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product-image-AAA30180_ICC10.jpg ICC (Immunocytochemistry) (ICC staining Calnexin in PANC-1 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

Rabbit anti-Human, Rat Calnexin Monoclonal Antibody | anti-CANX antibody

Calnexin Antibody

Gene Names
CANX; CNX; P90; IP90
Reactivity
Human, Rat
Applications
Western Blot, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Flow Cytometry, Functional Assay
Purity
ProA affinity purified
Synonyms
Calnexin, Antibody; Calnexin Antibody; Calnexin antibody; CALX_HUMAN antibody; CANX antibody; CNX antibody; FLJ26570 antibody; Histocompatibility complex class I antigen binding protein p88 antibody; IP90 antibody; Major histocompatibility complex class I antigen-binding protein p88 antibody; p90 antibody; anti-CANX antibody
Ordering
Host
Rabbit
Reactivity
Human, Rat
Clonality
Monoclonal
Clone Number
SN20-54
Purity/Purification
ProA affinity purified
Form/Format
1*TBS (pH7.4), 1% BSA, 40% Glycerol. Preservative: 0.05% Sodium Azide.
Applicable Applications for anti-CANX antibody
WB (Western Blot), ICC (Immunocytochemistry), IF (Immunofluorescence), IHC (Immunohistochemistry), FCM/FACS (Flow Cytometry)
Application Notes
WB: 1:1000-5000
IHC: 1:50-1:200
ICC: 1:100-1:500
FC/FACS: 1:50-1:100
Antibody Type
Recombinant Antibody
Immunogen
Recombinant protein
Conjugation
Unconjugated
Preparation and Storage
Store at -20 degree C.

ICC (Immunocytochemistry)

(ICC staining Calnexin in PANC-1 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

product-image-AAA30180_ICC10.jpg ICC (Immunocytochemistry) (ICC staining Calnexin in PANC-1 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

ICC (Immunocytochemistry)

(ICC staining Calnexin in HepG2 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

product-image-AAA30180_ICC9.jpg ICC (Immunocytochemistry) (ICC staining Calnexin in HepG2 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

ICC (Immunocytochemistry)

(ICC staining Calnexin in Hela cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

product-image-AAA30180_ICC8.jpg ICC (Immunocytochemistry) (ICC staining Calnexin in Hela cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

IHC (Immunohistochemistry)

(Immunohistochemical analysis of paraffin-embedded human kidney tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

product-image-AAA30180_IHC7.jpg IHC (Immunohistochemistry) (Immunohistochemical analysis of paraffin-embedded human kidney tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

IHC (Immunohistchemistry)

(Immunohistochemical analysis of paraffin-embedded rat kidney tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

product-image-AAA30180_IHC6.jpg IHC (Immunohistchemistry) (Immunohistochemical analysis of paraffin-embedded rat kidney tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

IHC (Immunohistochemistry)

(Immunohistochemical analysis of paraffin-embedded human liver cancer tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

product-image-AAA30180_IHC5.jpg IHC (Immunohistochemistry) (Immunohistochemical analysis of paraffin-embedded human liver cancer tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

IHC (Immunohistochemistry)

(Immunohistochemical analysis of paraffin-embedded rat pancreas tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

product-image-AAA30180_IHC4.jpg IHC (Immunohistochemistry) (Immunohistochemical analysis of paraffin-embedded rat pancreas tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

IHC (Immunohistochemistry)

(Immunohistochemical analysis of paraffin-embedded rat heart tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

product-image-AAA30180_IHC3.jpg IHC (Immunohistochemistry) (Immunohistochemical analysis of paraffin-embedded rat heart tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

IHC (Immunohistochemistry)

(Immunohistochemical analysis of paraffin-embedded human pancreas tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

product-image-AAA30180_IHC2.jpg IHC (Immunohistochemistry) (Immunohistochemical analysis of paraffin-embedded human pancreas tissue using anti-Calnexin antibody. Counter stained with hematoxylin.)

WB (Western Blot)

(Western blot analysis of Calnexin on Hela cells lysates using anti-Calnexin antibody at 1/1, 000 dilution.)

product-image-AAA30180_WB.jpg WB (Western Blot) (Western blot analysis of Calnexin on Hela cells lysates using anti-Calnexin antibody at 1/1, 000 dilution.)
Related Product Information for anti-CANX antibody
Calnexin and Calregulin (also called calreticulin) are calcium-binding proteins that are localized to the endoplasmic reticulum, Calnexin to the membrane and Calregulin to the lumen. Calnexin is a type I membrane protein that interacts with newly synthesized glycoproteins in the endoplasmic reticulum. It may play a role in assisting with protein assembly and in retaining unassembled protein subunits in the endoplasmic reticulum. Calregulin has both low- and high-affinity calcium-binding sites. Neither Calnexin nor Calregulin contains the calcium-binding E-F hand motif found in calmodulins. Calnexin and Calregulin are important for the maturation of glycoproteins in the endoplasmic reticulum and appear to bind many of the same proteins.
Product Categories/Family for anti-CANX antibody

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
821
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
67,568 Da
NCBI Official Full Name
calnexin
NCBI Official Synonym Full Names
calnexin
NCBI Official Symbol
CANX
NCBI Official Synonym Symbols
CNX; P90; IP90
NCBI Protein Information
calnexin; major histocompatibility complex class I antigen-binding protein p88
UniProt Protein Name
Calnexin
UniProt Gene Name
CANX
UniProt Entry Name
CALX_HUMAN

Similar Products

Product Notes

The CANX canx (Catalog #AAA30180) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Calnexin Antibody reacts with Human, Rat and may cross-react with other species as described in the data sheet. AAA Biotech's Calnexin can be used in a range of immunoassay formats including, but not limited to, WB (Western Blot), ICC (Immunocytochemistry), IF (Immunofluorescence), IHC (Immunohistochemistry), FCM/FACS (Flow Cytometry). WB: 1:1000-5000 IHC: 1:50-1:200 ICC: 1:100-1:500 FC/FACS: 1:50-1:100. Researchers should empirically determine the suitability of the CANX canx for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "Calnexin, Monoclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

Frequently Asked Questions


What is calnexin used as a marker for in cell biology studies?


Calnexin is an endoplasmic reticulum (ER) chaperone protein and an accepted marker for ER localization. It facilitates quality control of newly synthesized glycoproteins through transient interaction with N-linked glycans. In cell biology, calnexin marks the ER compartment, monitors ER stress responses and unfolded protein response (UPR) activation, and evaluates protein trafficking and ER-associated degradation pathways in cellular stress models.


Can this calnexin antibody detect both human and rat proteins?


Verify cross-reactivity specifications on the AAA Biotech datasheet, as species reactivity varies by antibody clone. Many calnexin antibodies recognize human, mouse, and rat epitopes due to sequence conservation (~90% identity). Confirm reactivity through Western blot or immunofluorescence pre-validation on your target species. Some antibodies may have species-specific limitations requiring optimization or alternative clones.


Is calnexin antibody suitable as an ER (endoplasmic reticulum) marker in immunofluorescence?


Yes, calnexin antibodies are widely validated for immunofluorescence (IF) ER marking. Use formaldehyde or methanol fixation; calnexin tolerates both. The antibody produces characteristic reticular ER staining patterns when proper permeabilization is performed. Optimal results require permeabilization buffers (0.1-0.5% Triton X-100) to access intracellular epitopes. Co-staining with other ER markers validates specificity.


Can this antibody be used for Western blot to detect calnexin expression?


Yes, calnexin antibodies are suitable for Western blotting to quantify calnexin protein expression (~90 kDa). Calnexin is highly stable across tissues and conditions, serving as a reliable loading control. Use standard wet transfer protocols; expected molecular weight aids band identification. Recommend 1:1000-1:5000 primary antibody dilutions. Calnexin levels remain relatively constant, making it an excellent housekeeping protein reference.


Does fixation method affect calnexin staining quality in IHC/IF?


Yes, fixation critically impacts staining. Formaldehyde fixation (formalin-fixed paraffin-embedded) requires heat-induced epitope retrieval (HIER) to unmask cross-linked epitopes. Methanol or ethanol fixation preserves antigenicity better without retrieval. Fixation duration influences epitope accessibility; prolonged fixation increases cross-linking, requiring longer retrieval times. Optimize fixation parameters for your specific application.


Is calnexin expression affected by ER stress or unfolded protein response?


Interestingly, calnexin expression decreases during ER stress despite initial mRNA upregulation. Paradoxically, calnexin protein levels decline during unfolded protein response (UPR) activation via PERK, ATF6, and IRE1α pathways. This counterintuitive reduction may impair protein quality control during prolonged stress. Calnexin depletion heightens susceptibility to ER stress, making it a sensitive UPR biomarker.


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