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Figure 3
(a) Electrostatic surface potential of Ct3GT-A viewed from the same direction as in Fig. 2(a)[link]. The surfaces are colored by electrostatic potential isocontours from the potential of +5 kT e−1 (blue) to −5 kT e−1 (red). (b) Electrostatic surface potential of Ct3GT-A after rotating 90° around the vertical axis. (c) Close-up view of the two openings leading to the acceptor-binding site. The residues involved in forming the openings are shown as stick models. The distances showing apparent size of the openings are indicated with dashed lines. (d) Cross-section view of the acceptor-binding site after rotating approximately 45° with respect to the figure (along the line) in (c). The residues involved in forming the acceptor-binding site are shown as stick models. The conserved catalytic residues, His17 and Asp114, are labeled in red.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 20| Part 6| September 2013| Pages 894-898
doi:10.1107/S0909049513020712
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