PGE1   Click here for help

GtoPdb Ligand ID: 1882

Synonyms: Alprostadil® | MR-256 | prostaglandin E1
Approved drug PDB Ligand
PGE1 is an approved drug (FDA (1981))
Comment: PGE1 is an endogenous prostaglandin. Synthetic PGE1 is known as alprostadil. PGE1 activates prostanoid family GPCRs.
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 5
Hydrogen bond donors 3
Rotatable bonds 13
Topological polar surface area 94.83
Molecular weight 354.24
XLogP 3.31
No. Lipinski's rules broken 1
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Isomeric SMILES CCCCC[C@@H](/C=C/[C@H]1[C@H](O)CC(=O)[C@@H]1CCCCCCC(=O)O)O
InChI InChI=1S/C20H34O5/c1-2-3-6-9-15(21)12-13-17-16(18(22)14-19(17)23)10-7-4-5-8-11-20(24)25/h12-13,15-17,19,21,23H,2-11,14H2,1H3,(H,24,25)/b13-12+/t15-,16+,17+,19+/m0/s1
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Summary of Clinical Use Click here for help
The approved drug alprostadil, which is synthetic PGE1, is mainly used to treat erectile dysfunction. It may also be used to maintain the patency of the ductus arteriosus in neonates with congenital heart defects awaiting corrective surgery.
Mechanism Of Action and Pharmacodynamic Effects Click here for help
Alprostadil's main actions occur via activation of the prostanoid EP1 and EP2 receptors. For an overview of the mechanism of action of alprostadil, please see the DrugBank link on this ligand's Summary tab.
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