Question: Protein phosphorylation is a post-translational modification of proteins, was first reported in 1906 by which American biochemist who studied the structure and function of nucleic acids, at the Rockefeller Institute for Medical Research?
Sentence (from "Protein phosphorylation"): However, it was nearly 50 years until the enzymatic phosphorylation of proteins by protein kinases was discovered.
Relevant evidence: No