Inhibition of 1-Deoxy-d-Xylulose-5-Phosphate Reductoisomerase by Lipophilic Phosphonates: SAR, QSAR, and Crystallographic Studies
摘要:
1-Deoxy-D-xylulose-5-phosphate reductoisomerase (DXR) is a novel target for developing new antibacterial (including antituberculosis) and antimalaria drugs. Forty-one lipophilic phosphonates, representing a new class of DXR inhibitors, were synthesized, among which 5-phenylpyridin-2-ylmethylphosphonic acid possesses the most activity against E. coli DXR (EcDXR) with a K-i of 420 nM. Structure-activity relationships (SAR) are discussed, which can be rationalized using our EcDXR:inhibitor structures, and a predictive quantitative SAR (QSAR) model is also developed. Since inhibition studies of DXR from Mycobacterium tuberculosis (MtDXR) have not been performed well, 48 EcDXR inhibitors with a broad chemical diversity were found, however, to generally exhibit considerably reduced activity against MtDXR. The crystal structure of a, MtDXR:inhibitor complex reveals the flexible loop containing the residues 198-208 has no strong interactions with the 3,4-dichlorophenyl group of the inhibitor, representing a structural basis for the reduced activity. Overall, these results provide implications in the future design and development of potent DXR inhibitors.
Inhibition of 1-Deoxy-d-Xylulose-5-Phosphate Reductoisomerase by Lipophilic Phosphonates: SAR, QSAR, and Crystallographic Studies
摘要:
1-Deoxy-D-xylulose-5-phosphate reductoisomerase (DXR) is a novel target for developing new antibacterial (including antituberculosis) and antimalaria drugs. Forty-one lipophilic phosphonates, representing a new class of DXR inhibitors, were synthesized, among which 5-phenylpyridin-2-ylmethylphosphonic acid possesses the most activity against E. coli DXR (EcDXR) with a K-i of 420 nM. Structure-activity relationships (SAR) are discussed, which can be rationalized using our EcDXR:inhibitor structures, and a predictive quantitative SAR (QSAR) model is also developed. Since inhibition studies of DXR from Mycobacterium tuberculosis (MtDXR) have not been performed well, 48 EcDXR inhibitors with a broad chemical diversity were found, however, to generally exhibit considerably reduced activity against MtDXR. The crystal structure of a, MtDXR:inhibitor complex reveals the flexible loop containing the residues 198-208 has no strong interactions with the 3,4-dichlorophenyl group of the inhibitor, representing a structural basis for the reduced activity. Overall, these results provide implications in the future design and development of potent DXR inhibitors.
Compositions and methods of treating cell proliferation disorders
申请人:Hangauer G. David
公开号:US20060160800A1
公开(公告)日:2006-07-20
The invention relates to compounds and methods for treating cell proliferation disorders.
这项发明涉及化合物和治疗细胞增殖紊乱的方法。
[EN] NOVEL DXR INHIBITORS FOR ANTIMICROBIAL THERAPY<br/>[FR] NOUVEAUX INHIBITEURS DE DXR POUR THÉRAPIE ANTIMICROBIENNE
申请人:BAYLOR COLLEGE MEDICINE
公开号:WO2011046920A1
公开(公告)日:2011-04-21
The present invention generally concerns particular methods and compositions for antimicrobial therapy. In particuarl embodiments, the compositions target DXR. In specific embodiments, the compositions are electron-deficient heterocyclic rings.
Biaryl compositions and methods for modulating a kinase cascade
申请人:Hangauer G. David
公开号:US20070015752A1
公开(公告)日:2007-01-18
The invention relates to compounds and methods for modulating one or more components of a kinase cascade.
该发明涉及化合物和方法,用于调节激酶级联中的一个或多个组分。
Compositions and Methods of Treating Cell Proliferation Disorders
申请人:Hangauer, JR. David G.
公开号:US20110065705A1
公开(公告)日:2011-03-17
The invention relates to compounds and methods for treating cell proliferation disorders.
本发明涉及化合物和治疗细胞增殖紊乱的方法。
Biaryl Compositions and Methods for Modulating a Kinase Cascade
申请人:Hangauer, JR. David G.
公开号:US20120270874A1
公开(公告)日:2012-10-25
The invention relates to compounds and methods for modulating one or more components of a kinase cascade. The invention relates to compounds of the formula I:
or a pharmaceutically acceptable salt thereof. The compounds of the invention are useful for methods of protecting against or treating hearing loss, osteoporosis, cell proliferative disorders, obesity, diabetes, eye disease, stroke, atherosclerosis, neuropathic pain or hepatitis B.