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Figure 2.
Figure 2: Comparison of HsIU and NSF main chains. a,
Superposition of the ligand-bound (coloured) and free (white)
HslU forms. Chains 1 and 2 of the P321 crystals (see Fig. 1c)
are shown. The N domains (shown in green and red) have been
superimposed (r.m.s.d. C  bond
lengths = 0.5 Å for the central  -sheet,
r.m.s.d. C bond
lengths = 1.2 Å for the whole domain). For clarity, the N and I
domains of the free form have been omitted. b, Stereo diagram of
NSF D2.
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