[gmx-users] force field Parameters for DPG

[Olaniyi Yusuff]

Hello,
I am using molecular dynamics simulation to monitor the conformational 
transition of human adult hemoglobin from the deoxy- to the oxy-state  
and  the effect of 2,3-DPG on the binding of oxygen to the hemoglobin 
molecule using gromos force field G43a1 in gromacs.
Please i want to know if any one have the force field parameters the DPG 
or how to about the parametrisation. The formula for DPG is C3H4O10P2