Application

ELISA Analysis: 10 µg/mL from a representative lot detected CHO cell-expressed full-length glycosylated human CEACAM3 and CEACAM5, but not CEACAM1 (CEACAM1-4L), CEACAM4, CEACAM6, CEACAM7, or CEACAM8 (Courtesy of Dr. Bernhard B. Singer, University of Duisburg-Essen, Germany).
Flow Cytometry Analysis: 10 µg/mL from a representative lot immunostained CHO cell transfectants expressing human CEACAM3 and CEACAM5, but not CHO cells expressing human CEACAM1 (CEACAM1-4L), CEACAM4, CEACAM6, CEACAM7, or CEACAM8 (Courtesy of Dr. Bernhard B. Singer, University of Duisburg-Essen, Germany).
Immunoprecipitation Analysis: 5 µg from a representative lot immunoprecipitated exogenously expressed full-length glycosylated human CEACAM5 from 500 µg of lysate (in 600 µL) from transfected HeLa cells (Courtesy of Dr. Bernhard B. Singer, University of Duisburg-Essen, Germany).
Western Blotting Analysis: 10 µg/mL from a representative lot detected exogenously expressed full-length glycosylated human CEACAM5 in 50 µg of lysate from transfected HeLa cells (Courtesy of Dr. Bernhard B. Singer, University of Duisburg-Essen, Germany).

Research CategoryCell Structure

Research Sub CategoryAdhesion (CAMs)

Anti-CEACAM Antibody, clone 308/3-3 is an antibody against CEACAM3/5 for use in Western Blotting, ELISA, Flow Cytometry, Immunoprecipitation.

Disclaimer

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.

General description

Carcinoembryonic antigen-related cell adhesion molecule 3 (UniProt P40198; also known as Carcinoembryonic antigen CGM1, CD66d) is encoded by the CEACAM3 (also known as CD66D, CGM1) gene (Gene ID 1084) in human. The carcinoembryonic antigen- (CEA-) related cell adhesion molecules (CEACAMs) constitute a 12-member subgroup of the CEA family of immunoglobulin-related proteins first described in 1965 (PMID 4953873). CEACAMs are reported to participate in diverse physiological processes, including cell adhesion, differentiation, proliferation, and survival, as well as in carcinogenesis and bacterial pathogenesis. CEACAM molecules from neighbouring cells can interact via their respective extracellular N-terminal IgV-like domain and mediate cell-to-cell adhesion through trans-oligomerization. CEACAM molecules within the same cell can also undergo transmembrane domain-mediated cis-oligomerization, an event important for sustaining downstream cellular signaling. Athough CEACAM1 is shown to utilize its cytoplasmic domain for transducing cellular signaling, not all CEACAM members are expressed with a significant cytoplasmic domain, and others (CEACAM5/6/7/8) are GPI-anchored without even a transmembrane domain. Human CEACAM3 and CEACAM4 are two CEACAMs whose extracellular region is composed of only one V-type Ig-like extracellular domain (a.a. 35-142 of CEACAM3). Human CEACAM5 (UniProt P06731), on the other hand, is a GPI-anchored CEACAM with the most extracellular Ig domains, 7 in all.

Immunogen

Epitope: Extracellular domain.

Human IgG1 Fc-tagged recombinant human CEACAM3 extracellular domain.

Other Notes

Concentration: Please refer to lot specific datasheet.

Physical form

Purified mouse monoclonal IgG1κ in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Protein G Purified

Format: Purified

Quality

Evaluated by Western Blotting Analysis in lysates of CEACAM3 & CEACAM5 transfected CHO cells.

Western Blotting Analysis: 2.0 µg/mL of this antibody detected exogenously expressed full-length glycosylated human CEACAM3 and CEACAM5 in 10 µg of lysates from transfected CHO cells.

Specificity

Clone 308/3-3 reacts with human CEACAM3 and CEACAM5, but not human CEACAM1/4/6/7/8, rat CEACAM1, or mouse CEACAM1 & CEACAM2.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Target description

~30/180 kDa (CEACAM3/CEACAM5) observed. 27.09/19.40/22.75 kDa (human CEACAM3 isoform CGM1A/CGM1B/CGM1C) and 76.80/76.72 kDa (human CEACAM5 isoform 1/2) calculated. Target bands appear smeary and larger than the calculated molecular weights due to glycosylation. Uncharacterized band(s) may appear in some lysates.