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Key Properties
−| Source | Escherichia coli |
|---|---|
| Expression System | Escherichia coli |
| Biological Activity | Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 30 ng/ml, corresponding to a specific activity of > 3.3 x104 IU/mg. |
| Endotoxins | Less than 1 EU/ug of rRtCNTF as determined by LAL method. |
| MW | Approximately 22.7 kDa, a single non-glycosylated polypeptide chain containing 199 amino acids. |
| Purity | > 95 % by SDS-PAGE and HPLC analyses. |
| Protein Sequence | AFAEQTPLTL HRRDLCSRSI WLARKIRSDL TALMESYVKH QGLNKNINLD SVDGVPVAST DRWSEMTEAE RLQENLQAYR TFQGMLTKLL EDQRVHFTPT EGDFHQAIHT LMLQVSAFAY QLEELMVLLE QKIPENEADG MPATVGDGGL FEKKLWGLKV LQELSQWTVR SIHDLRVISS HQMGISALES HYGAKDKQM |
Storage & Handling
−| Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution. |
|---|---|
| Form/Appearance | Lyophilized from a 0.2 μm filtered concentrated solution in 2 x PBS, pH 7.4, 2 % trehalose. |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
Alternative Names
−CNTF
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Recombinant Human Ciliary Neurotrophic Factor (rHuCNTF ) [orb1494986]
>97% by SDS-PAGE and HPLC analyses.
Approximately 22.8 kDa, a single non-glycosylated polypeptide chain containing 199 amino acids.
Escherichia coli.
1 mg, 5 μg, 20 μgRat CNTF Protein, His Tag/His-IF2DI Tag [orb754264]
ELISA, WB
Greater than 95% as determined by SDS-PAGE
21.9 kDa
E.Coli
100 μg, 200 μg, 1 mg, 50 μg
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