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Figure 5.
Figure 5. A Comparison of the Different Orientations that
the tRNA Acceptor Stem and TΨC Stem-Loop Have with Respect to
the Head Domains in the Two Classes of CCA-Adding Enzyme(A)
AfCCA. (B) BstCCA. The head domains of the two enzymes are
represented in magenta ribbons and are in the same orientation.
The enzymes are shown with surface representation and the
acceptor stem and TψC stem-loop of the tRNA in yellow coil.
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