What fractionation procedure could be used to purify Protein 1 from a mixture of three proteins whose amino acid compositions are as follows? 1. 25% Ala, 20% Gly, 20% Ser, 10% Ile, 10% Val, 5% Asn, 5 % Gln, 5 % Pro 2. 30 % Gin, 25 % Glu, 20 % Lys, 15 % Ser, 10 % Cys 3. 25 % Asn, 20 % Gly, 20 % Asp, 20 % Ser, 10 % Lys, 5 % Tyr All three proteins are similar in size and p I, and there is no antibody available for Protein 1 | Numerade