FIG. 1.

Domains of the ClpY molecule and its functional motifs. The 443 aa (1,332 bp) that comprise ClpY were drawn to scale. The domains referred to in the text are indicated. The colored and shaded sticks show structures of domains, the N domains (residues 2 to 109 and 244 to 332), I domains (residues 110 to 243), and C (SSD) domains (residues 333 to 443). The PDZ-like domains are D1 (residues 275 to 353) and D2 (residues 355 to 443). The positions of pore 1 (residues 89 to 94), domain I's tip (residues 154 to 165), and pore 2 (residues 264 to 269) are indicated. The Walker boxA or P loop (residues 57 to 66) and boxB (residues 253 to 262) of the ATP-binding site are indicated and the dark box (residues 17 to 19, 57 to 66, and 70 to 89) are located in the nucleotide binding pocket.