1.10.3.11 | trypanosomal alternative oxidase in the absence and presence of ascofuranone and ascofuranone derivative 5-chloro-3-[(2E,6E)-8-hydroxy-3,7-dimethylnona-2,6-dienyl]-2,4-dihydroxy-6-methylbenzaldehyde, the reservoir solution contains using 28-34% w/v PEG 400, 100 mM imidazole buffer (pH 7.4), and 500 mM potassium formate, X-ray diffraction structure determination and analysis, single-wavelength anomalous dispersion method, anomalous scattering effects caused by Fe measured to 3.2 A resolution |