compstatin   Click here for help

GtoPdb Ligand ID: 9218

Immunopharmacology Ligand
Comment: Compstatin is a cyclic 13 amino acid peptide inhibitor of complement component 3 (C3) [4-5]. Compstatin and analogues are being examined for immunomodulatory activity [1-2,6] in inflammatory and degenerative diseases [3].
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2D Structure
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SMILES / InChI / InChIKey
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Canonical SMILES CCC(C(C(=O)NC1CSSCC(NC(=O)C(CCCN=C(N)N)NC(=O)C(Cc2[nH]cnc2)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)Cc1c[nH]c2c1cccc2)Cc1[nH]cnc1)C(=O)NC(C(=O)N)C(O)C)N)C
Isomeric SMILES CC[C@@H]([C@@H](C(=O)N[C@H]1CSSC[C@H](NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](Cc2[nH]cnc2)NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC1=O)C(C)C)C(C)C)CCC(=O)N)CC(=O)O)Cc1c[nH]c2c1cccc2)Cc1[nH]cnc1)C(=O)N[C@H](C(=O)N)[C@H](O)C)N)C
InChI InChI=1S/C66H99N23O17S2/c1-8-32(6)50(68)63(104)86-46-27-108-107-26-45(62(103)89-53(33(7)90)54(69)95)85-56(97)39(14-11-17-74-66(70)71)80-59(100)43(20-36-24-73-29-78-36)83-58(99)42(19-35-23-72-28-77-35)79-48(92)25-76-55(96)41(18-34-22-75-38-13-10-9-12-37(34)38)82-60(101)44(21-49(93)94)84-57(98)40(15-16-47(67)91)81-64(105)51(30(2)3)88-65(106)52(31(4)5)87-61(46)102/h9-10,12-13,22-24,28-33,39-46,50-53,75,90H,8,11,14-21,25-27,68H2,1-7H3,(H2,67,91)(H2,69,95)(H,72,77)(H,73,78)(H,76,96)(H,79,92)(H,80,100)(H,81,105)(H,82,101)(H,83,99)(H,84,98)(H,85,97)(H,86,104)(H,87,102)(H,88,106)(H,89,103)(H,93,94)(H4,70,71,74)/t32-,33+,39-,40-,41-,42-,43-,44-,45-,46-,50-,51-,52-,53-/m0/s1
InChI Key RDTRHBCZFDCUPW-KWICJJCGSA-N
Classification Click here for help
Compound class Peptide or derivative
IUPAC Name Click here for help
2-[(4R,7S,10S,13S,19S,22S,25S,28S,31S,34R)-4-[[(2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl]carbamoyl]-34-[[(2S,3S)-2-amino-3-methylpentanoyl]amino]-25-(3-amino-3-oxopropyl)-7-[3-(diaminomethylideneamino)propyl]-10,13-bis(1H-imidazol-5-ylmethyl)-19-(1H-indol-3-ylmethyl)-6,9,12,15,18,21,24,27,30,33-decaoxo-28,31-di(propan-2-yl)-1,2-dithia-5,8,11,14,17,20,23,26,29,32-decazacyclopentatriacont-22-yl]acetic acid
Database Links Click here for help
BindingDB Ligand 50241352
CAS Registry No. 206645-99-0 (source: PubChem)
ChEMBL Ligand CHEMBL266963
GtoPdb PubChem SID 315661294
PubChem CID 25082538
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Tocris
Compstatin
Cat. No. 2585