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Figure 2
The same models as in Fig. 1[link] but coloured by the relative B-factor (blue – low, red – high; scale from 0 to 100 Å2). The dynamic nature of the still unmodelled termini and of the residues leading into the missing loop is partly reflected in this representation: The `hotter' colour in the first six models for the termini and the residues leading into the loop immediately informs us that these areas have high B-factors and are probably disordered. Since the B-factor colours were chosen on an absolute scale, it is immediately apparent from this figure that the two O1 models (bottom right) were derived from data with much higher resolution compared with the first six models (cf. Table 1[link]). Still, despite the hints from the elevated B-factor values also in the O1 models, we are missing information regarding the dynamics of the elusive specificity-determining loop of the methyl­transferase.

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CRYSTALLOGRAPHY
ISSN: 1600-5767
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