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Figure 5.
Fig. 5. Interaction scheme between the catalytic Ni2+
ion, water molecules W1, W2, W3, and amino acid residues in the
active site of peptide deformylase. With the exception of Leu-6,
all residues shown in the figure are well conserved. Bonds and
bond angles between the Ni2+ ion and its ligands are shown.
Dashed lines indicate hydrogen bonds with distances between
donor and acceptor atom given in Å. The second proton of
W1 and the distance to the side chain of Gln-50 are in brackets
to indicate the absence of a hydrogen bond.
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