Target | Crotoxin |
Immunogen | Crotoxin |
Species Reactivity | N/A |
Application | WB, IP, ICC, FC, Cell Penetration |
Clone | WJ302 |
Host Animal | Llama |
Isotype | sdAb |
Clonality | Monoclonal |
Class | Primary |
Concentration | 1 mg/mL |
Conjugation | snGFP |
Storage Condition | Store at 4°C for short term (1-2 weeks). Aliquot and store at -20°C for long term. Avoid repeated freeze/thaw cycles. |
Target Background | Crotoxin is a cytotoxic PLA23 compound isolated from a South American snake, Crotalus durissus terrificus, venom. It is a noncovalent complex formed by two nonidentical subunits, one acidic (subunit A ∼9.5 kDa) and one basic (subunit B ∼14.5 kDa). Subunit B is a PLA2 formed by a single chain of 122 amino acid residues cross-linked by seven disulfide bonds. Subunit A is formed by three polypeptide chains cross-linked by seven disulfide bonds, is devoid of catalytic activity, has no affinity for membranes, and is nontoxic (LD50 i.v. mice> 20 mg/kg; Ref. 6 ). The two subunits form spontaneously a tight 1:1 complex. Crotoxin displays cytotoxic activity against a variety of murine and human tumor cell lines in vitro, which require both the PLA2 activity of subunit B and the ability of the complex to dissociate into their subunits. Crotoxin-induced cytotoxic effects appear to be highly selective toward cell lines expressing a high density of epidermal growth factor receptors, thus suggesting that epidermal growth factor receptors, or a receptor function, play a role in targeting. |
Target Synonym | crotoxin; venom; Crotalus durissus terrificus; cytotoxic PLA23 |
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