4.3.1.19	-	
4.3.1.19	crystal structure at 2.8 A resolution	
4.3.1.19	data for two crystal forms are collected to resolutions of 2.2 and 1.7 A, crystals obtainted in the presence of CMP diffract to a resolution of 3-3.5 A, in the presence of AMP poorly	
4.3.1.19	two data sets of resolutions 2.2 A, crystal form I, and 1.7 A, crystal form II, are collected