Polymer derivatives
First Claim
1. A water-soluble polymer containing at least one acetylene moiety, wherein said polymer is selected from the group consisting of poly(oxyethylated polyols) and poly(olefinic alcohols), wherein said polymer comprises at least one arm of a branched molecular structure, and wherein said polymer has a molecular weight of from about 6,000 to 80,000 for each chain of the polymer backbone.
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Abstract
The invention provides water-soluble compounds that include a polymer and at least one terminal azide or acetylene moiety. Also provided are highly efficient methods for the selective modification of proteins with PEG derivatives, which involves the selective incorporation of non-genetically encoded amino acids, e.g., those amino acids containing an azide or acetylene moiety, into proteins in response to a selector codon and the subsequent modification of those amino acids with a suitably reactive PEG derivative.
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Citations
13 Claims
- 1. A water-soluble polymer containing at least one acetylene moiety, wherein said polymer is selected from the group consisting of poly(oxyethylated polyols) and poly(olefinic alcohols), wherein said polymer comprises at least one arm of a branched molecular structure, and wherein said polymer has a molecular weight of from about 6,000 to 80,000 for each chain of the polymer backbone.
- 12. A water-soluble polymer containing at least one acetylene moiety, wherein said polymer is selected from the group consisting of poly(oxyethylated polyols) and poly(olefinic alcohols), wherein said polymer comprises at least one arm of a branched molecular structure, and wherein said polymer has a molecular weight of from about 80,000 to 100,000 for each chain of the polymer backbone.
Specification