2.7.2.7	Buk2 complexed with (beta,gamma-methylene) adenosine 5'-triphosphate, sitting drop vapor diffusion method, using 1.7-3.0 M sodium formate, 1 M acetic acid (pH 4.5)	
2.7.2.7	sitting drop vapor diffusion method, using 77 mM phosphate-citrate and 55% (w/v) PEG 200