lepirudin   Click here for help

GtoPdb Ligand ID: 6469

Synonyms: 1-L-leucine-2-L-threonine-63-desulfohirudin | Refludan®
Approved drug
lepirudin is an approved drug (FDA (1998))
Compound class: Peptide or derivative
Comment: Discontinued (not withdrawn). The drug is a recombinant form of hirudin, the salivary anticoagulant found in leeches (see UniProt P01050), but has two amino acid modifications; substitution of Leu1 for Ile and no sulfate group on Tyr63. The PubChem entry linked to above represents the chemical structure of Lepirudin.
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Ligand Activity Visualisation Charts

These are box plot that provide a unique visualisation, summarising all the activity data for a ligand taken from ChEMBL and GtoPdb across multiple targets and species. Click on a plot to see the median, interquartile range, low and high data points. A value of zero indicates that no data are available. A separate chart is created for each target, and where possible the algorithm tries to merge ChEMBL and GtoPdb targets by matching them on name and UniProt accession, for each available species. However, please note that inconsistency in naming of targets may lead to data for the same target being reported across multiple charts.

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View interactive charts of activity data across species

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View more information in the IUPHAR Pharmacology Education Project: lepirudin

2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

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Canonical SMILES NCCCC[C@@H](C(=O)N1CCC[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)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)N1CCC[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)O)CCC(=O)N)CC(C)C)Cc1ccc(cc1)O)CCC(=O)O)CCC(=O)O)[C@H](CC)C)CCC(=O)O)CCC(=O)O)Cc1ccccc1)CC(=O)O)CC(=O)O)CC(=O)N)Cc1nc[nH]c1)CO)CCC(=O)N)NC(=O)[C@@H]1CCCN1C(=O)[C@H]([C@H](O)C)NC(=O)CNC(=O)[C@@H](NC(=O)CNC(=O)[C@H]([C@H](O)C)NC(=O)[C@H](C(C)C)NC(=O)[C@@H]1CSSC[C@@H]2NC(=O)[C@@H](NC(=O)[C@H](CC(=O)N)NC(=O)[C@H](CO)NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CSSC[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)CNC2=O)CCC(=O)N)CC(=O)N)CCCCN)C(=O)N[C@@H]([C@H](CC)C)C(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CCC(=O)N)CC(=O)N)CCCCN)CCC(=O)O)CC(=O)O)CO)CC(C)C)NC(=O)[C@@H](NC(=O)[C@@H]1CSSC[C@H](NC(=O)[C@@H](NC(=O)[C@H]([C@H](O)C)NC(=O)[C@@H](NC(=O)[C@H]([C@H](O)C)NC(=O)[C@H](CC(C)C)N)Cc2ccc(cc2)O)CC(=O)O)C(=O)N[C@@H]([C@H](O)C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CC(C)C)CC(=O)N)CCC(=O)N)CO)CC(C)C)C(C)C)CCC(=O)O
Isomeric SMILES NCCCC[C@@H](C(=O)N1CCC[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)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)N1CCC[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)O)CCC(=O)N)CC(C)C)Cc1ccc(cc1)O)CCC(=O)O)CCC(=O)O)[C@H](CC)C)CCC(=O)O)CCC(=O)O)Cc1ccccc1)CC(=O)O)CC(=O)O)CC(=O)N)Cc1nc[nH]c1)CO)CCC(=O)N)NC(=O)[C@@H]1CCCN1C(=O)[C@H]([C@H](O)C)NC(=O)CNC(=O)[C@@H](NC(=O)CNC(=O)[C@H]([C@H](O)C)NC(=O)[C@H](C(C)C)NC(=O)[C@@H]1CSSC[C@@H]2NC(=O)[C@@H](NC(=O)[C@H](CC(=O)N)NC(=O)[C@H](CO)NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CSSC[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)CNC2=O)CCC(=O)N)CC(=O)N)CCCCN)C(=O)N[C@@H]([C@H](CC)C)C(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CCC(=O)N)CC(=O)N)CCCCN)CCC(=O)O)CC(=O)O)CO)CC(C)C)NC(=O)[C@@H](NC(=O)[C@@H]1CSSC[C@H](NC(=O)[C@@H](NC(=O)[C@H]([C@H](O)C)NC(=O)[C@@H](NC(=O)[C@H]([C@H](O)C)NC(=O)[C@H](CC(C)C)N)Cc2ccc(cc2)O)CC(=O)O)C(=O)N[C@@H]([C@H](O)C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CC(C)C)CC(=O)N)CCC(=O)N)CO)CC(C)C)C(C)C)CCC(=O)O
InChI Key FIBJDTSHOUXTKV-BRHMIFOHSA-N
Classification Click here for help
Compound class Peptide or derivative
Approved drug? Yes (FDA (1998))
International Nonproprietary Names Click here for help
INN number INN
7355 lepirudin
Synonyms Click here for help
1-L-leucine-2-L-threonine-63-desulfohirudin | Refludan®
Database Links Click here for help
Specialist databases
Reactome Drug Reactome logo R-ALL-9603268
Reactome Reaction Reactome logo R-HSA-9603302
Other databases
CAS Registry No. 138068-37-8 (source: PubChem)
GtoPdb PubChem SID 178103083
PubChem CID 118856773
Search Google for chemical match using the InChIKey FIBJDTSHOUXTKV-BRHMIFOHSA-N
Search Google for chemicals with the same backbone FIBJDTSHOUXTKV
Search PubMed clinical trials lepirudin
Search PubMed titles lepirudin
Search PubMed titles/abstracts lepirudin
UniChem Compound Search for chemical match using the InChIKey FIBJDTSHOUXTKV-BRHMIFOHSA-N
UniChem Connectivity Search for chemical match using the InChIKey FIBJDTSHOUXTKV-BRHMIFOHSA-N
Wikipedia Lepirudin