Sentences with phrase «ubiquitins mark»
When it does, molecules called ubiquitins mark the duds for destruction.
http://www.sciencemag.org/ Not exact matches
During antibacterial autophagy, the bacteria get tagged with the protein ubiquitin, marking them for destruction by an organelle called the lysosome.
The addition of a small protein named ubiquitin can mark another protein for destruction, relocation in the cell, or it can turn the protein on or off, which can trigger or stop a cellular process, Luo said.
They have contributed ground - breaking chemical knowledge of how the cell can regulate the presence of a certain protein by marking unwanted proteins with a label consisting of the polypeptide ubiquitin.