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My Cart> Small Molecule Compounds > Inhibitors & Antagonists & Agonists > Immunology & Inflammation > CompstatinCAS：206645-99-0
Molecular Formula：C66H99N23O17S2
Molecular Weight：1550.77
Storage：Powder:-20℃，2 years;Insolvent(Mother Liquid):-20℃，6 months;-80℃，1 year
Purity：≥98%
Appearance：White to off-white Solid
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| CAS | 206645-99-0 |
| Name | Compstatin |
| Molecular Formula | C66H99N23O17S2 |
| Molecular Weight | 1550.77 |
| Solubility | Soluble in DMSO ≥10mg/mL |
| Purity | ≥98% |
| Appearance | White to off-white Solid |
| Storage | Powder:-20℃，2 years;Insolvent(Mother Liquid):-20℃，6 months;-80℃，1 year |
| MDL | MFCD09263618 |
| SMILES | CCC(C)C(C(=O)NC1CSSCC(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)CNC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC1=O)C(C)C)C(C)C)CCC(=O)N)CC(=O)O)CC2=CNC3=CC=CC=C32)CC4=CN=CN4)CC5=CN=CN5)CCCN=C(N)N)C(=O)NC(C(C)O)C(=O)N)N |
| Target Point | complement component C3 |
| Passage | Immunology & Inflammation |
| Background | It is a 13-residue cyclic peptide and a potent inhibitor of the complement system. |
| Biological Activity | Compstatin, a 13-residue cyclic peptide, is a potent inhibitor of the complement system C3 with species specificity. Compstatin binds to baboon C3 and is resistant to proteolytic cleavage in baboon blood (similar to humans). Compstatin inhibits only the activation of primates’ complement system. Compstatin exhibits IC50 values of 63 μM and 12 μM for classical and alterative complement pathway, respectively[1-4]. |
| Data Literature Source | [1]. Soulika AM，et al. Inhibition of heparin/protamine complex-induced complement activation by Compstatin in baboons. Clin Immunol. 2000 Sep;96(3):212-21. [2]. Fiane AE，et al. Compstatin，a peptide inhibitor of C3，prolongs survival of ex vivo perfused pig xenografts. Xenotransplantation. 1999 Feb;6(1):52-65. [3]. Bert J C Janssen，et al. Structure of compstatin in complex with complement component C3c reveals a new mechanism of complement inhibition. J Biol Chem. 2007 Oct 5;282(40):29241-7. [4]. A Sahu，et al. Inhibition of human complement by a C3-binding peptide isolated from a phage-displayed random peptide library. J Immunol. 1996 Jul 15;157(2):884-91. |
| Unit | Bottle |
| Specification | 1mg 5mg |
Remark：These protocols are for reference only. Solarbio does not independently validate these methods.
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