EFNA3 Human, Sf9

Ephrin A3 Human Recombinant, Sf9
Cat. No.
BT2811
Source

Sf9, Baculovirus cells.

Synonyms

Ephrin-A3, EFL2, Ehk1-L, EPLG3, LERK3, EPH-related receptor tyrosine kinase ligand 3.

Appearance
Sterile Filtered colorless solution.
Purity

Greater than 90.0% as determined by SDS-PAGE.

Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

EFNA3 Human Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 434 amino acids (23-214aa) and having a molecular mass of 48.7kDa
EFNA3 is fused to a 242 amino acid hIgG-His-Tag at C-terminus and purified by proprietary chromatographic techniques.

Product Specs

Introduction

EFNA3 is part of the ephrin (EPH) family. The EPH-related receptors and ephrins constitute the largest subfamily of receptor protein-tyrosine kinases. They are involved in mediating developmental events, particularly in the nervous system and erythropoiesis. Ephrins are classified into two classes, ephrin-A (EFNA) and ephrin-B (EFNB), based on their structural and sequence similarities. The EFNA class ephrins attach to the membrane through a glycosylphosphatidylinositol linkage, while the EFNB class ephrins are transmembrane proteins.

Description

Recombinant human EFNA3, produced in Sf9 Baculovirus cells, is a single, glycosylated polypeptide chain. It consists of 434 amino acids (23-214aa), resulting in a molecular weight of 48.7kDa. The EFNA3 protein is fused to a 242 amino acid hIgG-His-Tag at its C-terminus. Purification is achieved using proprietary chromatographic techniques.

Physical Appearance
The product appears as a clear, colorless solution that has been sterilized by filtration.
Formulation

The Fractalkine solution is provided at a concentration of 0.5 mg/ml. It is formulated in a buffer containing 10% Glycerol and Phosphate Buffered Saline (pH 7.4).

Stability
For short-term storage (up to 2-4 weeks), the product can be stored at 4°C. For extended storage, it is recommended to freeze the product at -20°C. Adding a carrier protein such as HSA or BSA (0.1%) is advisable for long-term storage. Repeated freezing and thawing of the product should be avoided.
Purity

The purity of the product is greater than 90%, as determined by SDS-PAGE analysis.

Synonyms

Ephrin-A3, EFL2, Ehk1-L, EPLG3, LERK3, EPH-related receptor tyrosine kinase ligand 3.

Source

Sf9, Baculovirus cells.

Amino Acid Sequence

ADPQGPGGAL GNRHAVYWNS SNQHLRREGY TVQVNVNDYL DIYCPHYNSS GVGPGAGPGP
GGGAEQYVLY MVSRNGYRTC NASQGFKRWE CNRPHAPHSP IKFSEKFQRY SAFSLGYEFH
AGHEYYYIST PTHNLHWKCL RMKVFVCCAS TSHSGEKPVP TLPQFTMGPN VKINVLEDFE
GENPQVPKLE KSISGLEPKS CDKTHTCPPC PAPELLGGPS VFLFPPKPKD TLMISRTPEV
TCVVVDVSHE DPEVKFNWYV DGVEVHNAKT KPREEQYNST YRVVSVLTVL HQDWLNGKEY
KCKVSNKALP APIEKTISKA KGQPREPQVY TLPPSRDELT KNQVSLTCLV KGFYPSDIAV
EWESNGQPEN NYKTTPPVLD SDGSFFLYSK LTVDKSRWQQ GNVFSCSVMH EALHNHYTQK SLSLSPGKHH
HHHH

 

Product Science Overview

Structure and Expression

Ephrin A3 is a single, glycosylated polypeptide chain containing 434 amino acids (23-214aa) and has a molecular mass of approximately 48.7 kDa . The recombinant form of Ephrin A3, produced in Sf9 Baculovirus cells, is fused to a 242 amino acid hIgG-His-Tag at the C-terminus and purified using proprietary chromatographic techniques .

Function and Significance

Ephrin A3 binds promiscuously to Eph receptors on adjacent cells, leading to contact-dependent bidirectional signaling. This signaling is essential for migration, repulsion, and adhesion during neuronal, vascular, and epithelial development . The signaling pathway downstream of the receptor is referred to as forward signaling, while the pathway downstream of the ephrin ligand is known as reverse signaling .

Applications and Usage

Recombinant Ephrin A3 is used in various research applications, including high-throughput screening, SDS-PAGE, and HPLC . It is crucial for studying the mechanisms of cell signaling and development, as well as for potential therapeutic applications in diseases related to abnormal cell signaling.

Storage and Stability

The recombinant Ephrin A3 protein is typically stored at 4°C if used within 2-4 weeks. For long-term storage, it is recommended to store the protein at -20°C with a carrier protein to avoid multiple freeze-thaw cycles .

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