2.1.1.264 crystal structure analysis, overview 2.1.1.264 purified recombinant Smu472, in presence of S-adenosyl-L-methionine and S-adenosyl-L-homocysteine, hanging drop or sitting drop vapor diffusion method, 16°C, X-ray diffraction structure determination and analysis 2.1.1.264 purified recombinant YcbY, in presence of S-adenosyl-L-methionine and S-adenosyl-L-homocysteine, hanging drop or sitting drop vapor diffusion method, 16°C, X-ray diffraction structure determination and analysis