"Lethal Factor" Related Products

Recombinant Anthrax Lethal Factor protein

Cat.No.: LF-135
Product Overview: Recombinant Anthrax Lethal Factor (E687C) with with a Glu to Cys substitution in the zinc-binding site, eliminating the enzymatic activity was expressed in B. anthracis.
Description: Lethal Factor (LF) is the enzymatic subunit of anthrax lethal toxin. When intoxicating a cell, LF binds to PA on the cell surface and translocates through a pore made by seven PA monomers.
Source: B. anthracis
Species: B. anthracis
Form: This LF mutant, E687C, has no enzymatic activity. When reconstituted with 0.1 ml of water, each vial contains 0.1 mg protein in 5 mM HEPES, 50 mM NaCl, pH 7.5.
Bio-activity: In immunodiffusion studies, anthrax mutant lethal factor shows similar immuno-precipitation as anthrax lethal factor when reacted against a specific antiserum to anthrax lethal factor. LF mutant does not cleave the synthetic peptide substrate MAPKKide. No cytotoxicity was detected with 1 μg/ml (11 nM) LF mutant in the presence of 1 μg/ml (12 nM) protective antigen when tested on J774.1A cells.
Molecular Mass: With apparent molecular weights of 88 kDa and 90 kDa
Storage: This product is packaged aseptically, lyophilized and sealed under vacuum. Store at 2-8 centigrade prior to reconstitution.
Concentration: 1 mg/mL
Warning: Good laboratory technique should be employed in the safe handling of this product. This requlres observing the following practices:
1. Wear appropriate laboratory attire including a lab coat, gloves and safety glasses.
2. Do not mouth pipette, inhale, ingest or allow to come into contact with open wounds. Wash thoroughly any area of the body which comes into contact with the product.
3. Avoid accidental autoinoculation by exercising extreme care when handling in conjunction with any injection device.
4. This product is intended for research purposes by qualified personnel only. It is not intended for use in humans or as a diagnostic agent. Our company is not liable for any damages resulting from the misuse or handling of this product.

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Optional requirements on this protein    +Expand
C-fusion    N-fusion   Non-tagged
His    GST   Fc   Others
<1.0 eu/μg    <0.1 eu/μg   <0.01 eu/μg   Not required
Monomer Isolation    Dimer Isolation    Not required
>80% by SDS-PAGE    >90% by SDS-PAGE   >95% by SDS-PAGE   Others

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