You are working for a drug company, trying to modify a protein for use as a drug. there is an alanine in the active site, and you are replacing it with various other amino acids. choose the amino acid most likely to: create a bend or kink choose the answer from the first menu in accordance to the question statement. add a disulfide cross link choose the answer from the second menu in accordance to the question statement. increase interaction with a nonpolar substrate choose the answer from the third menu in accordance to the question statement. increase binding to a negatively charged substrate choose the answer from the fourth menu in accordance to the question statement. increase binding to a positively charged substrate