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Figure 3.
FIGURE 3. Stereo views of the superpositions of GTP bound
to pig GTP-specific SCS (black) with ADP bound to E. coli SCS
(gray) (Protein Data Bank (43) identifier 1cqi (7)) (A), GDP
bound to pig GTP-specific SCS (gray) (B), and ATP bound to
glycinamide ribonucleotide transformylase (gray) (PDB identifier
1kj8) (54) (C). The superpositions were based on structurally
similar residues and performed using the program O (51) with a
cutoff of 3.8 Å. Possible hydrogen-bonding interactions
and ionic interactions between GTP and the pig GTP-specific SCS
are represented by black dashed lines.
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