1wqv

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Image:1wqv.gif

1wqv, resolution 2.50Å

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Human Factor Viia-Tissue Factor Complexed with propylsulfonamide-D-Thr-Met-p-aminobenzamidine

Contents

Overview

The 3D structure of human factor VIIa/soluble tissue factor in complex with a peptide mimetic inhibitor, propylsulfonamide-D-Thr-Met-p-aminobenzamidine, is determined by X-ray crystallography. As compared with the interactions between thrombin and thrombin inhibitors, the interactions at S2 and S3 sites characteristic of factor VIIa and factor VIIa inhibitors are revealed. The S2 site has a small pocket, which is filled by the hydrophobic methionine side chain in P2. The small S3 site fits the small size residue, D-threonine in P3. The structural data and SAR data of the peptide mimetic inhibitor show that these interactions in the S2 and S3 sites play an important role for the improvement of selectivity versus thrombin. The results will provide valuable information for the structure-based drug design of specific inhibitors for FVIIa/TF.

Disease

Known diseases associated with this structure: Esophageal squamous cell carcinoma OMIM:[606551], Factor VII deficiency OMIM:[227500], Myocardial infarction, decreased susceptibility to OMIM:[227500]

About this Structure

1WQV is a Protein complex structure of sequences from Homo sapiens with , , and as ligands. Active as Coagulation factor VIIa, with EC number 3.4.21.21 Full crystallographic information is available from OCA.

Reference

Crystal structure of human factor VIIa/tissue factor in complex with peptide mimetic inhibitor., Kadono S, Sakamoto A, Kikuchi Y, Oh-eda M, Yabuta N, Koga T, Hattori K, Shiraishi T, Haramura M, Kodama H, Esaki T, Sato H, Watanabe Y, Itoh S, Ohta M, Kozono T, Biochem Biophys Res Commun. 2004 Nov 26;324(4):1227-33. PMID:15504346

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