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Figure 3.
Figure 3. Electronic densities associated with Y15 and
W253. A and B show the positions of W253 and Y15 in the free
enzyme[23.] (A) and in the MetRS:Met complex [16.] (B). C-F, The
final 2F[o] -F[c] electron density maps are represented. Each
map is contoured at 1s. C, MetRS:DFM complex; D, MetRS:TFM
complex; E, MetRS:MetI complex; F, MetRS:MetP complex. E, The
two alternative conformations of Y15 in the MetRS:MetI complex
are shown.
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