The CD56 antibody, clone NCAM16.2, is derived from the hybridization of P3-X63-Ag8.653 mouse myeloma cells with spleen cells isolated from BALB/c mice immunized with immunoaffinity-enriched NCAM from detergent extracts of adult human brain.
The CD56 antibody recognizes a heavily glycosylated 140-kilodalton (kDa) isoform of NCAM, a member of the immunoglobulin (Ig) superfamily. The CD56 antibody also recognizes 180-kDa and 120-kDa isoforms of NCAM found in neurons and muscle, respectively.
FITC, fluorescein isothiocyanate, is a fluorochrome with a molecular weight of 389 Da. FITC is sensitive to pH changes and photobleaching. Due to nearly identical excitation and emission properties but different spillover characteristics, FITC and Alexa Fluor® 488 cannot be used simultaneously. FITC is relatively dim and should be reserved for highly expressed markers whenever possible.
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Store vials at 2°C–8°C. Conjugated forms should not be frozen. Protect from exposure to light. Each reagent is stable until the expiration date shown on the bottle label when stored as directed.
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