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EphA7 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 60.5 kDa and the accession number is Q15375-1.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
5 μg | $68 | 7-10 days | |
10 μg | $108 | 7-10 days | |
20 μg | $178 | 7-10 days | |
50 μg | $359 | 7-10 days | |
100 μg | $696 | 7-10 days | |
200 μg | $1,060 | 7-10 days | |
500 μg | $2,230 | 7-10 days | |
1 mg | $4,530 | 7-10 days |
Biological Activity | Measured by its binding ability in a functional ELISA. Immobilized human EphA7 at 2 μg/ml (100 μl/well) can bind mouse EphrinA4 with a linear range of 0.08-10 ng/ml. |
Description | EphA7 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 60.5 kDa and the accession number is Q15375-1. |
Species | Human |
Expression System | HEK293 Cells |
Tag | C-His |
Accession Number | Q15375-1 |
Synonyms | HEK11,EPHA7,Eph receptor A7,EK11,EHK-3,EHK3 |
Construction | Gln28-Val555 |
Protein Purity | > 98 % as determined by SDS-PAGE |
Molecular Weight | 60.13 kDa (predicted); 65-70 kDa (reducing condition, due to glycosylation) |
Endotoxin | < 1.0 EU/μg of the protein as determined by the LAL method. |
Formulation | Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
Reconstitution | Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing. |
Stability & Storage | It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots. |
Shipping | In general, Lyophilized powders are shipping with blue ice. |
Research Background | Ephrin type-A receptor 7, also known as EphA7, belongs to the ephrin receptor subfamily of the protein-tyrosine kinase family which 16 known receptors (14 found in mammals) are involved: EPHA1, EPHA2, EPHA3, EPHA4, EPHA5, EPHA6, EPHA7, EPHA8, EPHA9, EPHA10, EPHB1, EPHB2, EPHB3, EPHB4, EPHB5, EPHB6. The Eph family of receptor tyrosine kinases (comprising EphA and EphB receptors) has been implicated in synapse formation and the regulation of synaptic function and plasticity6. Eph receptor-mediated signaling, which is triggered by ephrins7, probably modifies the properties of synapses during synaptic activation and remodeling. Ephrin receptors are components of cell signalling pathways involved in animal growth and development, forming the largest sub-family of receptor tyrosine kinases (RTKs). Ligand-mediated activation of Ephs induces various important downstream effects and Eph receptors have been studied for their potential roles in the development of cancer. Down-regulation of EphA7 secondary to hypermethylation has been reported in colorectal cancer. The expression of EphA7 was reduced in all tested gastric cancer cell lines; however, there is marked variability in expression among gastric carcinoma specimens. EphA7 may have roles in the pathogenesis and development of gastric carcinomas. |
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