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Figure 4.
Fig. 4. A stereo diagram of the 4-OSA inactivated E. coli
PBGS dimer. The two monomers are shown in blue and magenta, Zn2+
is dark green, Mg2+ is orange, and the active site lid is
yellow. The two active site lysine residues are shown
(ball-and-stick) with bonds colored according to the subunit;
Lys246 makes Schiff base to atom C4 of the inhibitor. The 4-OSA
molecules are shown (ball-and-stick) with bonds in green. Atom
color code is C, green; N, blue; O, red.
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