4ISI image
Deposition Date 2013-01-16
Release Date 2013-02-27
Last Version Date 2024-11-06
Entry Detail
PDB ID:
4ISI
Title:
Structure of FACTOR VIIA in complex with the inhibitor (6S)-N-(4-CARBAMIMIDOYLBENZYL)-1-CHLORO-3-(CYCLOBUTYLAMINO)-8,8-DIETHYL-4-OXO-4,6,7,8-TETRAHYDROPYRROLO[1,2-A]PYRAZINE-6-CARBOXAMIDE
Biological Source:
Source Organism:
Homo sapiens (Taxon ID: 9606)
Host Organism:
Method Details:
Experimental Method:
Resolution:
1.94 Å
R-Value Free:
0.22
R-Value Work:
0.20
R-Value Observed:
0.21
Space Group:
P 41 21 2
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:Factor VII heavy chain
Gene (Uniprot):F7
Chain IDs:A (auth: H)
Chain Length:254
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Factor VII light chain
Gene (Uniprot):F7
Chain IDs:B (auth: L)
Chain Length:55
Number of Molecules:1
Biological Source:Homo sapiens
Primary Citation
Design and synthesis of bicyclic pyrazinone and pyrimidinone amides as potent TF-FVIIa inhibitors.
Bioorg.Med.Chem.Lett. 23 1604 1607 (2013)
PMID: 23416003 DOI: 10.1016/j.bmcl.2013.01.094

Abstact

Bicyclic pyrazinone and pyrimidinone amides were designed and synthesized as potent TF-FVIIa inhibitors. SAR demonstrated that the S2 and S3 pockets of FVIIa prefer to bind small, lipophilic groups. An X-ray crystal structure of optimized compound 9b bound in the active site of FVIIa showed that the bicyclic scaffold provides 5 hydrogen bonding interactions in addition to projecting groups for interactions within the S1, S2 and S3 pockets. Compound 9b showed excellent FVIIa potency, good selectivity against FIXa, Xa, XIa and chymotrypsin, and good clotting activity.

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