Human CellExp™ CD62E/E-Selectin, human recombinant

Biomolecule/Target: CD62E/E-Selectin

Synonyms: SELE, RP1-117P20.2, CD62E, ELAM1, ESEL, LECAM2, E-Selectin

Alternates names: SELE, RP1-117P20.2, CD62E, ELAM1, ESEL, LECAM2, E-Selectin

Taglines: Plays an important part in recruiting leukocytes to the site of injury.

Taglines: USA

Country of Animal Origin: USA

NCBI Gene ID #.: 6401

NCBI Gene Symbol: SELE

Gene Source: Human

Accession #: P16581

Recombinant: Yes

Source: HEK293 cells

Purity by SDS-PAGE #: ≥95%

Assay: SDS-PAGE

Purity: N/A

Assay #2: N/A

Endotoxin Level: <1 EU/μg by LAL method

Activity (Specifications/test method): N/A

Biological activity: Measured by the ability of the immobilized protein to support the adhesion of U937 human histiocytic lymphoma cells. When 5 x 10^4 cells/well are added to human E-Selectin coated plates (2 μg/mL with 100 μL/well), >80% cells will adhere after 1 hour incubation at 37°C.

Results: Measured by the ability of the immobilized protein to support the adhesion of U937 human histiocytic lymphoma cells. When 5 x 10^4 cells/well are added to human E-Selectin coated plates (2 μg/mL with 100 μL/well), >80% cells will adhere after 1 hour incubation at 37°C.

Binding Capacity: N/A

Unit Definition: N/A

Molecular Weight: This protein is fused with a 6×his tag at C-terminus and has a calculated MW of 60 kDa expressed. The predicted N-terminus is Trp22. Protein migrates as 110 kDa in reduced SDS-PAGE resulting from glycosylation.

Concentration: N/A

Appearance: Lyophilized

Physical form description: Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally Mannitol or Trehalose is added as protectants before lyophilization.

Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 µg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.

Background Information: E-Selectin, also known as CD62 antigen-like family member E (CD62E), endothelial-leukocyte adhesion molecule 1 (ELAM-1), or leukocyte-endothelial cell adhesion molecule 2 (LECAM2), a member of the Selectin family, is a 107-115 kDa cell surface glycoprotein. It is transiently expressed on vascular endothelial cells in response to IL-1β and TNFα. E selectin has a cassette structure: an N-terminal, C-type lectin domain, an EGF (epidermal-growth-factor)-like domain, 6 Sushi domain (SCR repeat) units, a transmembrane domain (TM) and an intracellular cytoplasmic tail (cyto). During inflammation, E-selectin plays an important part in recruiting leukocytes to the site of injury. The local release of cytokines IL-1 and TNF-α by damaged cells induces the over-expression of E-selectin on endothelial cells of nearby blood vessels. E-selectin mediates the adhesion of tumor cells to endothelial cells, by binding to E-selectin ligands expressed by neutrophils, monocytes, eosinophils, memory-effector T-like lymphocytes, natural killer cells or cancer cells. Furthermore, a number of studies have reported that levels of E-Selectin may be elevated in subjects with a variety of pathological conditions.

Amino acid sequence: N/A

Handling: Centrifuge the vial prior to opening.

Usage: For Research Use Only! Not to be used in humans