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蛋白体系,0-200ps由300K升到320K,随后在320K下模拟,mdp文件如下,运行后出现
ERROR 1 [file npt-nopr-md.mdp, line 31]:
Parameter "tc-grps" doubly defined
请各位帮忙看看哪里出了问题?
integrator = md
dt = 0.002
nsteps = 500000 ; 1000 ps
nstxout = 500
nstvout = 500
nstfout = 500
nstenergy = 500
nstlog = 500
energygrps = Protein Non-Protein
tc-grps = Protein Non-Protein
annealing = single single
annealing_npoints = 2 2
annealing_time = 0 200 0 200
annealing_temp = 300 320 300 320
nstlist = 5
ns-type = Grid
pbc = xyz
rlist = 1.0
coulombtype = PME
pme_order = 4
fourierspacing = 0.16
rcoulomb = 1.0
vdw-type = Cut-off
rvdw = 1.0
Tcoupl = v-rescale
tc-grps = Protein Non-Protein
tau_t = 0.1 0.1
ref_t = 300 300
DispCorr = EnerPres
Pcoupl = Parrinello-Rahman
Pcoupltype = Isotropic
tau_p = 2.0
compressibility = 4.5e-5
ref_p = 1.0
gen_vel = no
constraints = h-bonds
continuation = yes
constraint_algorithm = lincs
lincs_iter = 1
lincs_order = 4
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