The two main steps in the atp cycle are the synthesis of atp from and pi, and the subsequent hydrolysis of atp, which releases that drives endergonic reactions

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?