| abstract |
A method for PEGylating growth hormone, said method comprising reacting growth hormone with an amine comprising nucleophile which further comprises a first functional group in the presence og TGase to form a transaminated growth hormone, followed by a reaction of said transaminated growth hormone with a PEG which has been functionalised with a second functional group, wherein said first and second functional groups are selected so that they react to form a covalent bond. |