試題詳解

28. Which statement of post-translational modification is INCORRECT?
(A) Phosphorylation is very common mechanism for regulating the activity of enzymes.
(B) Ubiquitylation is usually associated with protein degradation.
(C) SUMOylation plays a role in the major DNA repair pathways.
(D) O-linked glycosylation is the attachment of a sugar molecule to the oxygen atom of serine or threonine residues in a protein.
(E) Acetylation is usually on a glycine residue.