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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: J Biomol NMR. 2015 May 21;62(3):327–340. doi: 10.1007/s10858-015-9947-2

Fig. 4.

Fig. 4

Side view of 2AP (45 atoms) bound in the β-subunit of tryptophan synthase with 3 Å and 4 Å cutoff models. The 3 Å cutoff primarily includes hydrogen bond partners (2AP + 78 atoms), while the 4 Å cutoff captures most of the van der Waals cavity (2AP + 196 atoms).