6u4x

Crystal structure of Equine Serum Albumin complex with ibuprofen

spinqualitylabelsall models 6u4x, resolution 2.25Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6u4x is a 1 chain structure with sequence from Equus caballus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.25Å Ligands: IBP, SO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function ALBU_HORSE Publication Abstract from PubMed Every day, hundreds of millions of people worldwide take nonsteroidal anti-inflammatory drugs (NSAIDs), often in conjunction with multiple other medications. In the bloodstream, NSAIDs are mostly bound to serum albumin (SA). We report the crystal structures of equine serum albumin complexed with four NSAIDs (ibuprofen, ketoprofen, etodolac, and nabumetone) and the active metabolite of nabumetone (6-methoxy-2-naphthylacetic acid, 6-MNA). These compounds bind to seven drug-binding sites on SA. These sites are generally well-conserved between equine and human SAs, but ibuprofen binds to both SAs in two drug-binding sites, only one of which is common. We also compare the binding of ketoprofen by equine SA to binding of it by bovine and leporine SAs. Our comparative analysis of known SA complexes with FDA-approved drugs clearly shows that multiple medications compete for the same binding sites, indicating possibilities for undesirable physiological effects caused by drug-drug displacement or competition with common metabolites. We discuss the consequences of NSAID binding to SA in a broader scientific and medical context, particularly regarding achieving desired therapeutic effects based on an individual's drug regimen. Albumin-Based Transport of Nonsteroidal Anti-Inflammatory Drugs in Mammalian Blood Plasma.,Czub MP, Handing KB, Venkataramany BS, Cooper DR, Shabalin IG, Minor W J Med Chem. 2020 Jul 9;63(13):6847-6862. doi: 10.1021/acs.jmedchem.0c00225. Epub , 2020 Jun 17. PMID:32469516 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Albumin 3D structures

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