Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF) was initially characterized as a growth factor that can support the in vitro colony formation of granulocyte-macrophage progenitors. Granulocy

产品型号：Z02983

更新时间：2025-11-06

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PRODUCT CLASSIFICATION

重组蛋白

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产品介绍

产品简介

Species

Human

Protein Construction

GM-CSF (Ala18-Glu144)
Accession # P04141

Purity

> 95% as analyzed by SDS-PAGE

Endotoxin Level

< 0.2 EU/μg of protein by gel clotting method

Biological Activity

ED50 < 0.2 ng/ml, measured in a cell proliferation assay using TF-1 cells, corresponding to a specific activity of > 5.0 × 106 U/mg.

Expression System

CHO

Apparent Molecular Weight

22~28 kDa, on SDS-PAGE under non-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 ddH₂O 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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