2 ; File 'mdout.mdp' was generated
4 ; On host: mabraham.anu.edu.au
5 ; At date: Tue Aug 11 13:10:51 2009
8 ; VARIOUS PREPROCESSING OPTIONS
9 ; Preprocessor information: use cpp syntax.
10 ; e.g.: -I/home/joe/doe -I/home/mary/hoe
12 ; e.g.: -DI_Want_Cookies -DMe_Too
15 ; RUN CONTROL PARAMETERS
17 ; Start time and timestep in ps
21 ; For exact run continuation or redoing part of a run
22 ; Part index is updated automatically on checkpointing (keeps files separate)
25 ; mode for center of mass motion removal
27 ; number of steps for center of mass motion removal
29 ; group(s) for center of mass motion removal
32 ; LANGEVIN DYNAMICS OPTIONS
33 ; Friction coefficient (amu/ps) and random seed
37 ; ENERGY MINIMIZATION OPTIONS
38 ; Force tolerance and initial step-size
41 ; Max number of iterations in relax_shells
43 ; Step size (ps^2) for minimization of flexible constraints
45 ; Frequency of steepest descents steps when doing CG
49 ; TEST PARTICLE INSERTION OPTIONS
52 ; OUTPUT CONTROL OPTIONS
53 ; Output frequency for coords (x), velocities (v) and forces (f)
57 ; Output frequency for energies to log file and energy file
60 ; Output frequency and precision for xtc file
63 ; This selects the subset of atoms for the xtc file. You can
64 ; select multiple groups. By default all atoms will be written.
66 ; Selection of energy groups
69 ; NEIGHBORSEARCHING PARAMETERS
70 ; nblist update frequency
72 ; ns algorithm (simple or grid)
74 ; Periodic boundary conditions: xyz, no, xy
76 periodic_molecules = no
80 ; OPTIONS FOR ELECTROSTATICS AND VDW
81 ; Method for doing electrostatics
85 ; Relative dielectric constant for the medium and the reaction field
88 ; Method for doing Van der Waals
93 ; Apply long range dispersion corrections for Energy and Pressure
95 ; Extension of the potential lookup tables beyond the cut-off
97 ; Seperate tables between energy group pairs
99 ; Spacing for the PME/PPPM FFT grid
100 fourierspacing = 0.12
101 ; FFT grid size, when a value is 0 fourierspacing will be used
105 ; EWALD/PME/PPPM parameters
112 ; IMPLICIT SOLVENT ALGORITHM
113 implicit_solvent = No
115 ; GENERALIZED BORN ELECTROSTATICS
116 ; Algorithm for calculating Born radii
118 ; Frequency of calculating the Born radii inside rlist
120 ; Cutoff for Born radii calculation; the contribution from atoms
121 ; between rlist and rgbradii is updated every nstlist steps
123 ; Dielectric coefficient of the implicit solvent
124 gb_epsilon_solvent = 80
125 ; Salt concentration in M for Generalized Born models
127 ; Scaling factors used in the OBC GB model. Default values are OBC(II)
131 ; Surface tension (kJ/mol/nm^2) for the SA (nonpolar surface) part of GBSA
132 ; The default value (2.092) corresponds to 0.005 kcal/mol/Angstrom^2.
133 sa_surface_tension = 2.092
135 ; OPTIONS FOR WEAK COUPLING ALGORITHMS
136 ; Temperature coupling
138 ; Groups to couple separately
140 ; Time constant (ps) and reference temperature (K)
145 Pcoupltype = Isotropic
146 ; Time constant (ps), compressibility (1/bar) and reference P (bar)
150 ; Scaling of reference coordinates, No, All or COM
151 refcoord_scaling = No
152 ; Random seed for Andersen thermostat
153 andersen_seed = 815131
155 ; OPTIONS FOR QMMM calculations
157 ; Groups treated Quantum Mechanically
177 ; Scale factor for MM charges
178 MMChargeScaleFactor = 1
179 ; Optimization of QM subsystem
183 ; SIMULATED ANNEALING
184 ; Type of annealing for each temperature group (no/single/periodic)
186 ; Number of time points to use for specifying annealing in each group
188 ; List of times at the annealing points for each group
190 ; Temp. at each annealing point, for each group.
193 ; GENERATE VELOCITIES FOR STARTUP RUN
195 gen_temp = 263.150000
199 constraints = all-bonds
200 ; Type of constraint algorithm
201 constraint-algorithm = Lincs
202 ; Do not constrain the start configuration
204 ; Use successive overrelaxation to reduce the number of shake iterations
206 ; Relative tolerance of shake
208 ; Highest order in the expansion of the constraint coupling matrix
210 ; Number of iterations in the final step of LINCS. 1 is fine for
211 ; normal simulations, but use 2 to conserve energy in NVE runs.
212 ; For energy minimization with constraints it should be 4 to 8.
214 ; Lincs will write a warning to the stderr if in one step a bond
215 ; rotates over more degrees than
217 ; Convert harmonic bonds to morse potentials
220 ; ENERGY GROUP EXCLUSIONS
221 ; Pairs of energy groups for which all non-bonded interactions are excluded
225 ; Number of walls, type, atom types, densities and box-z scale factor for Ewald
234 ; Pull type: no, umbrella, constraint or constant_force
237 ; NMR refinement stuff
238 ; Distance restraints type: No, Simple or Ensemble
240 ; Force weighting of pairs in one distance restraint: Conservative or Equal
241 disre-weighting = Equal
242 ; Use sqrt of the time averaged times the instantaneous violation
246 ; Output frequency for pair distances to energy file
248 ; Orientation restraints: No or Yes
250 ; Orientation restraints force constant and tau for time averaging
254 ; Output frequency for trace(SD) and S to energy file
256 ; Dihedral angle restraints: No or Yes
260 ; Free energy control stuff
268 couple-lambda0 = vdw-q
269 couple-lambda1 = vdw-q
272 ; Non-equilibrium MD stuff
281 ; Format is number of terms (int) and for all terms an amplitude (real)
282 ; and a phase angle (real)
290 ; User defined thingies