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Figure 1 | BMC Biology

Figure 1

From: Structure of GlgS from Escherichia coli suggests a role in protein–protein interactions

Figure 1

Structure of GlgS. (A) The backbone superposition of the 15 lowest-energy structures generated with MOLMOL [26]. The superposition was done using region Ser4-Leu62. (B) Ribbon representation of the GlgS structure generated with MOLSCRIPT [27] and Raster3D [28]. N- and C-termini and α-helices are labeled. (C) Enlarged view of residues that form hydrophobic core (in purple), are potentially involved in the function (in green), and which mutations knocked-out GlgS activity (in red). Phe45 also is a part of the hydrophobic core. The residues shown are labeled with a one-letter name code and a residue number. The figure was generated with MOLMOL [26]. (D) Surface charge distribution suggests importance of charged interactions for GlgS function. The protein side with more charges contains Ser17, which is essential for functionality. Positively charged residues are shown in blue, negatively charged residues in red. The figure was generated with GRASP [29].

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