cb112cd0_and_Proteins_Quiz___By_qwerty9__Extra_Info
[Question] These amino acid side chains can undergo reversible phosphorylation in order to introduce a negative charge [Extra Info] 
2 main amino acids list in alphabetical order. When phosphorylated, they change the overall structure of the nucleosome and corresponding DNA which can lead to degradation by a ubiquination/proteosome pathway (substrates for E3 ubiquitin ligases). Tyrosine phosphorylation is relatively rare.
DNA Replication, Genes, and Proteins Quiz - By qwerty9