colvarsTrajFrequency        10000
colvarsRestartFrequency     10000

colvar {
name Rg

outputAppliedForce  on

width 0.1
lowerboundary  4.0
upperboundary  11.0
lowerwall  7.0

lowerwallconstant 30000.0
upperwallconstant 30000.0

gyration {
atoms {
atomNumbersRange {1-77}
}
}
}

abf {
  colvars Rg
  fullSamples      10
  hideJacobian
}