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Melittin TFA

Cat. No. M14513
Melittin TFA Structure
Size Price Availability Quantity
5mg USD 150  USD150 In stock
10mg USD 260  USD260 In stock
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Quality Control & Documentation
Biological Activity

Melittin TFA is a PLA2 activator, stimulates the activity of the low molecular weight PLA2, while it does not the increase activity of the high molecular weight PLA2.

Chemical Information
Molecular Weight 2960.48
CAS Number 20449-79-0 (free base)
Solubility (25°C) Water ≥ 50 mg/mL
Storage -20°C, protect from light, sealed
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Belinda Pastrana-Rios, et al. Trifluoroacetic acid as excipient destabilizes melittin causing the selective aggregation of melittin within the centrin-melittin-trifluoroacetic acid complex

[2] Robert H Dods, et al. Acyl transfer from membrane lipids to peptides is a generic process

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