! All POPC lipids (check with MSD vs. one Atome selection)
define LOI sele RESN POPC .and. type P* end
coor anal sele LOI end -
firstu @fU nunit @N begin @F skip @SK stop @L -
imsd 21 rspin 0.0 rspout 999.9 ncors @nsteps
!NPgT simulation no PBC setup required