ALBUMIN VARIANTS
The present invention relates to variants of a parent albumin having altered plasma half-life compared with the parent albumin. The present invention also relates to fusion polypeptides and conjugates comprising said variant albumin.
1 . A variant of albumin comprising a substitution in a position corresponding to position 493 in the amino acid sequence of SEQ ID NO:2, wherein the substitution is selected from the group consisting of V493A,C,D,E,F,G,H,I,K,L,M,N,P,Q,R,S,T,W, and Y, and wherein the variant has at least 90% sequence identity to the amino acid sequence of SEQ ID NO:2.
2 . The variant of claim 1 , wherein the variant has at least 98% sequence identity to the amino acid sequence of SEQ ID NO:2.
3 . The variant of claim 1 , wherein the variant consists of the amino acid sequence of SEQ ID NO:2 with a substitution at position 493.
4 . The variant of claim 1 , wherein the substitution is V493A.
5 . The variant of claim 1 , wherein the substitution is V493C.
6 . The variant of claim 1 , wherein the substitution is V493D.
7 . The variant of claim 1 , wherein the substitution is V493E.
8 . The variant of claim 1 , wherein the substitution is V493F.
9 . The variant of claim 1 , wherein the substitution is V493G.
10 . The variant of claim 1 , wherein the substitution is V493H.
11 . The variant of claim 1 , wherein the substitution is V4931.
12 . The variant of claim 1 , wherein the substitution is V493K.
13 . The variant of claim 1 , wherein the substitution is V493L.
14 . The variant of claim 1 , wherein the substitution is V493M.
15 . The variant of claim 1 , wherein the substitution is V493N.
16 . The variant of claim 1 , wherein the substitution is V493P.
17 . The variant of claim 1 , wherein the substitution is V493Q.
18 . The variant of claim 1 , wherein the substitution is V493R.
19 . The variant of claim 1 , wherein the substitution is V493S.
20 . The variant of claim 1 , wherein the substitution is V493T.
21 . The variant of claim 1 , wherein the substitution is V493W.
22 . The variant of claim 1 , wherein the substitution is V493Y.