PPT Slide

Previous slide

Back to first slide

View graphic version

In this depiction, the 26S proteosome is the 20S plus two caps--19S caps

20S proteosome is 7 different a and 7 different b subunits

The caps control the specificity of the proteosome--only ubiquitinylated substrates will be allowed in. (u biquitin only eucaryotic)