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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 |
| Related Complement System Products |
|---|
| Eculizumab
Eculizumab is a first-in-class recombinant humanized monoclonal antibody targeting complement protein C5. C5, which can only recognize humans, cannot bind to C5 of other species. |
| SB290157 trifluoroacetate salt
SB290157 is a selective antagonist of complement anaphylatoxin C3a receptor, a 74 amino acid proinflammatory peptide that is a potent chemotaxin for eosinophils, macrophages and mast cells. |
| JPE-1375
JPE-1375 is a complement C5a receptor 1 (C5aR1) antagonist. JPE-1375 effectively inhibits polymorphonuclear leukocyte mobilization (EC50=6.9 µM) and reduces TNF levels (EC50=4.5 µM) in mice. |
| Compstatin
Compstatinis is a 13-residue cyclic peptide, binds to complement component C3 and inhibits complement activation with IC50 of 12 μM. Compstatin exhibits exclusive specificity for primate C3s and does not bind either to C3s from lower mammalian species or to two structural homologs of C3, human C4 and C5. |
| Avacopan
Avacopan (CCX168) is a first-in-class, potent, selective and orally available complement 5a receptor (C5aR1 or CD88) antagonist with an IC50 of 0.1 nM. |
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