Rabbit polyclonal CEACAM1 antibody (A1702)


Reactivity: Human,Mouse
Applications: WB,IHC
Conjugation: Unconjugated
Supplier: ABclonal Inc.

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Rabbit polyclonal CEACAM1 antibody (A1702)

Supplier: ABclonal Inc.

Recommended applications: WB,IHC

Recommended dilution:

WB 1:500 – 1:2000 IHC 1:50 – 1:200

Recommended protocols: check protocols

Image descriptions:

Click or hover above images to see image description for Rabbit polyclonal CEACAM1 antibody.

Alternative names:

Check alternative names for the antibody


BGP antibody, BGP1 antibody, BGPI antibody
Antigen CD66 antibody|CD66a antigen antibody|CD66d antibody|CD66e antibody|CD66e antigen antibody|CEA antibody|CEACAM1 antibody|CEACAM3 antibody|Ceacam5 antibody|CEACAM6 antibody|CEAM5_HUMAN antibody|Meconium antigen 100 antibody|Anti-CD66a + CD66c + CD66d + CD66e antibody [CLB-gran/10] (ab112072)

SCBT cat No: sc-59899|


Rabbit polyclonal CEACAM1 antibody

Catalogue No.



Human, Mouse


Recombinant protein of human CEACAM1





Recommended dilution

WB 1:500 – 1:2000
IHC 1:50 – 1:200







Molecular weight

Predicted: 58kDa/Observed: Refer to Figures


CEACAM1 antibody was tube-contained.
Buffer: PBS with 0.02% sodium azide, 50% glycerol, pH7.3.


CEACAM1 antibody was purified using affinity purification.


Store at -20 Celsius degree. Avoid freeze / thaw cycles.

Alternative antibody names

BGP antibody, BGP1 antibody, BGPI antibody

Database links

Human UniProt/Swiss-Prot:P13688

Protein names


Protein function

Isoform 1: Cell adhesion protein that mediates homophilic cell adhesion in a calcium-independent manner (By similarity). Plays a role as coinhibitory receptor in immune response, insulin action and functions also as an activator during angiogenesis . Its coinhibitory receptor function is phosphorylation- and PTPN6 -dependent, which in turn, suppress signal transduction of associated receptors by dephosphorylation of their downstream effectors. Plays a role in immune response, of T cells, natural killer (NK) and neutrophils . Upon TCR/CD3 complex stimulation, inhibits TCR-mediated cytotoxicity by blocking granule exocytosis by mediating homophilic binding to adjacent cells, allowing interaction with and phosphorylation by LCK and interaction with the TCR/CD3 complex which recruits PTPN6 resulting in dephosphorylation of CD247 and ZAP70 . Also inhibits T cell proliferation and cytokine production through inhibition of JNK cascade and plays a crucial role in regulating autoimmunity and anti-tumor immunity by inhibiting T cell through its interaction with HAVCR2 . Upon natural killer (NK) cells activation, inhibit KLRK1-mediated cytolysis of CEACAM1-bearing tumor cells by trans-homophilic interactions with CEACAM1 on the target cell and lead to cis-ineraction between CEACAM1 and KLRK1, allowing PTPN6 recruitment and then VAV1 dephosphorylation . Upon neutrophils activation negatively regulates IL1B production by recruiting PTPN6 to a SYK-TLR4-CEACAM1 complex, that dephosphorylates SYK, reducing the production of reactive oxygen species (ROS) and lysosome disruption, which in turn, reduces the activity of the inflammasome. Downregulates neutrophil production by acting as a coinhibitory receptor for CSF3R by downregulating the CSF3R-STAT3 pathway through recruitment of PTPN6 that dephosphorylates CSF3R (By similarity). Also regulates insulin action by promoting INS clearance and regulating lipogenesis in liver through regulating insulin signaling (By similarity). Upon INS stimulation, undergoes phosphorylation by INSR leading to INS clearance by increasing receptor-mediated insulin endocytosis. This inernalization promotes interaction with FASN leading to receptor-mediated insulin degradation and to reduction of FASN activity leading to negative regulation of fatty acid synthesis. INSR-mediated phosphorylation also provokes a down-regulation of cell proliferation through SHC1 interaction resulting in decrease coupling of SHC1 to the MAPK3/ERK1-MAPK1/ERK2 and phosphatidylinositol 3-kinase pathways (By similarity). Functions as activator in angiogenesis by promoting blood vessel remodeling through endothelial cell differentiation and migration and in arteriogenesis by increasing the number of collateral arteries and collateral vessel calibers after ischemia. Also regulates vascular permeability through the VEGFR2 signaling pathway resulting in control of nitric oxide production (By similarity). Downregulates cell growth in response to EGF through its interaction with SHC1 that mediates interaction with EGFR resulting in decrease coupling of SHC1 to the MAPK3/ERK1-MAPK1/ERK2 pathway (By similarity). Negatively regulates platelet agregation by decreasing platelet adhesion on type I collagen through the GPVI-FcRgamma complex (By similarity). Inhibits cell migration and cell scattering through interaction with FLNA; interfers with the interaction of FLNA with RALA . Mediates bile acid transport activity in a phosphorylation dependent manner (By similarity). Negatively regulates osteoclastogenesis (By similarity).; Isoform 8: Cell adhesion protein that mediates homophilic cell adhesion in a calcium-independent manner (By similarity). Promotes populations of T cells regulating IgA production and secretion associated with control of the commensal microbiota and resistance to enteropathogens (By similarity).

Protein tissue specificity

The predominant forms expressed by T cells are those containing a long cytoplasmic domain . Expressed in granulocytes and lymphocytes. Leukocytes only express isoforms 6 and isoform 1 .

Protein sequence and domain

Ig-like V-type domain mediates trans-homophilic cell adhesion through homodimerization and this active process is regulated by tyrosine kinase, PTPN11 AND PTPN6. Ig-like C2-type and/or cytoplasmic domains mediate cis-dimer/oligomer.Belongs to the immunoglobulin superfamily. CEA family.; Contains 3 Ig-like C2-type (immunoglobulin-like) domains.; Contains 1 Ig-like V-type (immunoglobulin-like) domain.

Protein post-translational modifications

Isoform 1: Phosphorylated on serine and tyrosine (By similarity). Isoform 1 is phosphorylated on tyrosine by Src family kinases like SRC and LCK and by receptor like CSF3R, EGFR and INSR upon stimulation . Phosphorylated at Ser-508; mediates activity. Phosphorylated at Tyr-493; regulates activity (By similarity). Phosphorylated at Tyr-493 by EGFR and INSR upon stimulation; this phosphorylation is Ser-508-phosphorylation-dependent; mediates cellular internalization; increases interaction with downstream proteins like SHC1 and FASN (By similarity). Phosphorylated at Tyr-493 and Tyr-520 by LCK; mediates PTPN6 association and is regulated by homophilic ligation of CEACAM1 in the absence of T cell activation . Phosphorylated at Tyr-520; mediates interaction with PTPN11 (By similarity).; Isoform 8: Phosphorylated on serine and threonine.

Protein cellular localization

Isoform 1: Cell membrane ; Single-pass type I membrane protein . Lateral cell membrane . Apical cell membrane . Basal cell membrane . Cell junction . Cell junction, adherens junction . Note: Canalicular domain of hepatocyte plasma membranes. Found as a mixture of monomer, dimer and oligomer in the plasma membrane. Occurs predominantly as cis-dimers and/or small cis-oligomers in the cell junction regions. Found as dimer in the solution. Predominantly localized to the lateral cell membranes.; Isoform 2: Secreted .; Isoform 3: Secreted .; Isoform 4: Secreted .; Isoform 5: Cell membrane; Single-pass type I membrane protein.; Isoform 6: Cell membrane; Single-pass type I membrane protein.; Isoform 7: Cell membrane; Single-pass type I membrane protein.; Isoform 8: Cell membrane ; Single-pass type I membrane protein . Cytoplasmic vesicle, secretory vesicle membrane . Lateral cell membrane . Apical cell membrane . Basal cell membrane . Cell junction . Cell junction, adherens junction . Note: Predominantly localized to the lateral cell membranes. Found as a mixture of monomer, dimer and oligomer in the plasma membrane. Occurs predominantly as cis-dimers and/or small cis-oligomers in the cell junction regions (By similarity). Co-localizes with ANXA2 in secretory vesicles and with S100A10/p11 at the plasma membrane .


This gene encodes a member of the carcinoembryonic antigen (CEA) gene family, which belongs to the immunoglobulin superfamily. Two subgroups of the CEA family, the CEA cell adhesion molecules and the pregnancy-specific glycoproteins, are located within a 1.2 Mb cluster on the long arm of chromosome 19. Eleven pseudogenes of the CEA cell adhesion molecule subgroup are also found in the cluster. The encoded protein was originally described in bile ducts of liver as biliary glycoprotein. Subsequently, it was found to be a cell-cell adhesion molecule detected on leukocytes, epithelia, and endothelia. The encoded protein mediates cell adhesion via homophilic as well as heterophilic binding to other proteins of the subgroup. Multiple cellular activities have been attributed to the encoded protein, including roles in the differentiation and arrangement of tissue three-dimensional structure, angiogenesis, apoptosis, tumor suppression, metastasis, and the modulation of innate and adaptive immune responses. Multiple transcript variants encoding different isoforms have been reported, but the full-length nature of all variants has not been defined.

Research area

All research areas>Cell Adhesion Proteins>CEACAM
(View all antibody categories related to Cell Adhesion Proteins)


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Product type

Primary antibody


ABclonal Inc.


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