Compstatin TFA, a 13-residue cyclic peptide, is a potent inhibitor of the complement system C3 with species specificity. Compstatin TFA binds to baboon C3 and is resistant to proteolytic cleavage in baboon blood (similar to humans). Compstatin TFA inhibits only the activation of primates’ complement system. Compstatin TFA exhibits IC50 values of 63 μM and 12 μM for classical and alterative complement pathway, respectively.
| Molecular Weight | 1664.79 |
| Solubility (25°C) | DMSO 90 mg/mL Water 50 mg/mL |
| Storage | -20°C, protect from light, sealed |
| 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.
| Related Complement System Products |
|---|
| P014
P014 is a C5 antibody/CFH fragment fusion protein that can be used in studies related to paroxysmal sleep hemoglobinuria (PNH) and thrombotic microangiopathy (TMA). |
| POT-4
POT-4 (AL-78898A), a Compstatin derivative, is a potent inhibitor of complement factor C3 activation. |
| TLQP-21
TLQP-21, a VGF-derived peptide endowed of endocrine and extraendocrine properties, is a potent G-protein-coupled receptor complement-3a receptor 1 (C3aR1) agonist (EC50: mouse TLQP-21=10.3 μM; human TLQP-21=68.8 μM). |
| N-((Allyloxy)carbonyl)-N-methyl-L-alanine
N-((Allyloxy)carbonyl)-N-methyl-L-alanine is a Alanine derivative. |
| C5a Receptor agonist, mouse, human
C5a Receptor agonist, mouse, human is a biological active peptide. |
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