模拟退火

先进行能量最小化,再运行以下文件
optimization of alignment tensor; weight bonds and angles heavily
 &cntrl
    imin = 0, irest =0, ntx=1,
    ntc=1, ntf=1,
    ntpr=500, ntwx=500, ntwr=500,
    ntb = 1, cut = 8.0, rgbmax=999.0,
    nstlim = 100000,nscm= 0,
    ntt = 3, gamma_ln=5.0,
    temp0=0,
    nmropt=2, ig=-1,
    dt=0.001, restraintmask=':1-278 & :351-580',      #需要限制的残基编号
    restraint_wt=20.0   #位置限制的权重,数值越大,限制越厉害
 /
#
# Standard simulated annealing protocol 100 ps
#
 &wt type='TEMP0', istep1=0, istep2=20000, value1=0.0, value2=300.0,  /
 &wt type='TEMP0', istep1=20001, istep2=40000, value1=300.0, value2=400.0,  /
 &wt type='TEMP0', istep1=40001, istep2=60000, value1=400.0, value2=400.0,  /
 &wt type='TEMP0', istep1=40001, istep2=80000, value1=400.0, value2=300.0,  /
 &wt type='TEMP0', istep1=80001, istep2=100000, value1=300.0, value2=300.0,  / 
&wt TYPE='END' /