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. 2006 Nov 22;103(49):18540–18545. doi: 10.1073/pnas.0602867103

Fig. 2.

Fig. 2.

Model of the first AAA domain. (a) Canonical AAA fold (α/β-subdomain and all-α subdomain) with a synapomorphic pre-Sensor-1 β-hairpin insertion. (Inset) Putative site of primary hydrolysis with ATP docked. Walker A (i.e., P-loop) is red, Walker B is blue, Sensor 1 is yellow, and Sensor 2 is orange. (b) Sequence alignment between the Dictyostelium discoideum AAA1 and template structure RuvB domain (PDB ID code 1HQC).