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  • Cecropin B

Cecropin B

Cat.#: 300711

Size:
Optional Service: TFA RemovalWhat's this?

Special Price 328.9 USD

Availability: 4 weeks
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Product Information

  • Product Name
    Cecropin B
  • Documents
  • Quantity/Unit
    1 Vial
  • Sequence
    KWKVFKKIEKMGRNIRNGIVKAGPAIAVLGEAKAILS
  • Three letter code
    Lys-Trp-Lys-Val-Phe-Lys-Lys-Ile-Glu-Lys-Met-Gly-Arg-Asn-Ile-Arg-Asn-Gly-Ile-Val-Lys-Ala-Gly-Pro-Ala-Ile-Ala-Val-Leu-Gly-Glu-Ala-Lys-Ala-Ile-Leu-Ser
  • Length (aa)
    37
  • Peptide Purity (HPLC)
    95.7
  • Source
    Synthetic
  • Additional Information
    See also Cecropin A (AP00139). Active against insect pathogens S. marcescens, P. aeruginosa, X. nematophilus, as well as other strains such as E. colo K12, B. megaterium (inhibition zone assays). Cecropin B has Antimicrobial activity. The source of Cecropin B is giant silk moth, Hyalophora cecropia.
  • Storage Guidelines
    Ideally Cecropin B should be stored in a freezer at or below -9C. Cecropin B should be refrigerated after reconstitution. For more details, please refer to the manual:Handling and Storage of Synthetic Peptides
  • References
    • Steiner H, Hultmark D, Engström A, Bennich H, Boman HG. Sequence and specificity of two antibacterial proteins involved in insect immunity. Nature. 1981;292(5820):246-8.
  • About TFA salt

    Trifluoroacetic acid (TFA) is a strong acid, which is commonly used to cleave synthesized peptides from solid-phase resins and is also used to improve HPLC performance in the peptide purification step. By default, custom peptides are delivered as lyophilized TFA salts, and can contain as much as 10-45% TFA.

    TFA in custom peptides can cause inexplicable discrepancies in subsequent assay data. For instance, TFA in nM concentrations has been shown to interfere with cellular assays, inhibiting cellular proliferation in some instances, and increasing cell viability in others . It has also been found to be an unintended allosteric modulator of the glycine receptor, GlyR.

    TFA Removal Service is recommended for:

    • Peptides that will be used in cellular assays
    • Peptides that will be used as APIs or in manufactured products
    • For hydrophilic peptides containing numerous basic residues

Peptide Services: NovoPro's peptide synthesis services include standard chemical peptide synthesis, peptide modification, peptide libraries, and recombinant peptide expression.

Standard Peptide Synthesis: NovoPro offers quality peptides at the most competitive prices in the industry, starting at $3.20 per amino acid. NovoPro provides PepBox – Automatic Quote Tool for online price calculation.

Peptide Modifications: NovoPro offers a wide range of peptide modification services including isotope labeling (2H, 15N, and 13C), multiple disulfide bonds, multiple phosphorylations, KLH, BSA, ovalbumin, amidation, acetylation, biotin, FITC, etc.

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"