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Figure 4.
Phosphopantetheine linker region of the P450[BioI]-ACP
complex (phosphopantetheine linker and C[14] fatty acid shown in
cyan, waters shown in green, detergent—n-heptyl
β-D-thioglucopyranoside—shown in yellow, distances averaged
across the four molecules in the crystallographic asymmetric
unit, hydrogen bonds shown as dashed black lines). (A) Residues
interacting with the phosphate group via water-mediated hydrogen
bonds. (B) Residues interacting with the hydroxyl group of the
phosphopantetheine linker via water-mediated hydrogen bonds
(≈90° rotation of A).
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