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Biotinylated Ephrin-B3 Fc&Avi Tag Protein, Human

Biotinylated Ephrin-B3 Fc&Avi Tag Protein, Human

Catalog Number: UA010787 Reactivity: Human Conjugation: Biotin Brand: UA BIOSCIENCE
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Regular price $636.00 SGD
Regular price Sale price $636.00 SGD
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Product Details

Product Specification


Species Human
Synonyms EFL6, EPLG8, LERK8
Accession Q15768
Amino Acid Sequence Leu28-Ser224, with C-terminal hIgG1 Fc and Avi tag
Expression System HEK293
Molecular Weight 60kDa (Reducing)
Purity >95% by SDS-PAGE
Endotoxin <1EU/μg
Conjugation Biotin
Tag Human Fc Tag, Avi Tag
Physical Appearance Lyophilized Powder
Storage Buffer PBS, pH7.4.
Reconstitution Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.
Stability & Storage · 12 months from date of receipt, lyophilized powder stored at -20 to -80℃.
· 3 months, -20 to -80℃ under sterile conditions after reconstitution.
· 1 week, 2 to 8℃ under sterile conditions after reconstitution.
· Please avoid repeated freeze-thaw cycles.
Reference

1. Nan-Jie Xu, Suya Sun, Jay R Gibson & Mark Henkemeyer: A dual shaping mechanism for postsynaptic ephrin-B3 as a receptor that sculpts dendrites and synapses. Nature Neuroscience volume 14, pages1421–1429 (2011).

Background

Ephrin-B3 binds HSPGs on HEK-293T, HeLa, and CHO cells, where heparin blocks binding to HEK-293T cells independently of Eph receptors, and a heparin/HS-binding domain in ephrin-B3 was identified outside of the Eph-receptors binding domain. The two positively charged residues, Arg178 and Lys179, in the ephrin-B3's juxtamembrane region is important for heparin/HS binding. Changing the corresponding amino acids in the non-heparin binding ephrin-B1 to positively charged residues gave heparin binding. Ephrin-A3 also binds HS, where Lys176 corresponds to Lys179 in ephrin-B3. Ephrin-B3 binding to lymphocytes and lymphoma cell lines may also depend on other residues near the transmembrane domain, in particular Arg188 which is less affected by heparin, suggesting several mechanisms for ephrin-B3 binding to cells. Functional studies revealed that ephrin-B3 binding to cells induces signaling, influencing both cell rounding and spreading.

Picture

SDS-PAGE

1μg (R: reducing condition, N: non-reducing condition).

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