The machines and assemblies of life
Chromatin
DNA replication
DNA repair and recombination
Transcription
Protein synthesis and folding
Intracellular proteolysis : protein quality control and regulatory turnover
Assembly of viruses
Multienzyme complexes : catalytic nanomachines
Transport
Connectivity and communication
Signaling
The cell cycle and programmed cell death
Motility
Bioenergetics
Membrane channels and transporters
Complexes of the immune system.