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Figure 2.
Figure 2. Structure of ΔI-SM. (a) Molecular structure of
ΔI-SM. (b) Comparison of the conformation of ΔI-SM (green)
with the GyrA intein^12 (red). (c) Dimer observed in the
asymmetric unit, with zinc ions shown in cyan. (d) Coordination
of the zinc ion by residues Glu424, His429, and the C-terminal
aminosucciminide (SUC440) from one molecule (green), and His439
from the second molecule (red) in the asymmetric unit. Figure
2. Structure of ΔI-SM. (a) Molecular structure of ΔI-SM. (b)
Comparison of the conformation of ΔI-SM (green) with the GyrA
intein[3]^12 (red). (c) Dimer observed in the asymmetric unit,
with zinc ions shown in cyan. (d) Coordination of the zinc ion
by residues Glu424, His429, and the C-terminal aminosucciminide
(SUC440) from one molecule (green), and His439 from the second
molecule (red) in the asymmetric unit.
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