Interleukin-4 (IL-4) is a pleiotropic cytokine regulates diverse T and B cell responses including cell proliferation, survival, and gene expression. It has important effects on the growth and differen

產品型號：Z02996

更新時間：2025-11-06

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重組蛋白

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產品介紹

產品簡介

Species

Mouse

Protein Construction

IL-4 (His21-Ser140)
Accession # P07750

Purity

> 95% as analyzed by SDS-PAGE
> 95% as analyzed by HPLC

Endotoxin Level

< 0.2 EU/μg of protein by gel clotting method

Biological Activity

ED50 < 2.0 ng/ml, measured in a cell proliferation assay using murine HT-2 cells, corresponding to a specific activity of > 5.0 × 105 U/mg.

Expression System

CHO

Apparent Molecular Weight

~15 kDa, on SDS-PAGE under reducing conditions.

Formulation

Lyophilized after extensive dialysis against PBS.

Reconstitution

It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in ddH?O or PBS up to 100 μg/ml.

Storage & Stability

Upon receiving, this product remains stable for 6 months at lower than -70°C. Upon reconstitution, the product should be stable for 1 week at 4°C or for 3 months at -20°C. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Avoid repeated freeze-thaw cycles.

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