ISDA

Entry Detail

PDB ID:

4X6M

Keywords:

Title:

FACTOR XIA IN COMPLEX WITH THE INHIBITOR 1-{(1S)-1-[4-(3-amino-1H-indazol-6-yl)-5-chloro-1H-imidazol-2-yl]-2-phenylethyl}-3-[2-(aminomethyl)-5-chlorobenzyl]urea

Biological Source:

Source Organism:

Homo sapiens

Host Organism:

Escherichia coli

PDB Version:

Deposition Date:

2014-12-08

Release Date:

2015-02-18

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.40 Å

R-Value Free:

0.23

R-Value Work:

0.19

R-Value Observed:

0.19

Space Group:

P 32 2 1

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Description:Coagulation factor XI, light chain
Mutations:N113G, T115G
Chain IDs:A
Chain Length:244
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:P03951 Pfam ID:PF00089 EC:3.4.21.27

Ligand Molecules

3Y3

EDO

SO4

Primary Citation

Structure-based design of inhibitors of coagulation factor XIa with novel P1 moieties.

Pinto, D.J, Smallheer, J.M, Corte, J.R, Austin, E.J, Wang, C, Fang, T, Smith, L.M, Rossi, K.A, Rendina, A.R, Bozarth, J.M, Zhang, G, Wei, A, Ramamurthy, V, Sheriff, S, Myers, J.E, Morin, P.E, Luettgen, J.M, Seiffert, D.A, Quan, M.L, Wexler, R.R, Quan, M.L, Wong, P.C, Wang, C, Woerner, F, Smallheer, J.M, Barbera, F.A, Bozarth, J.M, Brown, R.L, Harpel, M.R, Luettgen, J.M, Morin, P.E, Peterson, T, Ramamurthy, V, Rendina, A.R, Rossi, K.A, Watson, C.A, Wei, A, Zhang, G, Seiffert, D, Wexler, R.R, Hangeland, J.J, Friends, T.J, Rossi, K.A, Smallheer, J.M, Wang, C, Sun, Z, Corte, J.R, Fang, T, Wong, P.C, Rendina, A.R, Barbera, F.A, Bozarth, J.M, Luettgen, J.M, Watson, C.A, Zhang, G, Wei, A, Ramamurthy, V, Morin, P.E, Bisacchi, G.S, Subramaniam, S, Arunachalam, P, Mathur, A, Seiffert, D.A, Wexler, R.R, Quan, M.L, Corte, J.R, Fang, T, Hangeland, J.J, Friends, T.J, Rendina, A.R, Luettgen, J.M, Bozarth, J.M, Barbera, F.A, Rossi, K.A, Wei, A, Ramamurthy, V, Morin, P.E, Seiffert, D.A, Wexler, R.R, Quan, M.L.Show

Bioorg.Med.Chem.Lett. 25 1635 1642 (2015)

PMID: 25728130 DOI: 10.1016/j.bmcl.2015.01.028

Abstact

Compound 2 was previously identified as a potent inhibitor of factor XIa lacking oral bioavailability. A structure-based approach was used to design analogs of 2 with novel P1 moieties with good selectivity profiles and oral bioavailability. Further optimization of the P1 group led to the identification of a 4-chlorophenyltetrazole P1 analog, which when combined with further modifications to the linker and P2' group provided compound 32 with FXIa Ki=6.7 nM and modest oral exposure in dogs.

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