Figure 1.
Overall structure of M. jannaschii aspartokinase (mjAK) determined in the presence of the amino-acid substrate l-aspartic acid and the nucleotide product MgADP. (a) Subunit packing in the dimer of dimers with each subunit separately colored. (b) Monomer structure showing the relationship between the two C-terminal ACT regulatory domains (dark blue) and the N-terminal catalytic domain (light blue).