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Product Name
Calnexin-CT Antibody
Catalog #
SPC-108A
Package size
50ul
Price
$144.00 USD
Bulk Quote
Alternate Product Sizes
SPC-108B
Type
Polyclonal
Conjugate
N/A
Datasheet
SPC 108 Calnexin CT Cell Signaling
Description
Anti-Calnexin (CT)
Research Area
Cell Signaling, Organelle Markers
Alternative Names
CANX, CNX, IP90, P90
Clone Number
N/A
Host Species
Rabbit
Isotype
N/A
Immunogen
Dog calnexin C-terminal synthetic peptide conjugated to KLH. Identical to human, mouse and rat calnexin sequences over these residues.
Applications
WB, IHC, ICC, IP, Flow cytometry, IF
Species Reactivity
Human, Monkey, Mouse, Rat, Bovine, Chicken (weak), Dog, Guinea pig, Hamster, Pig, Quail, Rabbit, Sheep, Drosophila (weak), Xenopus (weak)
Accession Number
NP_001003232.1
Gene ID
403908
SwissProt
P24643
Background Info
Detects ~90kDa
Recommended Dilutions
1:2000 (WB)
Form
Rabbit antiserum
Storage Buffer
Rabbit antiserum
Concentration
N/A
Certificate of Analysis
A 1:1000 dilution of SPC-108 was sufficient for detection of Calnexin in 10μg of HeLa cell lysate by ECL immunoblot analysis.
Storage Temp
-20°C
Shipping Temp
Blue Ice or 4°C

IF analysis of Calnexin-CT using SPC-108, tested in HeLa cell lysates.


Western blot analysis of Calnexin-CT in rat tissues using a 1:1000 dilution of SPC-108.
Research Background
Calnexin, an abundant ~90kDa integral protein of the endoplasmic reticulum, is also referred to as IP90, p88 and p90 (1). It consists of a large 50kDa N-terminal calcium-binding luminal domain, a single transmembrane helix and a short acidic cytoplasmic tail (2, 3). Unlike its ER counterparts which have a KDEL sequence on their C-terminus to ensure ER retention (4), calnexin has positively charged cytosolic residues that do the same thing (3). Most ER proteins act as molecular chaperones and participate in the proper folding of polypeptides and their assembly into mulitsubunit proteins. Calnexin together with calreticulin, plays a key role in glycoprotein folding and its control within the ER, by interacting with folding intermediates via their monoglycosylated glycans (5, 6). Calnexin has also been shown to associate with the major histocompatability complex class I heavy chains, partial complexes of the T cell receptor and B cell membrane immunoglobulin (7).
References
1. Rajagopalan S., Xu Y., and Brenner M.B. (1994) Science 263(5145): 387-90.
2. Tjoelker L.W., et al. (1994) Biochemistry 33: 3229.
3. Schrag J. et al. (2001) Molecular Cell 8(3): 633-644.
4. Janiszewski M. (2005) J. Biol Chem. 280(49): 40813- 40819.
5. Elagoz A., Callejo M., Armstrong J., and Rokeach L. A. (1999) J. Cell Sci. 112: 4449-4460.
6. Otteken A. and Moss B. (1996) J Bio Chem. 271(1): 97- 103.
7. Galvin K. et al. (1992) Proc Natl Acad Sci USA. 89(18): 8452-6.
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