Structural highlights
Function
[NQO2_HUMAN] The enzyme apparently serves as a quinone reductase in connection with conjugation reactions of hydroquinones involved in detoxification pathways as well as in biosynthetic processes such as the vitamin K-dependent gamma-carboxylation of glutamate residues in prothrombin synthesis.[1]
Publication Abstract from PubMed
A variety of ammosamide B analogues have been synthesized and evaluated as inhibitors of quinone reductase 2 (QR2). The potencies of the resulting series of QR2 inhibitors range from 4.1 to 25,200 nM. The data provide insight into the structural parameters necessary for QR2 inhibitory activity. The natural product ammosamide B proved to be a potent QR2 inhibitor, and the potencies of the analogues generally decreased as their structures became more distinct from that of ammosamide B. Methylation of the 8-amino group of ammosamide B was an exception, resulting in an increase in quinone reductase 2 inhibitory activity from an IC(50) of 61 nM to IC(50) 4.1 nM.
Design, synthesis, and biological evaluation of potent quinoline and pyrroloquinoline ammosamide analogues as inhibitors of quinone reductase 2.,Reddy PV, Jensen KC, Mesecar AD, Fanwick PE, Cushman M J Med Chem. 2012 Jan 12;55(1):367-77. Epub 2011 Dec 29. PMID:22206487[2]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Calamini B, Santarsiero BD, Boutin JA, Mesecar AD. Kinetic, thermodynamic and X-ray structural insights into the interaction of melatonin and analogues with quinone reductase 2. Biochem J. 2008 Jul 1;413(1):81-91. PMID:18254726 doi:10.1042/BJ20071373
- ↑ Reddy PV, Jensen KC, Mesecar AD, Fanwick PE, Cushman M. Design, synthesis, and biological evaluation of potent quinoline and pyrroloquinoline ammosamide analogues as inhibitors of quinone reductase 2. J Med Chem. 2012 Jan 12;55(1):367-77. Epub 2011 Dec 29. PMID:22206487 doi:10.1021/jm201251c
