aprotinin   Click here for help

GtoPdb Ligand ID: 6570

Synonyms: basic protease inhibitor (BPI) | BPTI | pancreatic trypsin inhibitor | Trasylol®
Approved drug
aprotinin is an approved drug (FDA (1993))
Compound class: Peptide
Comment: 58 amino-acid residue inhibitor of plasmin and other proteolytic enzymes.
Species: Bovine
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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)CNC(=O)CNC(=O)[C@H](Cc4ccc(cc4)O)NC(=O)[C@@H](NC(=O)[C@H](Cc4ccccc4)NC(=O)[C@@H](NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CSSC[C@H](NC(=O)[C@H](CC(=O)O)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)[C@@H](NC3=O)CCCNC(=N)N)C)CCCCN)CCCNC(=N)N)CC(=O)N)CC(=O)N)Cc3ccccc3)CCCCN)CO)C)CCC(=O)O)C(=O)N[C@@H](CCSC)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)N3[C@H](C(=O)N4[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)NCC(=O)N5[C@H](C(=O)N2)CCC5)[C@H](O)C)Cc2ccc(cc2)O)CCC4)CCC3)CCC(=O)O)CC(C)C)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H]2CCCN2C(=O)[C@H](CCCNC(=N)N)N)CC(=O)O)Cc2ccccc2)C(=O)NCC(=O)NCC(=O)N[C@H](C(=O)O)C)[C@H](O)C)CCCNC(=N)N)NC(=O)[C@H](CC(C)C)NC(=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](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC1=O)C)CCCNC(=N)N)[C@H](CC)C)[C@H](CC)C)CCCNC(=N)N)Cc1ccc(cc1)O)Cc1ccccc1)Cc1ccc(cc1)O)CC(=O)N)C)CCCCN)C)[C@H](O)C)C(C)C
Isomeric SMILES CC[C@H](C)[C@H]1C(=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)NCC(=O)N[C@H](C(=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](CSSC[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N4CCC[C@H]4C(=O)N4CCC[C@H]4C(=O)N[C@H](C(=O)N[C@H](C(=O)NCC(=O)N4CCC[C@H]4C(=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)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)N3)CC(=O)O)CCC(=O)O)C)CO)CCCCN)Cc3ccccc3)CC(=O)N)CC(=O)N)CCCNC(=N)N)CCCCN)C)CCCNC(=N)N)NC(=O)CNC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC2=O)CCC(=O)N)[C@@H](C)O)Cc2ccccc2)C(C)C)Cc2ccc(cc2)O)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CCCNC(=N)N)C)CCCCN)[C@@H](C)O)Cc1ccc(cc1)O)CCC(=O)O)CC(C)C)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(=O)O)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CCCNC(=N)N)N)C(=O)NCC(=O)NCC(=O)N[C@@H](C)C(=O)O)[C@@H](C)O)CCCNC(=N)N)CCSC)CC(C)C)C)CCCCN)C)CC(=O)N)Cc1ccc(cc1)O)Cc1ccccc1)Cc1ccc(cc1)O)CCCNC(=N)N)[C@@H](C)CC
InChI Key ZPNFWUPYTFPOJU-LPYSRVMUSA-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/)

Selectivity at enzymes
Key to terms and symbols Click column headers to sort
Target Sp. Type Action Value Parameter Concentration range (M) Reference
plasminogen Primary target of this compound Hs Inhibitor Binding 6.8 pIC50 - 1
pIC50 6.8 (IC50 1.6x10-7 M) [1]