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. Author manuscript; available in PMC: 2009 Dec 15.
Published in final edited form as: J Struct Biol. 2002 Sep;139(3):161–170. doi: 10.1016/s1047-8477(02)00532-4

Fig. 4.

Fig. 4

The putative ATP-binding site in YXKO. (a) The superposition of the YXKO structure onto ThiK, with ATP originating from ThiK; magnesium ion conserved within the family is indicated as a yellow sphere; the side chains of residues involved in the interactions with ATP are blue (YXKO) and green (ThiK); the names of ThiK residues corresponding to YXKO residues are in parentheses. (b) The putative ATP- and substrate-binding sites in YXKO, with van der Waals surfaces colored according to the molecular electrostatic potential on the residues: blue indicates positive potential, red indicates negative potential.