5bwv

X-RAY CRYSTAL STRUCTURE AT 1.86A RESOLUTION OF HUMAN MITOCHONDRIAL BRANCHED CHAIN AMINOTRANSFERASE (BCATM) COMPLEXED WITH A PYRAZOLOPYRIMIDINONE COMPOUND AND AN INTERNAL ALDIMINE LINKED PLP COFACTOR.

spinqualitylabelsall models 5bwv, resolution 1.86Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5bwv is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: 775, CL, EDO, GOL, PLP Related: 5bwr, 5bwt, 5bwu Activity: Branched-chain-amino-acid transaminase, with EC number 2.6.1.42 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum Function [BCAT2_HUMAN] Catalyzes the first reaction in the catabolism of the essential branched chain amino acids leucine, isoleucine, and valine. May also function as a transporter of branched chain alpha-keto acids. Publication Abstract from PubMed The hybridisation of hits, identified by complementary fragment and high throughput screens, enabled the discovery of the first series of potent inhibitors of mitochondrial branched-chain aminotransferase (BCATm), based on a 2-benzylamino-pyrazolo[1,5-a]pyrimidinone-3-carbonitrile template. Structure-guided growth enabled rapid optimisation of activity with maintenance of ligand efficiency, whilst the focus on physical properties delivered compounds with excellent pharmacokinetic exposure that enabled an acute proof of concept experiment in mice. Oral administration of 2-((4-chloro-2,6-difluorobenzyl)amino)-7-oxo-5-propyl-4,7-dihydropyrazolo[1,5-a]p yrimidine-3-carbonitrile 61 significantly raised the circulating levels of the branched-chain amino acids leucine, isoleucine and valine in this acute study. The discovery of in vivo active mitochondrial branched-chain aminotransferase (BCATm) inhibitors by hybridising fragment and HTS hits.,Bertrand SM, Ancellin N, Beaufils B, Bingham RP, Borthwick JA, Boullay AB, Boursier E, Carter PS, Chung CW, Churcher I, Dodic N, Fouchet MH, Fournier C, Francis P, Gummer LA, Herry K, Hobbs A, Hobbs CI, Homes P, Jamieson C, Nicodeme E, Pickett SD, Reid IH, Simpson GL, Sloan LA, Smith SE, Somers DO, Spitzfaden C, Suckling CJ, Valko K, Washio Y, Young RJ J Med Chem. 2015 Jun 19. PMID:26090771 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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