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Key Documents

C4731

Sigma-Aldrich

Anti-Calnexin antibody produced in rabbit

enhanced validation

IgG fraction of antiserum, buffered aqueous solution

Synonyme(s) :

Anti-CNX, Anti-IP90, Anti-P90

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About This Item

Numéro MDL:
Code UNSPSC :
12352203
Nomenclature NACRES :
NA.44

Source biologique

rabbit

Niveau de qualité

Conjugué

unconjugated

Forme d'anticorps

IgG fraction of antiserum

Type de produit anticorps

primary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Poids mol.

antigen 90 kDa

Espèces réactives

canine, rat, mouse, human

Conditionnement

antibody small pack of 25 μL

Validation améliorée

independent
Learn more about Antibody Enhanced Validation

Technique(s)

immunoprecipitation (IP): 1:2,000 using whole cell RIPA lysate of the human epitheloid carcinoma HeLa cell line
indirect immunofluorescence: 1:200 using 3% paraformaldehyde-fixed, 0.5% Triton X-100 treated, Madin Darby canine kidney MDCK cell line
microarray: suitable
western blot: 1:2,000 using whole cell RIPA lysate of the human hepatocytoma HepG2 cell line

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... CANX(821)
mouse ... Canx(12330)
rat ... Canx(29144)

Description générale

Calnexin contains a long (461 amino acids) N-terminal Ca2+ -binding domain extending into the lumen of the endoplasmic reticulum (ER), a short (22 amino acids) transmembrane segment and an acidic cytosolic domain (96 amino acids).
Calnexin, is a calcium binding type I integral membrane protein present mainly in the endoplasmic reticulum. It plays a pivotal role in quality control processes during protein synthesis and folding. Anti-calnexin antibody (diluted 1: 300) can be used in dual immunofluorescence staining to visualize TG2 transport.

Spécificité

Rabbit anti-calnexin antibody reacts specifically with calnexin (90 kDa) of dog, mouse, rat and human.

Immunogène

Synthetic peptide corresponding to the c-terminus of human calnexin (amino acids 573-592) conjugated to KLH.

Application

Anti-Calnexin antibody produced in rabbit has been used in:
  • western blot analysis
  • immunofluorescence
  • dual immunofluorescence staining

Actions biochimiques/physiologiques

Calnexin binds newly synthesized glycoproteins and misfolded proteins and is believed to play a critical role in quality control processes during protein synthesis and folding. Calnexin acts as a lectin-like chaperone that binds oligosaccharide residues of newly synthesized N-linked glycoproteins. Calnexin has been shown to be associated with several cell surface proteins, including major histocompatibility complex (MHC) class I heavy chain, T-cell receptor (TCR), and B cell membrane immunoglobulin during translocation through the endoplasmic reticulum (ER). It also forms complexes with other resident ER proteins involved in Ca2+ -dependent retention of proteins.

Forme physique

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Produit(s) apparenté(s)

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 2


Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

Quality control system of the endoplasmic reticulum and related diseases
Wu JC, et al.
Acta biochimica et biophysica Sinica, 38(4), 219-226 (2006)
Calnexin and calreticulin, molecular chaperones of the endoplasmic reticulum
Calreticulin, 49-62 (2003)
STARD3 or STARD3NL and VAP form a novel molecular tether between late endosomes and the ER
Alpy F, et al.
Journal of Cell Science, 126(23), 5500-5512 (2013)
I Wada et al.
The Journal of biological chemistry, 266(29), 19599-19610 (1991-10-15)
GTP phosphorylation of rough microsomes in vitro is limited to four integral membrane proteins. Two of these, a phosphoprotein (pp90) and a phosphoglycoprotein (pgp35) were purified as a complex with two nonphosphorylated membrane glycoproteins, gp25H and gp25L. The authenticity of
Juha M Torkko et al.
Molecular and cellular biology, 35(6), 914-927 (2015-01-07)
The type 1 diabetes autoantigen ICA512/IA-2/RPTPN is a receptor protein tyrosine phosphatase of the insulin secretory granules (SGs) which regulates the size of granule stores, possibly via cleavage/signaling of its cytosolic tail. The role of its extracellular region remains unknown.

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