2oh4

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==Overview==
==Overview==
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We herein disclose a novel chemical series of benzimidazole-ureas as, inhibitors of VEGFR-2 and TIE-2 kinase receptors, both of which are, implicated in angiogenesis. Structure-activity relationship (SAR) studies, elucidated a critical role for the N1 nitrogen of both the benzimidazole, (segment E) and urea (segment B) moieties. The SAR results were also, supported by the X-ray crystallographic elucidation of the role of the N1, nitrogen and the urea moiety when the benzimidazole-urea compounds were, bound to the VEGFR-2 enzyme. The left side phenyl ring (segment A), occupies the backpocket where a 3-hydrophobic substituent was favored for, TIE-2 activity.
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We herein disclose a novel chemical series of benzimidazole-ureas as inhibitors of VEGFR-2 and TIE-2 kinase receptors, both of which are implicated in angiogenesis. Structure-activity relationship (SAR) studies elucidated a critical role for the N1 nitrogen of both the benzimidazole (segment E) and urea (segment B) moieties. The SAR results were also supported by the X-ray crystallographic elucidation of the role of the N1 nitrogen and the urea moiety when the benzimidazole-urea compounds were bound to the VEGFR-2 enzyme. The left side phenyl ring (segment A) occupies the backpocket where a 3-hydrophobic substituent was favored for TIE-2 activity.
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==Disease==
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Known disease associated with this structure: Hemangioma, capillary infantile, somatic OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=191306 191306]]
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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Discovery of Novel Benzimidazoles as Potent Inhibitors of TIE-2 and VEGFR-2 Tyrosine Kinase Receptors., Hasegawa M, Nishigaki N, Washio Y, Kano K, Harris PA, Sato H, Mori I, West RI, Shibahara M, Toyoda H, Wang L, Nolte RT, Veal JM, Cheung M, J Med Chem. 2007 Sep 6;50(18):4453-70. Epub 2007 Aug 4. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=17676829 17676829]
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Discovery of novel benzimidazoles as potent inhibitors of TIE-2 and VEGFR-2 tyrosine kinase receptors., Hasegawa M, Nishigaki N, Washio Y, Kano K, Harris PA, Sato H, Mori I, West RI, Shibahara M, Toyoda H, Wang L, Nolte RT, Veal JM, Cheung M, J Med Chem. 2007 Sep 6;50(18):4453-70. Epub 2007 Aug 4. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=17676829 17676829]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Receptor protein-tyrosine kinase]]
[[Category: Receptor protein-tyrosine kinase]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: Nolte, R.T.]]
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[[Category: Nolte, R T.]]
[[Category: Wang, L.]]
[[Category: Wang, L.]]
[[Category: GIG]]
[[Category: GIG]]
[[Category: SO4]]
[[Category: SO4]]
[[Category: transferase]]
[[Category: transferase]]
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[[Category: vascular endothelial growth factor receptor 2 tyrosine-protein kinase 3d-structure vegfr2 angiogenesis atp-binding phosphorylation ec 2.7.1.112 vegfr-2 kinase insert domain receptor protein-tyrosine kinase receptor flk-1]]
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[[Category: vascular endothelial growth factor receptor 2 tyrosine-protein kinase 3d-structure vegfr2 angiogenesis atp-binding phosphorylation ec 2 7.1 112 vegfr-2 kinase insert domain receptor protein-tyrosine kinase receptor flk-1]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jan 23 13:34:35 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 18:18:27 2008''

Revision as of 16:18, 21 February 2008


2oh4, resolution 2.050Å

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Crystal structure of Vegfr2 with a benzimidazole-urea inhibitor

Contents

Overview

We herein disclose a novel chemical series of benzimidazole-ureas as inhibitors of VEGFR-2 and TIE-2 kinase receptors, both of which are implicated in angiogenesis. Structure-activity relationship (SAR) studies elucidated a critical role for the N1 nitrogen of both the benzimidazole (segment E) and urea (segment B) moieties. The SAR results were also supported by the X-ray crystallographic elucidation of the role of the N1 nitrogen and the urea moiety when the benzimidazole-urea compounds were bound to the VEGFR-2 enzyme. The left side phenyl ring (segment A) occupies the backpocket where a 3-hydrophobic substituent was favored for TIE-2 activity.

Disease

Known disease associated with this structure: Hemangioma, capillary infantile, somatic OMIM:[191306]

About this Structure

2OH4 is a Single protein structure of sequence from Homo sapiens with and as ligands. Active as Receptor protein-tyrosine kinase, with EC number 2.7.10.1 Full crystallographic information is available from OCA.

Reference

Discovery of novel benzimidazoles as potent inhibitors of TIE-2 and VEGFR-2 tyrosine kinase receptors., Hasegawa M, Nishigaki N, Washio Y, Kano K, Harris PA, Sato H, Mori I, West RI, Shibahara M, Toyoda H, Wang L, Nolte RT, Veal JM, Cheung M, J Med Chem. 2007 Sep 6;50(18):4453-70. Epub 2007 Aug 4. PMID:17676829

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