This is a preview. Log in through your library . Journal Information This monthly journal, begun in 1950, is devoted entirely to research in pure and applied mathematics, principally to the ...

Different types of polyubiquitins have different cellular functions, such as ferrying unneeded proteins to the proteasome, the cell’s recycling center. There are seven homogeneous polyubiquitins, ...

Chains of ubiquitin proteins play key roles in cellular chemistry, including directing unwanted proteins to the proteasome for disposal. That function is carried out by a type of ubiquitin chain ...