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R&D Systems™ Recombinant Human CNTF Protein

Product Code. 18334837
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Quantity:
10 μg
50 μg
Formulation:
Lyophilized from a 0.2μm filtered solution in PBS, NaCl, EDTA, DTT and CHAPS with BSA as a carrier protein.
Lyophilized from a 0.2μm filtered solution in PBS, NaCl, EDTA, DTT and CHAPS.
Unit Size:
10µg
50µg
This item is not returnable. View return policy

Product Code. 18334837

Brand: R&D Systems™ 257NT010/CF

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This item is not returnable. View return policy

Description

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

The Recombinant Human CNTF Protein is derived from E. coli. The Recombinant Human CNTF Protein has been validated for the following applications: Bioactivity.
TRUSTED_SUSTAINABILITY

Specifications

Formulation Lyophilized from a 0.2μm filtered solution in PBS, NaCl, EDTA, DTT and CHAPS.
Gene ID (Entrez) 1270
Molecular Weight (g/mol) 22.8 kDa
Name CNTF
Quantity 10 μg
Source E. coli-derived human CNTF protein Ala2-Met200
Storage Requirements Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 3 months, 2 to 8° C under sterile conditions after reconstitution.
Structural Form This recombinant protein is prone to proteolytic degradation at the C-terminus, resulting in proteins with molecular masses of 22.2 - 22.8 kDa.
Endotoxin Concentration <0.1 EU per 1μg of the protein by the LAL method.
Conjugate Unconjugated
Recombinant Recombinant
Activity Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The ED50 for this effect is 0.03-0.18 μg/mL. The proliferative effect can be enhanced up to 100-fold by the addition of Recombinant Human CNTF R alpha (Catalog # 303-CR ) .
Purity or Quality Grade 97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
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