Human P2Y<sub>6</sub> Receptor: Molecular Modeling Leads to the Rational Design of a Novel Agonist Based on a Unique Conformational Preference
作者:Stefano Costanzi、Bhalchandra V. Joshi、Savitri Maddileti、Liaman Mamedova、Maria J. Gonzalez-Moa、Victor E. Marquez、T. Kendall Harden、Kenneth A. Jacobson
DOI:10.1021/jm050911p
日期:2005.12.1
Combining molecular dynamics (MD) in a hydrated phospholipid (DOPC) bilayer, a Monte Carlo search, and synthesis of locked nucleotide analogues, we discovered that the Southern conformation of the ribose is preferred for ligand recognition by the P2Y(6) receptor. 2'-Deoxy-(S)-methanocarbaUDP was found to be a full agonist of the receptor and displayed a 10-fold higher potency than that for the corresponding flexible 2'-deoxyUDP. MD results also suggested a conformational change of the second extracellular loop consequent to agonist binding.