2xh1 | pdb_00002xh1
From Proteopedia
CRYSTAL STRUCTURE OF HUMAN KAT II-INHIBITOR COMPLEX
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Structural highlights
Evolutionary ConservationCheck, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedFluctuations in the brain levels of the neuromodulator kynurenic acid may control cognitive processes and play a causative role in several catastrophic brain diseases. Elimination of the pyridoxal 5'-phosphate dependent enzyme kynurenine aminotransferase II reduces cerebral kynurenic acid synthesis and has procognitive effects. The present description of the crystal structure of human kynurenine aminotransferase II in complex with its potent and specific primary amine-bearing fluoroquinolone inhibitor (S)-(-)-9-(4-aminopiperazin-1-yl)-8-fluoro-3-methyl-6-oxo-2,3-dihydro-6H-1 -oxa-3a-azaphenalene-5-carboxylic acid (BFF-122) should facilitate the structure-based development of cognition-enhancing drugs. From a medicinal chemistry perspective our results demonstrate that the issue of inhibitor specificity for highly conserved PLP-dependent enzymes could be successfully addressed. Crystal structure-based selective targeting of the pyridoxal 5'-phosphate dependent enzyme kynurenine aminotransferase II for cognitive enhancement.,Rossi F, Valentina C, Garavaglia S, Sathyasaikumar KV, Schwarcz R, Kojima S, Okuwaki K, Ono S, Kajii Y, Rizzi M J Med Chem. 2010 Aug 12;53(15):5684-9. PMID:20684605[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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