主权项 |
1. A variant of albumin comprising a substitution in a position corresponding to position 550 in the amino acid sequence of SEQ ID NO:2, wherein the substitution is selected from the group consisting of D550A,C,E,F,G,H,I,K,L,M,N,P,Q,R,S,T,V,W, and Y, and wherein the variant has at least 90% sequence identity to the amino acid sequence of SEQ ID NO:2. |