GtoPdb is requesting financial support from commercial users. Please see our sustainability page for more information.

icatibant   Click here for help

GtoPdb Ligand ID: 667

Synonyms: D-Arg-[Hyp3,Thi5,D-Tic7,Oic8]BK | Firazyr® | HOE 140 | HOE140
Approved drug Immunopharmacology Ligand
icatibant is an approved drug (EMA (2008), FDA (2011))
Compound class: Peptide
Comment: Synthetic analogue of bradykinin. There is some ambiguity in the literature and on online resources as to the exact chemical structure and stereochemistry of icatibant.
Click here for help
2D Structure
Click here for help
Click here for structure editor
SMILES / InChI / InChIKey
Click here for help
Canonical SMILES OC[C@@H](C(=O)N1Cc2ccccc2CC1C(=O)N1[C@H]2CCCC[C@H]2CC1C(=O)N[C@H](C(=O)O)CCCN=C(N)N)NC(=O)[C@H](Cc1cccs1)NC(=O)CNC(=O)C1C[C@H](CN1C(=O)C1CCCN1C(=O)C(NC(=O)[C@@H](CCCN=C(N)N)N)CCCN=C(N)N)O
Isomeric SMILES OC[C@@H](C(=O)N1Cc2ccccc2CC1C(=O)N1[C@H]2CCCC[C@H]2CC1C(=O)N[C@H](C(=O)O)CCCN=C(N)N)NC(=O)[C@H](Cc1cccs1)NC(=O)CNC(=O)C1C[C@H](CN1C(=O)C1CCCN1C(=O)C(NC(=O)[C@@H](CCCN=C(N)N)N)CCCN=C(N)N)O
InChI InChI=1S/C59H89N19O13S/c60-37(14-5-19-67-57(61)62)48(82)72-38(15-6-20-68-58(63)64)52(86)75-22-8-18-43(75)54(88)77-30-35(80)26-44(77)50(84)70-28-47(81)71-40(27-36-13-9-23-92-36)49(83)74-41(31-79)53(87)76-29-34-12-2-1-10-32(34)24-46(76)55(89)78-42-17-4-3-11-33(42)25-45(78)51(85)73-39(56(90)91)16-7-21-69-59(65)66/h1-2,9-10,12-13,23,33,35,37-46,79-80H,3-8,11,14-22,24-31,60H2,(H,70,84)(H,71,81)(H,72,82)(H,73,85)(H,74,83)(H,90,91)(H4,61,62,67)(H4,63,64,68)(H4,65,66,69)/t33-,35+,37+,38?,39-,40-,41-,42-,43?,44?,45?,46?/m0/s1
InChI Key QURWXBZNHXJZBE-MCDGZUPGSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)