摘要 |
PURPOSE: A novel lipid-substance-P conjugate is provided to improve stability in vivo and in vitro. CONSTITUTION: A novel lipid-substance-P conjugate contains lipid which is conjugated at one or more sites of amino acid sequence number 1. The lipid is conjugated at an arginine residue at a first site of amino acid sequence number 1. The lipid is C12-C16 fatty acid. The lipid is palmitate. |