The present invention provides a chemically modified human Growth Hormone (hGH) prepared by attaching a polyethylene glycol butyraldehyde moiety to the N-terminal phenylalanine of the protein. The chemically-modified protein according to the present invention may have a much longer lasting hGH activity...http://www.google.es/patents/US20040127417?utm_source=gb-gplus-sharePatente US20040127417 - N-terminally monopegylated human growth hormone conjugates and process for their preparation
N-terminally monopegylated human growth hormone conjugates and process for ...
