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For enzymatic degradation, Ubiquitin is transferred from the carrier protein to _______________ residue.(a) arginine(b) cytosine(c) lysine(d) alanineI got this question at a job interview.My question is from Gene Expression Control topic in chapter Control of Gene Expression of Cell Biology

Answer»

Right CHOICE is (C) lysine

To elaborate: Ubiquitination is the PROCESS of ADDING ubiquitin molecules to damaged or old proteins. The last Amino acid of ubiquitin is attached to a lysine residue on the substrate PROTEIN.



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