Recombinant Human Ephrin-A4(EFNA4),partial (Active)

In Stock
Code CSB-AP005461HU
Size US$669Purchase it in Cusabio online store
(only available for customers from the US)
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Purity Greater than 95% as determined by SDS-PAGE.
Endotoxin Less than 1.0 EU/μg as determined by LAL method.
Activity The ED50 as determined by its ability to bind Human EphA7 in functional ELISA is less than 10 ug/ml.
Target Names EFNA4
Uniprot No. P52798
Research Area Cardiovascular
Alternative Names EFL 4; EFL4; EFN A4; EFNA 4; EFNA4; EFNA4_HUMAN; Eph related receptor tyrosine kinase ligand 4; EPH-related receptor tyrosine kinase ligand 4; Ephrin-A4; EphrinA4; EPLG 4; EPLG4; LERK 4; LERK-4; LERK4; Ligand of Eph related kinase 4; MGC125826
Species Homo sapiens (Human)
Source Mammalian cell
Expression Region 26-171aa
Mol. Weight 44.3 kDa
Protein Length Partial
Tag Info C-terminal 6xHis-hFc-tagged
Form Lyophilized powder
Buffer Lyophilized from a 0.2 μm filtered 20 mM PB, 150 mM NaCl, pH 7.2
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Basically, we can dispatch the products out in 5-10 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

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Target Background

(From Uniprot)
Cell surface GPI-bound ligand for Eph receptors, a family of receptor tyrosine kinases which are crucial for migration, repulsion and adhesion during neuronal, vascular and epithelial development. Binds promiscuously Eph receptors residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. May play a role in the interaction between activated B-lymphocytes and dendritic cells in tonsils.
Gene References into Functions
  1. Study present for the first time in vitro and in vivo evidence suggesting that the major role of two ephrin A4 isoforms in chronic lymphocytic leukemia could be related with a non-previously described mechanism of survival linked to extravasation strongly dependent on integrin signaling. PMID: 27374180
  2. The cytoplasmic pattern of ephrin A4 could identify a subgroup of primary osteosarcoma patients with a high liability for progression, poor prognosis, and inferior response to chemotherapy. PMID: 20071790
  3. Characterization of the promoter PMID: 12030849
  4. This provides genetic evidence that Twist1, Msx2 and Efna4 function together in boundary formation and the pathogenesis of coronal synostosis. PMID: 16540516
  5. CLL B-cells showed a more heterogeneous Eph/EFN profile, specially EFNA4, EphB6 and EphA10. EphB6 and EFNA4 were further related with the clinical course of CLL. PMID: 18819711
  6. EFNA4-EphA2 interactions are involved in Chronic lymphocytic leukemia cell trafficking between blood and the tissues PMID: 19828693

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Subcellular Location Isoform 1: Cell membrane, Lipid-anchor, GPI-anchor, SUBCELLULAR LOCATION: Isoform 2: Secreted
Protein Families Ephrin family
Tissue Specificity Expressed in the adult spleen, lymph node, prostate, ovary, small intestine, and colon, and in fetal heart, lung, liver and kidney. Also detected in hematopoietic cell lines.
Database Links

HGNC: 3224

OMIM: 601380

KEGG: hsa:1945

STRING: 9606.ENSP00000414378

UniGene: Hs.449913


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