Thermo Fisher Scientific Calnexin Monoclonal Antibody (AF18)

Applications

Tested Dilution

Publications

Western Blot (WB)

1:100-1:1,000

View 30 publications 30 publications

Immunohistochemistry (IHC)

-

View 3 publications 3 publications

Immunohistochemistry (Paraffin) (IHC (P))

1:20

-

Immunohistochemistry (Frozen) (IHC (F))

-

View 1 publication 1 publication

Immunocytochemistry (ICC/IF)

1:50-1:500

View 33 publications 33 publications

Immunoprecipitation (IP)

5 µg

View 3 publications 3 publications

in situ PLA (PLA)

-

View 1 publication 1 publication

Immunomicroscopy (IM)

-

View 1 publication 1 publication

RNA Immunoprecipitation (RIP)

Assay-dependent

-

Product Specifications

Species Reactivity

Human, Mouse

Published species

Dog, Hamster, Human, Mouse, Non-human primate, Rat, Yeast

Host/Isotype

Mouse / IgG1

Class

Monoclonal

Type

Antibody

Clone

AF18

Immunogen

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View immunogen .st0{fill:#FFFFFF;} .st1{fill:#1E8AE7;}

Conjugate

Unconjugated Unconjugated Unconjugated

View additional formats

• Alexa Fluor 488
• Alexa Fluor 555
• Alexa Fluor 647
• Request custom conjugation

Form

Liquid

Concentration

1 mg/mL

Purification

Protein A

Storage buffer

PBS

Contains

0.05% sodium azide

Storage conditions

-20° C, Avoid Freeze/Thaw Cycles

Shipping conditions

Ambient (domestic); Wet ice (international)

RRID

AB_2069043

Product Specific Information

MA3-027 detects calnexin from human and mouse tissues.

MA3-027 has been successfully used in Western blot, immunocytochemistry, immunofluorescence and immunoprecipitation protocols. By Western blot, this antibody detects calnexin in human liver, skin, adrenal gland, heart, colon, testes and ovary extracts. This antibody is not recommended for human kidney or mouse liver lysates in Western blot applications. The predicted molecular weight of this antibody is ~67kDa; however, it may run on SDS-PAGE as an ~90kDA protein. This is due mainly to negative charges at the C-terminus of the protein, which effects the SDS binding to the molecules and consequently its SDS-PAGE mobility. Immunocytochemical staining of calnexin in Huh-7 cells with MA3-027 yields a pattern consistent with specific endoplasmic reticulum staining.

The MA3-027 antigen is Focus human hepatoma cell lysate.

Target Information

Calnexin, also referred to as IP90, p88 and p90, is an approximately 90 kDa integral membrane protein of the endoplasmic reticulum (ER). Many resident ER proteins act as molecular chaperones and participate in the proper folding of polypeptides and their assembly into multisubunit proteins. Studies indicate that calnexin associates with the major histocompatibility complex (MHC) class I heavy chains, partial complexes of the T cell receptor and B cell membrane immunoglobulin, but not with completed receptor complexes. It has been shown that calnexin is a chaperone that retains incompletely or improperly folded proteins in the ER. The sequence Lys-Asp-Glu-Leu (KDEL) or a closely related sequence, is present at the carboxy-terminus of soluble ER resident proteins such as GRP78 and GRP94 and protein disulfide isomerase. Integral membrane ER resident proteins, like calnexin, often lack this KDEL sequence but contain positively charged cytosolic residues that ensure ER retention. Calnexin contains a large ER luminal domain (461 amino acids), a transmembrane segment (22 amino acids), and a cytoplasmic tail (89 amino acids).

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.