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Figure 2.
Figure 2. Stereo ribbon representation of the rHTaQGI
tetramer surrounded by a semitransparent surface. The four
monomers A to D are represented in gray, orange, yellow and
blue. Sugar chains, visible only in monomers B and D, and the
four leupeptin molecules binding to the active sites are
represented as ball-and-stick models with nitrogen blue, oxygen
red and carbonyl atoms black.
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