A Protein Is Drawn in the Following Simplified Diagram Undergoing

Short Answer

A protein is drawn in the following simplified diagram undergoing a set of covalent modifications including the addition of a chain of ubiquitin protein monomers (U) to one of its lysine side chains, a phosphate moiety (P) to its tyrosine side chain, and a lipid farnesyl (F) to its cysteine side chain. Indicate the order of these modifications (1 to 3) in the diagram. Your answer would be a three-letter string composed of letters F, U, and P only, e.g. PFU.

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