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Figure 2
The shift of α23 caused by the binding of 5-phosphoarabinonate. Shown is a backbone superimposition of the sulfate-bound human structure (Read et al., 2001BB16) coloured in orange and the PAB-bound structure in green. Important residues are shown in ball-and-stick representation, in which the bonds are coloured the same as the backbone. Note the rotation of the carboxylate of Glu357 and the slight shift of the adjacent residue, Gln353. For clarity, only helices 23 and 17 are shown. This figure was prepared using MOLSCRIPT (Kraulis, 1991BB11).

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
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