... factor: PDB 1W26). The N-terminal domain mediating ribosome attachment (aa 1 -144 ) is in red, the PPiase domain (aa145-247) is in yellow and the C-terminal domain bearing the central module of ... bilayer via incorporation of cis-unsaturated and branched-chain lipids, a decrease in average chain length, and an increase both in methyl branching and in the ratio of anteiso- to iso-branching (Russell, ... constraints are responsible for the rate limiting steps of P. haloplanktis growth in the cold, namely protein synthesis and folding, as deduced from proteomic experiments. Indeed, bacterial protein...