• Species Reactivity

  Mouse, Rat

• Specificity

  Detects mouse and rat NCAM-1/CD56 in direct ELISAs and Western blots. In direct ELISAs, approximately 20% cross-reactivity with recombinant human NCAM-1 is observed.  

• Source

  Polyclonal Sheep IgG

• Purification

  Antigen Affinity-purified

• Immunogen

  Mouse myeloma cell line NS0-derived recombinant mouse NCAM-1/CD56    
  Leu20-Thr711 (Phe403Val)    
  Accession # P13595

• Formulation

  Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.

• Label

  Unconjugated

Applications

• 
  

  Recommended    
  Concentration

  Sample

• Western Blot

  1 µg/mL

  See below

• 
  

Please Note: Optimal dilutions should be determined by each laboratory for each application.  are available in the Technical Information section on our website.

Data Examples

Preparation and Storage

• Reconstitution

  Sterile PBS to a final concentration of 0.2 mg/mL.

• Shipping

  The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C

• Stability & Storage

  Use a manual defrost freezer and avoid repeated freeze-thaw cycles.    

• 12 months from date of receipt, -20 to -70 °C as supplied.

• 1 month, 2 to 8 °C under sterile conditions after reconstitution.

• 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: NCAM-1/CD56

NCAM-1 (Neural adhesion molecule-1; also CD56) is a 120 -190 kDa glycoprotein member of the Ig Superfamily. It is expressed on multiple cell types, both in the embryo and adult. Here, it serves as both an adhesion molecule and a receptor for multiple ligands, including as FGFR, PDGF, GDNF and agrin. On the cell surface, it is a cis-oriented homodimer that can form homodimers in-trans with other cis-homodimers. In the embryo, NCAM-1 is polysialylated (PolySia), and shows a MW of 200-220 kDa in SDS-Page. This polysialylation reduces the ability of NCAM-1 to dimerize. Mature mouse NCAM-1 is a 1096 amino acid (aa) type I transmembrane (TM) protein (aa 20-1115). It possesses a 692 aa extracellular region (aa 20-711) and a 386 aa cytoplasmic domain. The extracellular region contains five consecutive C2-type Ig-like domains (aa 20-492) followed by two FN type-III domains (aa 497-692). Multiple splice variants exist. There is a 140 kDa TM variant that shows a deletion of aa 810-1076, and a 120 kDa variant that is GPI-linked and shows a 24 aa substitution for aa 702-1115. A third potential variant contains a five aa substitution for aa 601-1115. Over aa 20-711, mouse NCAM-1 shares 99% and 95% aa identity with rat and human NCAM-1, respectively.

• Long Name:

  Neural Cell Adhesion Molecule

• Entrez Gene IDs:

  4684 (Human); 17967 (Mouse); 24586 (Rat)

• Alternate Names:

  CD56 / NCAM-1; CD56 antigen; CD56; MSK39; NCAM1; N-CAM-1; NCAM-1; NCAMantigen recognized by monoclonal 5.1H11; neural cell adhesion molecule 1; neural cell adhesion molecule, NCAM