4ty7

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== Function ==
== Function ==
[https://www.uniprot.org/uniprot/FA11_HUMAN FA11_HUMAN] Factor XI triggers the middle phase of the intrinsic pathway of blood coagulation by activating factor IX.
[https://www.uniprot.org/uniprot/FA11_HUMAN FA11_HUMAN] Factor XI triggers the middle phase of the intrinsic pathway of blood coagulation by activating factor IX.
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== Publication Abstract from PubMed ==
 
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Novel inhibitors of FXIa containing an (S)-2-phenyl-1-(4-phenyl-1H-imidazol-2-yl)ethanamine core have been optimized to provide compound 16b, a potent, reversible inhibitor of FXIa (Ki = 0.3 nM) having in vivo antithrombotic efficacy in the rabbit AV-shunt thrombosis model (ID50 = 0.6 mg/kg + 1 mg kg-1 h-1). Initial analog selection was informed by molecular modeling using compounds 11a and 11h overlaid onto the X-ray crystal structure of tetrahydroquinoline 3 complexed to FXIa. Further optimization was achieved by specific modifications derived from careful analysis of the X-ray crystal structure of the FXIa/11h complex. Compound 16b was well tolerated and enabled extensive pharmacologic evaluation of the FXIa mechanism up to the ID90 for thrombus inhibition.
 
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Phenylimidazoles as Potent and Selective Inhibitors of Coagulation Factor XIa with in Vivo Antithrombotic Activity.,Hangeland JJ, Friends TJ, Rossi KA, Smallheer JM, Wang C, Sun Z, Corte JR, Fang T, Wong PC, Rendina AR, Barbera FA, Bozarth JM, Luettgen JM, Watson CA, Zhang G, Wei A, Ramamurthy V, Morin PE, Bisacchi GS, Subramaniam S, Arunachalam P, Mathur A, Seiffert DA, Wexler RR, Quan ML J Med Chem. 2014 Dec 2. PMID:25405503<ref>PMID:25405503</ref>
 
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
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==See Also==
==See Also==

Revision as of 06:52, 3 April 2024

Factor XIa in complex with the inhibitor (2S)-6-amino-N-{(1S)-1-[4-(3-amino-2H-indazol-6-yl)-5-chloro-1H-imidazol-2-yl]-2-phenylethyl}-2-ethylhexanamide

PDB ID 4ty7

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