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Figure 1.
Fig. 1. Stereo view of a superposition of the β[E]
catalytic sites of the high AMPPNP and frozen-native [16]
structures. All α-carbon atoms were used to superimpose the
β[E]-subunits with rmsd of 0.15 Å. There is a slightly
larger difference in the position of the bound phosphate (or
sulphate) group, but this group has a very high temperature
factor (80 Å^2). The carbon, nitrogen, oxygen and
phosphorous atoms are coloured yellow, blue, red and pink,
respectively. The 2F[o]–F[c] electron density map for the high
AMPPNP structure is shown contoured at 1.3 σ.
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