http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109400695-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K38-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07K2319-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07K2319-21 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P25-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P3-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K38-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07K1-1075 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K47-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07K14-71 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07K14-605 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07K1-107 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K38-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K47-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P25-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P3-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07K14-605 |
| filingDate | 2018-10-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109400695-B |
| titleOfInvention | A kind of polypeptide modification method and application |
| abstract | The present invention provides a modification method and application of a polypeptide. The method includes the following steps: (1) introducing X into the N-terminal of the polypeptide to obtain an X-polypeptide; (2) oxidizing the X to an aldehyde group; (3) ) adding a reducing agent, and covalently coupling the oxidized product obtained in step (2) with PEG to obtain a PEG-modified polypeptide; wherein, the X is threonine or serine. In the present invention, a threonine or a serine is introduced into the N-terminus of the polypeptide, and a highly specific oxidation method is used to derivatize the adjacent aminoalcohol structure at the N-terminus of the polypeptide into an aldehyde group, and after covalent coupling with PEG, a single-component PEG is obtained. The modified polypeptide has strong versatility and wide application range, and the modified polypeptide has a simple and convenient separation method, which improves the stability and circulation half-life of the polypeptide. |
| priorityDate | 2018-10-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 186.