2p0m | pdb_00002p0m

Revised structure of rabbit reticulocyte 15S-lipoxygenase

spinqualitylabelsall models 2p0m, resolution 2.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2p0m is a 2 chain structure with sequence from Oryctolagus cuniculus. Full crystallographic information is available from OCA. Ligands: FE2, RS7 Related: 1lox Activity: Glucokinase, with EC number 2.7.1.2 Resources: FirstGlance, OCA, RCSB, PDBsum Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed Here we report the first structure of a mammalian 15-lipoxygenase. The protein is composed of two domains; a catalytic domain and a previously unrecognized beta-barrel domain. The N-terminal beta-barrel domain has topological and sequence identify to a domain in the mammalian lipases, suggesting that these domains may have similar functions in vivo. Within the C-terminal domain, the lipoxygenase substrate binding site is a hydrophobic pocket defined by a bound inhibitor. Arachidonic acid can be docked into this deep hydrophobic pocket with the methyl end extending down into the bottom of the pocket and the acid end tethered by a conserved basic residue on the surface of the enzyme. This structure provides a unifying hypothesis for the positional specificity of mammalian lipoxygenases. The structure of mammalian 15-lipoxygenase reveals similarity to the lipases and the determinants of substrate specificity.,Gillmor SA, Villasenor A, Fletterick R, Sigal E, Browner MF Nat Struct Biol. 1997 Dec;4(12):1003-9. PMID:9406550 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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