proteasomes breaking down protein molecule | 
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| navigate by keyword : destruction protein peptide enzyme barrel molecule machinery organic biochemistry science tube three dimensional motion animation deterioration molecular structure biological cell amino acid healthcare medicine built moving activity breaking death organelle animated video medical condition cut particle eukaryote broken proteolysis system regulatory particles cellular stress complex covalent cylindrical ligase response proteosome ubiquitin proteasome protease pathways cap regulation machine active site degradation chamber peptides close degrade apoptosis enzymes break acids eukaryotic isolated rendering health 		 | 
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| Proteasomes are molecular machines for breaking down proteins called proteolysis, only target proteins that have been marked for destruction called ubiquitin to the target protein, 3d rendering | 
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