2.7.1.223 | structure of amidazole riboside kinase, its complex with the aminoimidazole riboside, and with aminoimidazole riboside and an ATP analog, to 2.6 A, 2.9 A, and 2.7 A resolution, respectively. The enzyme does not show significant conformational changes upon substrate binding. The active site is covered by a lid formed by residues 16-28 and 86-100 |