1.3.98.3 crystal structure 658501 1.3.98.3 crystal structure, co-crystallized with S-adenosyl-L-methionine, hanging-drop vapor diffusion method, X-ray analysis 655340 1.3.98.3 presence of an unusually coordinated iron-sulfur cluster and two molecules of S-adenosylmethionine, which is of functional importance 674462 1.3.98.3 under strictly anaerobic conditions, comparison of the crystal structures of the three radical SAM enzymes HemN, BioB and MoaA show that the enzymes are structurally significantly different 672473