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. 2000 Apr 18;97(10):5077–5082. doi: 10.1073/pnas.090087197

Figure 3.

Figure 3

Similar active-site conformations in PALA-liganded C trimer and holoenzyme. (A) Comparison of the three active sites in the C trimer–PALA complex, based on the superposition of all backbone atoms, shows nearly identical conformations. (B) Comparison of an active site in the C trimer–PALA complex (red) with that in the holoenzyme–PALA complex (blue). The conformation of PALA is very similar in both structures and is shown for only the C trimer–PALA complex. Slight differences are observed in rotamers of Arg-54.