Which of the following amino acids are most frequently phosphorylated by protein kinases in the cytosol during signal transduction?
A) tyrosine
B) glycine and histidine
C) serine and threonine
D) glycine and glutamic acid

Question

Quizplus · Accepted Answer

Serine and threonine are the most frequently phosphorylated amino acids by protein kinases in the cytosol during signal transduction. This modification plays a key role in regulating protein function and signaling pathways.

Which of the Following Amino Acids Are Most Frequently Phosphorylated