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Recombinant Rat CNTF Protein

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SDS-Page: Rat CNTF Protein [NBP2-35289]

Product Details

Summary
Reactivity RtSpecies Glossary
Applications PAGE, Bioactivity
Format
Carrier-Free
Concentration
LYOPH

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Recombinant Rat CNTF Protein Summary

Description
A single non-glycosylated polypeptide chain containing 199 amino acids corresponding to CNTF Source: E. coli

Uniprot ID: P20294

Amino Acid Sequence: AFAEQTPLTL HRRDLCSRSI WLARKIRSDL TALMESYVKH QGLNKNINLD SVDGVPVAST DRWSEMTEAE RLQENLQAYR TFQGMLTKLL EDQRVHFTPT EGDFHQAIHT LMLQVSAFAY QLEELMVLLE QKIPENEADG MPATVGDGGL FEKKLWGLKV LQELSQWTVR SIHDLRVISS HQMGISALES HYGAKDKQM

This lyophilized preparation is stable at 2-8 degrees C, but should be kept at -20 degrees C for long term storage, preferably desiccated. Upon reconstitution, the preparation is most stable at -20 to -80 degrees C, and can be stored for one week at 2-8 degrees C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 degrees C to -80 degrees C. Avoid repeated freeze/thaw cycles.

Details of Functionality
CNTF Protein is 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 x 10^4 IU/mg.
Source
E. coli
Protein/Peptide Type
Recombinant Protein
Gene
CNTF
Purity
>95%, by SDS-PAGE and HPLC
Endotoxin Note
Less than 1 EU/ug of CNTF as determined by LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
  • SDS-Page
Theoretical MW
22.7 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publication using NBP2-35289.

Packaging, Storage & Formulations

Storage
Store at -20 to -70C as supplied. After reconstitution, store at 2 to 8C for 1 month and at -20 to -70C for long term storage. Avoid repeated freeze-thaw cycles.
Buffer
Lyophilized from a 0.2 um filtered concentrated solution in 2 x PBS, pH 7.4, 2 % trehalose.
Preservative
Trehalose
Concentration
LYOPH
Purity
>95%, by SDS-PAGE and HPLC
Reconstitution Instructions
Recommended to centrifuge prior to opening. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1mg/mL. Apportion stock solutions into working aliquots and store at <-20C.

Alternate Names for Recombinant Rat CNTF Protein

  • ciliary neurotrophic factor
  • CNTF
  • HCNTF

Background

Ciliary neurotrophic factor (CNTF) is a polypeptide hormone whose actions appear to be restricted to the nervous system where it promotes neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. CNTF was initially identified as a trophic factor for embryonic chick ciliary parasympathetic neurons in culture. Furthermore, the protein is also a potent survival factor for neurons and oligodendrocytes and may be relevant in reducing tissue destruction during inflammatory attacks. In addition, CNTF is useful for treatment of motor neuron disease and it could reduce food intake without causing hunger or stress Recombinant rat CNTF containing 199 amino acids and it shares 83 % and 95 % a.a. sequence identity with human and murine CNTF.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 3 months from date of receipt.

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Publications for CNTF Protein (NBP2-35289)(1)

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Bioinformatics

Gene Symbol CNTF
Uniprot