A 25-kilodalton ubiquitin carrier protein (E2) catalyzes multi-ubiquitin chain synthesis via lysine 48 of ubiquitin.

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

1. 1Three-dimensional structure of ubiquitin at 2.8 A resolution.1985 · 141 citations
2. 2Ubiquitin is the ATP-dependent proteolysis factor I of rabbit reticulocytes.1980 · 399 citations
3. 3Stimulation of ATP-dependent proteolysis requires ubiquitin with the COOH-terminal sequence Arg-Gly-Gly.1981 · 154 citations
4. 4Isolation of a polypeptide that has lymphocyte-differentiating properties and is probably represented universally in living cells.1975 · 745 citations
5. 5Proposed role of ATP in protein breakdown: conjugation of protein with multiple chains of the polypeptide of ATP-dependent proteolysis.1980 · 754 citations