Figure 2 - full size

Figure 2.
Stereo view of ARTT loop in CDTa (native and NAD-bound form) and Ia (NAD-bound form).Green, CDTa-8.5; yellow, CDTa-9.0; cyan, CDTa-NAD; magenta, Ia-NAD. Residue numbering is according to CDTa (present structure). The corresponding residues in Ia are Tyr-375, Glu-378, and Glu-380.