3ln1 | pdb_00003ln1

Structure of celecoxib bound at the COX-2 active site

spinqualitylabelsall models 3ln1, resolution 2.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3ln1 is a 4 chain structure with sequence from Lk3 transgenic mice. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: BOG, CEL, HEM, NAG Related: 6cox Gene: Cox-2, Cox2, Pghs-b, prostaglandin H2 synthase 2, Ptgs2, Tis10 (LK3 transgenic mice) Activity: Prostaglandin-endoperoxide synthase, with EC number 1.14.99.1 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [PGH2_MOUSE] Mediates the formation of prostaglandins from arachidonate. May have a role as a major mediator of inflammation and/or a role for prostanoid signaling in activity-dependent plasticity. Publication Abstract from PubMed In this Letter, we provide the structure-activity relationships, optimization of design, testing criteria, and human half-life data for a series of selective COX-2 inhibitors. During the course of our structure-based drug design efforts, we discovered two distinct binding modes within the COX-2 active site for differently substituted members of this class. The challenge of a undesirably long human half-life for the first clinical candidate 1t(1/2)=360h was addressed by multiple strategies, leading to the discovery of 29b-(S) (SC-75416) with t(1/2)=34h. The novel benzopyran class of selective cyclooxygenase-2 inhibitors. Part 2: The second clinical candidate having a shorter and favorable human half-life.,Wang JL, Limburg D, Graneto MJ, Springer J, Hamper JR, Liao S, Pawlitz JL, Kurumbail RG, Maziasz T, Talley JJ, Kiefer JR, Carter J Bioorg Med Chem Lett. 2010 Jul 24. PMID:20709553 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Cyclooxygenase

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