The multicatalytic proteinase (MCP) complex or proteasome is a major nonlysosomal proteinase of eukaryotic cells. The proteinase can cleave peptide bonds on the carboxyl side of hydrophobic, basic, or acidic amino acid residues. These activities have been referred to as
The Journal of biological chemistry, 272(41), 25483-25492 (1997-11-05)
Full-length cDNAs for three human proteasome activator subunits, called REGalpha, REGbeta, and REGgamma, have been expressed in Escherichia coli, and the purified recombinant proteins have been characterized. Recombinant alpha or gamma subunits form heptameric species; recombinant beta subunits are found
The multicatalytic proteinase complex (MPC), also called the proteasome, is a ubiquitous particle (19S) that is required for life. It is found in the cytoplasm and nucleus of all eukaryotic cells where it degrades selected cytosolic and nuclear proteins. It
Journal of neurochemistry, 40(3), 842-849 (1983-03-01)
Pituitary cation-sensitive neutral endopeptidase splits peptide bonds on the carboxyl side of hydrophobic amino acids (chymotrypsin-like activity), basic amino acids (trypsin-like activity), and acidic amino acids (peptidyl-glutamyl-peptide bond hydrolyzing activity). All three activities copurify, are inhibited by cations, and reside
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