EFNB2 Mouse

Ephrin- B2 Mouse Recombinant
Cat. No.
BT3196
Source
Sf9, Baculovirus cells.
Synonyms
Ephrin-B2, ELF-2, EPH-related receptor tyrosine kinase ligand 5, LERK-5, HTK ligand, HTK-L, Elf2, Eplg5, Htkl, Lerk5, Efnb2, ELF-2, Epl5, Eplg5, Htk-L, Lerk5, NLERK-1, EFNB2.
Appearance
Sterile Filtered clear solution.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Usage
Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

EFNB2 Mouse Recombinant produced in Sf9 Baculovirus cells is a single polypeptide chain containing 212 amino acids (29-232) and having a molecular mass of 23.4kDa.
(Molecular size on SDS-PAGE will appear at approximately 28-40KDa).
EFNB2 is fused to 8 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Ephrin-B2 is a member of the ephrin (EPH) family, which, along with EPH-related receptors, constitute the largest subfamily of receptor protein-tyrosine kinases. These molecules play a crucial role in developmental processes, particularly in the nervous system and erythropoiesis. Ephrins are classified into two classes based on their structure and sequence: ephrin-A (EFNA) and ephrin-B (EFNB). EFNA ephrins are attached to the membrane through a glycosylphosphatidylinositol linkage, while EFNB ephrins are transmembrane proteins. Ephrin-B2 specifically interacts with the EPHB4 and EPHA3 receptors.
Description
Recombinant Mouse EFNB2, expressed in Sf9 Baculovirus cells, is a single polypeptide chain with a molecular weight of 23.4 kDa. This protein comprises 212 amino acids (residues 29-232). It features an 8 amino acid His-tag fused at the C-terminus. Purification is achieved using proprietary chromatographic techniques. Note: The molecular size observed on SDS-PAGE may range from approximately 28-40 kDa.
Physical Appearance
A clear, sterile-filtered solution.
Formulation
The EFNB2 solution is supplied at a concentration of 0.5 mg/ml in phosphate-buffered saline (pH 7.4) containing 10% glycerol.
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. Avoid repeated freeze-thaw cycles.
Purity
The purity of this product is greater than 90.0% as determined by SDS-PAGE analysis.
Synonyms
Ephrin-B2, ELF-2, EPH-related receptor tyrosine kinase ligand 5, LERK-5, HTK ligand, HTK-L, Elf2, Eplg5, Htkl, Lerk5, Efnb2, ELF-2, Epl5, Eplg5, Htk-L, Lerk5, NLERK-1, EFNB2.
Source
Sf9, Baculovirus cells.
Amino Acid Sequence
RSIVLEPIYW NSSNSKFLPG QGLVLYPQIG DKLDIICPKV DSKTVGQYEY YKVYMVDKDQ ADRCTIKKEN TPLLNCARPD QDVKFTIKFQ EFSPNLWGLE FQKNKDYYII STSNGSLEGL DNQEGGVCQT RAMKILMKVG QDASSAGSAR NHGPTRRPEL EAGTNGRSST TSPFVKPNPG SSTDGNSAGH SGNNLLGSEV ALFALEHHHH HH.

Product Science Overview

Structure and Function

Ephrin-B2 is structurally related to GPI-anchored Ephrin-A ligands. It is a transmembrane protein that interacts with EphB receptors to mediate bidirectional signaling . This interaction is essential for establishing arterial versus venous identity and for the formation of angiogenic capillary plexi . Ephrin-B2 is involved in axon guidance, neural crest cell migration, and the establishment of segmental boundaries .

Production and Purification

Recombinant Mouse Ephrin-B2 is typically produced using mammalian cell lines such as HEK293 or mouse myeloma cell lines . The protein is expressed with a fused Fc region of human IgG1 at the C-terminus to facilitate purification and detection . The recombinant protein is then purified to a high degree of purity, often exceeding 90% as determined by SDS-PAGE .

Applications

Recombinant Ephrin-B2 is used in various research applications, including:

  • Functional ELISA assays: To measure its binding ability with EphB receptors .
  • Cell culture studies: To investigate its role in cell adhesion, migration, and angiogenesis .
  • In vivo studies: To explore its function in neural crest cell migration and axon guidance .
Stability and Storage

Recombinant Ephrin-B2 is typically lyophilized from a sterile PBS solution and can be stored at -20°C to -80°C for up to twelve months . It is recommended to avoid repeated freeze-thaw cycles to maintain protein stability .

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