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