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 584 in the amino acid sequence of SEQ ID NO:2, wherein the substitution is selected from the group consisting of G584A,C,D,E,F,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.
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 584.
4 . The variant of claim 1 , wherein the substitution is G584A.
5 . The variant of claim 1 , wherein the substitution is G584C.
6 . The variant of claim 1 , wherein the substitution is G584D.
7 . The variant of claim 1 , wherein the substitution is G584E.
8 . The variant of claim 1 , wherein the substitution is G584F.
9 . The variant of claim 1 , wherein the substitution is G584H.
10 . The variant of claim 1 , wherein the substitution is G5841.
11 . The variant of claim 1 , wherein the substitution is G584K.
12 . The variant of claim 1 , wherein the substitution is G584L.
13 . The variant of claim 1 , wherein the substitution is G584M.
14 . The variant of claim 1 , wherein the substitution is G584N.
15 . The variant of claim 1 , wherein the substitution is G584P.
16 . The variant of claim 1 , wherein the substitution is G584Q.
17 . The variant of claim 1 , wherein the substitution is G584R.
18 . The variant of claim 1 , wherein the substitution is G584S.
19 . The variant of claim 1 , wherein the substitution is G584T.
20 . The variant of claim 1 , wherein the substitution is G584V.
21 . The variant of claim 1 , wherein the substitution is G584W.
22 . The variant of claim 1 , wherein the substitution is G584Y.
22 . The variant of claim 1 , wherein the substitution is K574Y.