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You are here:Home » Growth Factors, Cytokines » Growth Factors-MCP » MCP4, Recombinant, Human (Macrophage/Monocyte Chemotactic Protein 4)

MCP4, Recombinant, Human (Macrophage/Monocyte Chemotactic Protein 4)

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Specifications

Catalog #M2750-18B2
SourceRecombinant corresponding to 75aa from human MCP4 expressed in E. coli.
Molecular Weight~8.6kD
Endotoxin ~0.1ng/ug
Biological ActivityDetermined by measuring concentration dependent chemotaxis with human blood cells. A concentration range of 10-100ng/ml produces significant chemotaxis with human eosinophils. The optimal concentration should be determined for each specific application. MCP-4 is a b-chemokine (C-C chemokine).
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight~8.6kD
Purity~98% (SDS-PAGE, HPLC)
ConcentrationNot determined
FormSupplied as a lyophilized powder. BSA free. Reconstitute with sterile dH2O to 0.1-1mg/ml.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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