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Figure 2.
Fig. 2. a: Omit (Fo−Fc) map around a portion of the
N-terminal helix including the catalytic His12. b: Omit
(Fo−Fc) electron density around the hinge loop of one of the
two subunits in the M=M crystal structure. Residues Ser20 and
Ser21, which are fully disordered, are modeled (light gray) to
show the hinge connectivity. c: Stereo diagram showing the hinge
region after the superposition of a subunit of M=M (dark gray)
with RNase A (medium gray) and hRNase (light gray).
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