UbiquitinisasmallpolypeptidethatcanbeconjugatedviaitsC-terminustoaminegroupsoflysineresidueontargetproteins.Thisconjunctionisreferedtoasmonoubiquitylation.Additionalubiquitinmoietiescanbesubsequentlyconjugatedtothisinitialubiquitin,utilizinganyone(ofseven)lysineresiduesonthesurfaceofubiquitin.Theformationoftheseubiquitinchainsisreferredtoaspolyubiquitylation.
Thistag-freerecombinantformofhumanubiquitinisengineeredtohaveallavailablelysinesmutatedtoarginines,exceptatposition48. Thismolecule,therefore,canonlyformpolyubiquitinchainsofK48linkagetype.
Info
| Source | Humanrecombinant |
| Form | liquid |
| Molecularweight | 8,732Da |
| Purity | >=95%bySDS-PAGE |
| AffinityTag | None |
| Concentration | 4mg/mL |
| Buffer | 20mMTris,pH8.0,0.15MNaCl,10%glycerol |
| Storage | -80°C,avoidcyclesoffreeze/thaw |
| StABIlity | 1yearunderrecommendedstorageconditions |
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