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R&D Systems™ Recombinant Human CNTF Protein

Product Code. 18178520
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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
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Product Code. Quantity Formulation unitSize
18178520 10 μg Lyophilized from a 0.2μm filtered solution in PBS, NaCl, EDTA, DTT and CHAPS with BSA as a carrier protein. 10µg
18187690 50 μg Lyophilized from a 0.2μm filtered solution in PBS, NaCl, EDTA, DTT and CHAPS with BSA as a carrier protein. 50µg
18334837 10 μg Lyophilized from a 0.2μm filtered solution in PBS, NaCl, EDTA, DTT and CHAPS. 10µg
18146870 50 μg Lyophilized from a 0.2μm filtered solution in PBS, NaCl, EDTA, DTT and CHAPS. 50µg
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Product Code. 18178520 Supplier R&D Systems™ Supplier No. 257NT010

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199.50 GBP valid until 2026-03-31
BEST PRICE on Promo! Use promo code "27931" to get your promotional price.
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 with BSA as a carrier protein.
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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