, pancreas, thyroid, uterus, small intestine and kidney. Not expressed in skeletal muscle. Isoform 2 is weakly expressed in cerebral cortex.
  • Involvement in disease
    A chromosomal aberration involving CNTN4 has been found in a boy with characteristic physical features of 3p deletion syndrome (3PDS). Translocation t(3;10)(p26;q26). 3PDS is a rare contiguous gene disorder involving the loss of the telomeric portion of the short arm of chromosome 3 and characterized by developmental delay, growth retardation, and dysmorphic features.
  • Sequence similarities
    Belongs to the immunoglobulin superfamily. Contactin family.
    Contains 4 fibronectin type-III domains.
    Contains 6 Ig-like C2-type (immunoglobulin-like) domains.
  • Cellular localization
    Cell membrane. Secreted.
  • Information by UniProt
  • Database links
  • Alternative names
    • AXCAM antibody
    • Axonal associated cell adhesion molecule antibody
    • BIG 2 antibody
    • BIG-2 antibody
    • Brain derived immunoglobulin superfamily protein 2 antibody
    • Brain-derived immunoglobulin superfamily protein 2 antibody
    • Cntn4 antibody
    • CNTN4_HUMAN antibody
    • CNTN4A antibody
    • contactin 4 antibody
    • Contactin-4 antibody
    • Neural cell adhesion protein BIG 2 antibody
    • SCA16 antibody
    see all

Anti-CNTN4 antibody images

This Fast-Track antibody is not yet fully characterised. These images represent inconclusive preliminary data.

  • All lanes : Anti-CNTN4 antibody (ab93450) at 1 µg/ml

    Lane 1 : Mouse Hippocampus Tissue Lysate
    Lane 2 : Rat Olfactory Bulb Lysate
    Lane 3 : E14 Mouse Embryo Brain Tissue Lysate
    Lane 4 : E16 Ms Embryo Brain Tissue Lysate
    Lane 5 : E18 Ms Embryo Brain Tissue Lysate
    Lane 6 : Brain (Mouse) Tissue Lysate

    Lysates/proteins at 10 µg per lane.

    Goat Anti-Rabbit IgG H&L (HRP) preadsorbed (ab97080) at 1/5000 dilution
    Developed using the ECL technique

    Performed under reducing conditions.

    Observed band size : 150 kDa (why is the actual band size different from the predicted?)
    Additional bands at : 56 kDa (possible isoform).

    Exposure time : 12 minutes

References for Anti-CNTN4 antibody (ab93450)

ab93450 has not yet been referenced specifically in any publications.

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