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. Author manuscript; available in PMC: 2019 Apr 16.
Published in final edited form as: Methods Enzymol. 2018 Mar 15;602:249–272. doi: 10.1016/bs.mie.2018.02.005

Fig. 2.

Fig. 2

Crystal structure of urate oxidase complexed with the inhibitor 8-azaxanthine under 2.0 MPa Xe pressure (PDB ID 2IC0). Xe and 8-azaxanthine are shown bound to a single subunit of the urate oxidase homotetramer. (Inset) close-up of the Xe-binding pocket, with surrounding residues shown.