ecallantide   Click here for help

GtoPdb Ligand ID: 6955

Synonyms: DX-88 | FOV2302 | Kalbitor®
Approved drug Immunopharmacology Ligand
ecallantide is an approved drug (FDA (2009))
Compound class: Peptide
Comment: This 60 amino acid peptide drug is an inhibitor of human plasma kallikrein (KLKB1; P03952). The recombinant protein is produced in yeast (Pichia pastoris).The chemical structure shown here was generated using the SMILES from PubChem CID 44152182.
2D Structure
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SMILES / InChI / InChIKey
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Canonical SMILES NCCCC[C@@H]1NC(=O)[C@@H]2CSSC[C@@H]3NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H](NC(=O)[C@H](Cc4ccccc4)NC(=O)[C@@H](NC(=O)[C@H](CC(=O)N)NC(=O)[C@H](Cc4ccccc4)NC(=O)[C@H](Cc4ccccc4)NC(=O)[C@@H](NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H]4CCCN4C(=O)[C@H](Cc4cnc[nH]4)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H](CSSC[C@H](NC(=O)CNC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC3=O)CCC(=O)O)CCC(=O)O)Cc3ccccc3)[C@H](CC)C)Cc3ccc(cc3)O)C(=O)N[C@@H](CCC(=O)O)C(=O)NCC(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N2)CCC(=O)O)CCC(=O)O)CC(C)C)CO)CCC(=O)O)Cc2ccccc2)CCCNC(=N)N)CC(=O)N)CCC(=O)N)CC(=O)N)NC(=O)[C@H]2N(C(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H](CSSC[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC1=O)CCCCN)CCSC)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)O)CC(=O)O)CCCNC(=N)N)[C@@H](O)C)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H](CCC(=O)O)N)C)CCSC)Cc1cnc[nH]1)CO)Cc1ccccc1)C)Cc1ccccc1)CCCCN)C)CC(=O)O)CC(=O)O)CCC2)CCCNC(=N)N)C)C)Cc1c[nH]c2c1cccc2)[C@H](CC)C)[C@@H](O)C
Isomeric SMILES CC[C@H](C)[C@H]1C(=O)N[C@H](C(=O)NCC(=O)NCC(=O)N[C@H]2CSSC[C@H]3C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N4CCC[C@H]4C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)NCC(=O)N4CCC[C@H]4C(=O)N3)CC(=O)O)CC(=O)O)C)CCCCN)Cc3ccccc3)C)NC(=O)[C@H](Cc3ccccc3)NC(=O)[C@H](CO)NC(=O)[C@H](Cc3cnc[nH]3)NC(=O)[C@H](CCSC)NC(=O)[C@H](C)NC(=O)[C@H](CCC(=O)O)N)C(=O)N[C@@H]([C@H](C)O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CC(=O)O)C(=O)O)CCSC)CCCCN)CCCCN)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC2=O)CCC(=O)O)CC(=O)N)CCC(=O)N)CC(=O)N)CCCNC(=N)N)Cc2ccccc2)CCC(=O)O)CO)CC(C)C)CCC(=O)O)CCC(=O)O)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)Cc1ccccc1)CCC(=O)O)CCC(=O)O)CCC(=O)N)CCCNC(=N)N)[C@H](C)O)Cc1ccccc1)[C@@H](C)CC)CC(=O)N)Cc1ccccc1)Cc1ccccc1)Cc1c[nH]c2ccccc12)CCCNC(=N)N)Cc1cnc[nH]1)C)C)CCCNC(=N)N)Cc1ccc(cc1)O
InChI Key VBGWSQKGUZHFPS-VGMMZINCSA-N
Peptide Sequence Click here for help
EAMHSFCAFKADDGPCRAAHPRWFFNIFTRQCEEFIYGGCEGNQNRFESLEECKKMCTRD
H-Glu-Ala-Met-His-Ser-Phe-Cys(1)-Ala-Phe-Lys-Ala-Asp-Asp-Gly-Pro-Cys(2)-Arg-Ala-Ala-His-Pro-Arg-Trp-Phe-Phe-Asn-Ile-Phe-aThr-Arg-Gln-Cys(3)-Glu-Glu-Phe-Ile-Tyr-Gly-Gly-Cys(2)-Glu-Gly-Asn-Gln-Asn-Arg-Phe-Glu-Ser-Leu-Glu-Glu-Cys(3)-Lys-Lys-Met-Cys(1)-aThr-Arg-Asp-OH
HELM Notation Click here for help
PEPTIDE1{E.A.M.H.S.F.C.A.F.K.A.D.D.G.P.C.R.A.A.H.P.R.W.F.F.N.I.F.[*C(=O)[C@H]([C@H](C)O)N* |$_R2;;;;;;;;_R1$|].R.Q.C.E.E.F.I.Y.G.G.C.E.G.N.Q.N.R.F.E.S.L.E.E.C.K.K.M.C.[*C(=O)[C@H]([C@H](C)O)N* |$_R2;;;;;;;;_R1$|].R.D}$PEPTIDE1,PEPTIDE1,16:R3-40:R3|PEPTIDE1,PEPTIDE1,32:R3-53:R3|PEPTIDE1,PEPTIDE1,7:R3-57:R3$$$
Download 2D Structure Click here for help
Canonical SMILES Download
Isomeric SMILES Download

Molecular structure representations generated using Open Babel