Human NCAM-1/CD56 Antibody

Recombinant Monoclonal Antibody
Catalog # Availability Size / Price Qty
MAB24086-100
MAB24086-SP
Human NCAM-1/CD56 Antibody in Western Blot
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Human NCAM-1/CD56 Antibody Summary

Species Reactivity
Human
Specificity
Detects human NCAM-1/CD56 in direct ELISAs.
Source
Recombinant Monoclonal Rabbit IgG Clone # 2524C
Purification
Protein A or G purified from cell culture supernatant
Immunogen
Mouse myeloma cell line, NS0-derived human NCAM -1/CD56
Leu20-Pro603 and Glu636-Asn741
Accession # NP_001070150
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
0.5 µg/mL
See below
Flow Cytometry
0.25 µg/106 cells
See below
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
 

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

Data Examples

Western Blot Detection  of Human NCAM‑1/CD56 by Western Blot. View Larger

Detection of Human NCAM‑1/CD56 by Western Blot. Western blot shows lysates of human brain (motor cortex) tissue. PVDF membrane was probed with 0.5 µg/mL of Rabbit Anti-Human NCAM‑1/CD56 Monoclonal Antibody (Catalog # MAB24086) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band was detected for NCAM‑1/CD56 at approximately 140 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Flow Cytometry Detection  of NCAM-1/CD56 in Human Peripheral Blood by Flow Cytometry. View Larger

Detection of NCAM-1/CD56 in Human Peripheral Blood by Flow Cytometry. Human peripheral blood was stained with either (A) Rabbit Anti-Human NCAM-1/CD56 Monoclonal Antibody (Catalog # MAB24086) or (B) Rabbit IgG Isotype Control (Catalog # MAB1050) followed by Anti-Rabbit IgG APC-conjugated secondary antibody (Catalog # F0111) and Mouse Anti-Human NKp46 PE-conjugated Monoclonal Antibody (Catalog # FAB1850P). View our protocol for Staining Membrane-associated Proteins.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
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

Neural cell adhesion molecule 1 (NCAM-1) is a multifunctional member of the Ig superfamily. It belongs to a family of membrane-bound glycoproteins that are involved in Ca++ independent cell matrix and homophilic or heterophilic cell-cell interactions. NCAM-1 specifically binds to heparan sulfate proteoglycans (1), the extracellular matrix protein agrin (2), and several chondroitin sulfate proteoglycans that include neurocan and phosphocan (3). There are three main forms of human NCAM-1 that arise by alternate splicing. These are designated NCAM-120/NCAM-1 (761 amino acids [aa]), NCAM‑140 (848 aa), and NCAM-180 (1120 aa). NCAM-120 is GPI-linked, while NCAM‑140 and NCAM-180 are type I transmembrane glycoproteins (4 - 6). Additional alternate splicing adds considerable diversity to all three forms, and extracellular proteolytic processing is possible for NCAM-180 (7 ‑ 8). NCAM-1 is synthesized as a 761 aa preproprecursor that contains a 19 aa signal sequence, a 722 aa GPI-linked mature region, and a 20 aa C-terminal prosegment (4). The molecule contains five C-2 type Ig-like domains and two fibronectin type-III domains. Human to mouse, NCAM-1 is 93% aa identical. NCAM-1 appears to be highly sialylated. The polysialyation of NCAM-1 reduces its adhesive property and increases its neurite outgrowth promoting features (9). NCAM-1 in the adult brain shows a decline of sialylation relative to earlier developmental periods. In regions that retain a high degree of neuronal plasticity, however, the adult brain continues to express polysialylation-NCAM-1, suggesting sialylation of NCAM-1 is involved in regenerative processes and synaptic plasticity (10 - 13).

References
  1. Burg, M.A. et al. (1995) J. Neurosci. Res. 41:49.
  2. Storms, S.D. and U. Rutishauser (1998) J Biol. Chem. 273:27124.
  3. Margolis, R.K. et al. (1996) Perspect. Dev. Neurobiol. 3:273.
  4. Dickson, G. et al. (1987) Cell 50:1119.
  5. Lanier, L.L. et al. (1991) J. Immunol. 146:4421.
  6. Hemperly, J.J. et al. (1990) J. Mol. Neurosci. 2:71.
  7. Rutishauser, U.and C. Goridis (1986) Trends Genet. 2:72.
  8. Vawter, M.P. et al. (2001) Exp. Neurol. 172:29.
  9. Rutihauser, U. (1990) Adv. Exp. Med. Biol. 265:179.
  10. Becker, C.G. et al. (1996) J. Neurosci. Res. 45:143.
  11. Doherty, P. et al. (1995) J. Neurobiol. 26:437.
  12. Eckardt, M. et al. (2000) J. Neurosci. 20:5234.
  13. Muller, D. et al. (1996) Neuron 17:413.
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

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